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How to Buy The Best Fish Oil Supplements: Part 1 – Purity

written by Vin Kutty

comments 155 comments

best fish oil supplement

5 Tips for Choosing The Best Fish Oil

Criteria #1: Purity

Purity means having a fish oil pill that is virtually free of Mercury and other heavy metals (Arsenic, Cadmium and Lead), Dioxins, PCBs and Furans.

I’m not going to expand on WHY these chemicals are bad for you. The focus of this article is about how to avoid them so you can choose the best fish oil supplement for you and your family.

Bad news: if you eat Swordfish, Shark, Tilefish or King Mackerel, you will be eating quite a bit of mercury.

Good news: luckily, most fish oils are purified by molecular distillation and this high-tech process removes most of the scary stuff. This is why eating a fish oil supplement is much safer than eating whole fish.

Fish Oils in The News

best fish oil supplements are independently tested recently tested 52 brands of fish oil supplements for mercury. They reported, “The goods news is that every product, fish oil or Omega-3 supplement in this review was found to be free of mercury, PCBs and other contaminants found in

Toxins in Fish Oil: California Lawsuit! says everything is hunky-dory.

But in early 2010, an environmental group sued several fish oil manufacturers for having too much PCBs in their products.

Granted they did not start with the best fish oil supplements, here is a list of alleged offending products:

The products named in the PCB lawsuit are:

  1. GNC Liquid Norwegian Cod Liver Oil
  2. Nature Made Cod Liver Oil
  3. Nature Made Odorless Fish Oil
  4. Now Foods Double Strength Cod Liver Oil
  5. Now Foods Salmon Oil
  6. Now Foods Shark Liver Oil
  7. Solgar 100% Pure Norwegian Shark Liver Oil Complex
  8. Solgar Norwegian Cod Liver Oil
  9. Twinlab Emulsified Norwegian Cod Liver Oil
  10. Twinlab Norwegian Cod Liver Oil

Notice a pattern?
best fish oil supplements
Most are Cod liver oils and Shark liver oils. And one Salmon oil thrown in for diversity.

Does anyone (other than me) think it’s ironic that a product named ‘Solgar 100% Pure Norwegian Shark Liver Oil’ is, well, on this list?


What the heck are people doing eating Shark liver oils, anyway?!
Sharks are top predators! Every time they eat another fish or seal, they add a little more mercury to their livers. The higher up on the food chain a fish is, the more environmental junk its body and liver will carry.

Just stay away from Shark oil and Seal oil, please!

Cod liver oil is better than shark’s but Cod are big fish too. And they live for a long time. This gives them plenty of time and opportunity to bulk up on environmental toxins.

The Best Fish Oil Supplements are Made from a few species of fish

Regular fish oil pills are made from anchovy, hoki, whiting, pollock, menhaden, mackerel and sardine. These small fish don’t live for very long. So they don’t get a chance to soak up toxins.

If you can buy fish oil made from anchovy and sardines, there is no reason to buy Shark, Cod or even Salmon oils.

When it comes to fish oils, remember, lower on the food chain the better.

By now, you may be thinking, if the PCB lawsuit had never happened, how would people have known that there was PCB in some of those fish oil brands?

Why don’t Manufacturers Share More Information?

best fish oil supplements

Because they don’t have to.

Manufacturers are not required to say how much mercury is in their pills. So they don’t.

Same goes for PCBs, Dioxins, Furans and the other heavy metals.

The FDA started a ‘Read The Label First’ campaign.

A pointless campaign, in my opinion.

Because there is no way to know if there is any mercury or PCBs by looking at the bottle label. Some of the products called out in the California lawsuit mentioned ‘No Mercury’ on the label!

What’s a consumer to do?

5 Tips for Choosing the Best Fish Oil Supplement

  1. Ask for a Certificate of Analysis
  2. Buy Products that are 3rd Party Tested
  3. Buy Products made from the types of fish mentioned above
  4. Buy Ultra-concentrated Fish Oil

1. Ask For a Certificate of Analysis

This is an official document on a letterhead, with signatures etc., that tells in detail what’s in the fish oil and what’s not. Ask for the ‘Certificate of Analysis’ of your fish oil. Look for the lot number on the side of your fish oil bottle, call up the manufacturer and have them fax or email it to you.

Some will do this. Most won’t.

If they try to get rid of you by giving you a pat answer like, ‘Our product complies with all quality specifications and regulations,’ then it’s time for you to move on to another brand.

2. Buy Only 3rd Party Tested Products

Or you can go to IFOS (International Fish Oil Standards) website. IFOS is a third-party testing organization. They test fish oil supplements and publish a detailed analysis of the results on their website for the public to view.

IFOS logo

International Fish Oil Standards

A product can receive up to five stars based on passing five different categories of purity.

1 Star for Oxidation Level Less Than 75% of CRN Standard
1 Star for PCB Levels Less Than 50% of CRN Standard
1 Star for Dioxin Levels Less Than 50% of WHO Standard
1 Star for Passing All CRN/WHO Testing Categories
1 Star for Greater Than 60% Omega-3 Concentration

IFOS is not the only testing authority around.

Consumer Reports, and test fish oil products as well, but they don’t test regularly and their results are not publicly available. They test fish oils every couple of years and they only test a fraction of the available brands of fish oil.

There are probably a few brands of fish oil that are not IFOS tested but could probably pass with 5 stars. But IFOS testing is expensive so many brands opt out.
For now, an IFOS 5-star rated fish oil is the simplest way for anyone to feel confident that they are getting the purest and best fish oil supplement available.

3. Buy Fish Oil Made from the fish listed above

As mentioned above, these are small or juvenile. And they are short-lived, so they don’t accumulate much toxins in their bodies.

Algae oil is an excellent choice for purity as well, but that’s another blog for another day.

4. Buy Only Ultra-concentrated Fish Oil

We’ve talked about this several times before on these blogs. In short, producing a Ultra-concentrated fish oil with a very high level of Omega-3 requires repeated distillation and purification. This makes the oil stronger, purer and yes, more expensive.

But it’s a simple way to make sure you’re getting the purest and best fish oil supplement.


In Part 2, we’ll discuss the second most important criteria for choosing the best fish oil supplement: Omega-3 content.



Join the conversation

  1. With many fish oil brands in the market today, it’s hard to make choices. Thanks for this helpful guide.

    • Hello, I would like to ask You what is your opinion about Nor-oil products, because in Hungary I think this is a good choice to use it.

      Thank your answer.

      • Hi Kate – Nor-oil is not available here in the US, so I am not very familiar with it, but from what I see on their website, it looks OK.

    • Hi Dave – our fish oil is molecularly distilled. Vegetable oils and seed oils are cold pressed, like olive oil. Fish oil is not cold pressed. Sure, some fish oils are processed with low temperature CO2 extraction or HPLC. But there is no cold-pressing involved. Of the several steps involved in manufacturing fish oil, rendering and molecular distillation require heat. The refining, deodorization and cold-filtering steps are, well, cold. So when I hear that fish oil is ‘cold-pressed’ I laugh a little.

      As for toxins, our product is very extensively tested for toxins. It is tested at IFOS labs and results summary can be seen here:

      Hope this helps.
      – Vin

  2. Many brands of fish oil are a complete waste of money, and provide you with no benefits what so ever. Some things in life are worth paying that little bit extra for, especially when it comes to your health.

    The benefits of fish oil, take a few weeks before you will notice, or feel a difference.

    The best fish oil supplements should contain high levels of eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA), providing you with the best omega 3 fish oil.

    When buying fish oil, the amount of EPA and DHA, should be on the label, and the recommended amount should not be high. Some brands will recommend taking upto 8 a day.

  3. Hi Vin,
    I am in India and I dont know which fish oil is best available here. Can you help. Much appreciated. Thanks

    • Hi Andy – I don’t know much about the availability of Omega-3 supplements in India. Sorry! But hopefully you’ll be able to buy OmegaVia in India in the next couple of years! 🙂
      – Vin

    • Hello Andy,

      In India, you will get plenty of fish oil brands. I have been using Twinlab and its pretty good!

      Good health

  4. “The best fish oil supplements are always made from anchovies, sardines and mackerel. All three are tiny, algae-eating fish.”

    How do you know what ones are made with these fish? Is it posted on the labels?

    • Hi Temple – actually, we’ve changed our position on this statement a little bit. Let me explain. Fish oil made from anchovy, sardine and mackerel is still great, but there are oils from other fish species like Hoki, Whiting and Alaskan Pollock that are just as good. But we’re still not impressed with oils from large fish like Salmon and Tuna because they tend to have more environmental toxins.

      To answer your question, the best solution is to call up the company that’s selling the product and ask them. Most good companies will know exactly what’s in their product. If they don’t know, that should be a red flag. FDA regulations do not require the species of fish to be mentioned on the label. If the label mentions it, it is just as a courtesy to consumers. Hope this helps.
      – Vin Kutty

    • Hi Lili – we do not have any products for kids at the moment. A smaller pill and something for kids are our two most common requests. And the requests are not going unheard – it’s just that developing a new product can take well over a year. As far as recommendations, I suggest something by Nordic Naturals or Barleans. Nordic has gummy worms and chewable softgels. Barleans has fruit smoothie-type products that kids can take by the spoonful. There is also a product called Brain Strong that’s sold in CVS and other drug stores – it is an Omega-3 powder that you can pour into kid’s foods. Hope this helps.
      – Vin Kutty

  5. Hi, my wife is 4 months pregnant and is having Nature’s Bounty Salmon Fish Oil capsule. How do you rate it? is it safe? It mentions that it’s mercury free..Please sugegst.

    • Hi Anil – first, congrats! Taking Salmon oil during pregnancy is fine. It’s better than what most people do. Ideally, I’d like to see pregnant women take an additional DHA supplement and a Vitamin D3 supplement. Aim for at least 500 mg of DHA, especially during the third trimester and a minimum of 2000 IU of Vitamin D3.
      – Vin Kutty

  6. Hi Joe – if you want to lower triglycerides, you need to pay attention to how much Omega-3 you are consuming. The number of pills is not very useful because it’s hard to say how much Omega-3 each pill has without studying the label.

    You will need 3000 mg of Omega-3 per day when combined with a healthy diet and exercise plan to make a sizable dent in your triglyceride levels. You’ll have to do some basic math to figure out how many pills are needed to get that dose. If each pill has 300 mg of Omega-3, then you will need 10 pills a day. Likewise, if your pill has 600 mg of Omega-3, you need 5 pills. This is where having pharmaceutical grade fish oil helps – it helps reduce the number of pills needed to get benefits. Hope this helps.

  7. I’ve spent quite a lot of time reading here and I’ve found your articles very helpful! Kudos to you!

    I’m currently taking OmegaBrite ( and I am thinking of switching to OmegaVia. As listed below, I currently need to take 2-3 pills to equal the amount if EPA and DHA in one OmegaVia pill. Though I like that they are smaller pills, it’d be nice to take fewer. However, is there any benefit to spreading the dose out more? Otherwise, could you provide your opinion on how they compare?

    Thank you for your time!!!

    3 capsules=
    1050mg EPA
    150mg DHA
    150mg Other Omega-3’s
    60mg Omega 6
    85mg Other Fatty Acids

    • Hi Rusti – glad you like the information on our website. Spreading the dose across several hours or meals does not appear to show any benefit over taking it all at once. I think what’s more important is to take the Omega-3 with your biggest meal. The other fats present in your food helps increase absorption. OmegaBrite is a good product. It has a higher EPA to DHA ratio (7:1) than OmegaVia, which has a 3:1 ratio. Other than that, the pill size is the biggest difference and OmegaBrite is not enteric coated, while OmegaVia is. When we get calls from consumer who have trouble swallowing OmegaVia, we usually send them to OmegaBrite. Psst – don’t tell anyone but we are working on an OmegaVia Mini.
      – Vin Kutty

    • Hi Rusti – the ratio of EPA to DHA is very important. If you’re under the age of 3, DHA is critical. If you’re pregnant, you need a high-DHA formula. Same if you are recovering from stroke or trauma. Your body needs a small amount of DHA every day. So one size does not fit all. Only you know what your health needs are – you will have to figure out if you need a high DHA or high EPA fish oil. Hope this helps.

  8. Bad news: if you eat Swordfish, Shark, Tilefish or King Mackerel, you will be eating quite a bit of mercury.
    Good news: luckily, most fish oils are purified by molecular distillation and this high-tech process removes most of the scary stuff. This is why eating a fish oil supplement is much safer than eating whole fish.

  9. excerpts from this website
    “Bad news: if you eat Swordfish, Shark, Tilefish or King Mackerel, you will be eating quite a bit of mercury.”

    “The best fish oil supplements are always made from anchovies, sardines, hoki, whiting, pollock and mackerel.”

    i’m confused about Mackerel. can you explain why its included in both of these quotes?


    • Hi Mike – they are two very different species. The mackerel from Peru that’s frequently used in fish oil, is a small Pacific ocean fish, Trachurus murphyi, that could weight a pound or two at most. King Mackerel is a very large fish, Scomberomorus cavalla, that can get to 80 or 90 lbs. King Mackerel is found along the east coast of the US.
      – Vin Kutty

  10. I’ve been spending “extra money” on New Chapter’s Salmon oil for like 2 years now. They, in their magazine ad, claimed that theirs is a superior fish oil because most fish oils go through too many purification processes, thereby rendering less-helpful caplets. Have I been taken to the cleaners? What’s wrong with Salmon oil?

    • Hi Stephen – I wouldn’t say you’ve been taken to the cleaners because you’ve been taking good salmon oil and it has Omega-3 in it. And New Chapter is a fairly good company (owned by the folks who make Tide and Charmin.) Certainly you’ve benefited from their product. But may be you’ve been a victim of iffy marketing – raise concerns about a competitor’s product while removing that fear in yours.

      Getting Omega-3 from a fish into a capsule requires processing. Period. No getting around that. Sometimes, processing is good because it removes mercury, arsenic, non-Omega-3 fats etc. Processing keep the stuff you want and gets rid of the stuff you don’t. If that’s bad, well, then I suggest these people stick to eating sushi and pass on fish oil pills.

      You can buy minimally processed salmon oil and that was goes into your product. Remember, salmon is a large fish that lives for several years – this is a lot of time for it to accumulate toxins. This is why Nordic Naturals openly says that their salmon oil is low in arsenic, unlike other salmon oils. Salmon oils need to be put through an additional process to remove arsenic. It’s additional processing, but it is processing nonetheless. Is that bad? I don’t think so. If you like salmon oil, I suggest you get Nordic’s Kenai salmon oil:™_Alaskan_Salmon_Oil/510 They talk about their gentle process of removing arsenic on the site. We do the same thing to OmegaVia – it is a proprietary and heat-free product. Very gentle and removes virtually all the arsenic.

      Hope this helps.
      – Vin Kutty

  11. Are the women’s one a day prenatal dha vitamins good to take during pregnancy? Are they safe? I am a vegetarian so I don’t get enough omega 3’s and want to make sure this is a good vitamin!

    • Hi Alison – yes, they are safe and necessary. And you should take them. It’s just that prenatal vitamins don’t have enough DHA. Well, may be enough for the first trimester. But EVERY SINGLE prenatal + DHA supplement I’ve seen has too little DHA and Vitamin D for the second and third trimesters. You should aim for 1000 mg DHA per day for your third trimester. Anything less is depriving your baby of proper development. There are lots of vegetarian DHA softgels. Get them!
      – Vin Kutty

  12. very helpful info here….thanks! it surely is confusing to decide which fish oil to take. consumer lab charges for this info. i won’t mind paying a small fee for a one week access to their reports, but having to become a member for an entire year….? i don’t like it.

    wonder if any one else here agrees with me….

    • Hi bpaul- yes, consumerlab dot com charges for the info. And IFOS does the same thing without charging you for it. Here is a list of their ‘Ultra-Refined’ product test results:

      We (and several others) agree with you. Consumerlab tests fish oil every couple of years or so. OmegaVia will probably be listed in it next time.
      – Vin Kutty

  13. Hi there,
    I am pregnant and a pescatarian. I will eat fish but do not eat meat(no gelatin capsules) can you recommend a product for me? Thanks!

    • Hi James – Omega-3 alone will not get rid of acne. But it will redness in your skin. I strongly urge you to look into a paleo diet. If you get rid of sugar, dairy, vegetable oils and grains from your diet, acne will magically disappear. If you’re thinking ‘well, what will I eat if I get rid of all those things?’ then you know the answer to why you have acne. Once you’re on a paleo diet, take 1000 mg Omega-3 per day. Give this regimen 6 weeks and see what happens. Be sure to take before and after photos. You may be shocked.

    • Hi Jay – you can feed pollock meat to dogs, certainly! And fish oil supplements made from pollock, like OmegaVia, are also fine.
      – Vin Kutty

  14. Hi there,

    Can you tell me how much fish oil is one softgel? I discerned that is 1500mg. That’s a pretty honking big softgel, no?


    • Hi Allen – it is 1300 mg. Still big. Does Shaklee offer a product with similar levels of Omega-3?

      – Vin Kutty

  15. Will you test pure fish oils for contaminants — oils that are not chemically processsed–such as New Chapter Wholemega Wild Alaskan Salmon Oil. If so, how much are you charging consumers for this service?

    • Hi Cheryl – we do not offer testing services. There are several labs that do these tests. They usually cost a few hundred dollars. It may be easier if you contact your fish oil manufacturer and ask them for a third-party certificate of analysis or even an internal certificate of analysis.

      – Vin Kutty

        • Hi Skesh – yes, it is a good product, but quite weak. You’ll need 4 to 6 pills a day for general maintenance and about a dozen pills a day if you’re trying to lower triglycerides or chronic inflammation.

    • Hi Lisa – no, fish oil will not help you gain weight. It will make you healthier, but not fatter.

      – Vin Kutty

  16. Hi Bhupendra – I am not familiar with fish oil brands in India. But for RA, the required doses are 5000 to 7000 mg of Omega-3 per day. I’m guessing that’s between 16 and 20 pills per day. She’s better off dropping wheat and vegetable oils from her diet.

    – Vin Kutty

  17. I hope you can help me. My surgeon told me to start taking 4 fish oil pills a day. 2 am & 2 pm to help my bowels. I was in a really bad accident and had a lot of internal damage causing ongoing problems. Could you please give me a name of manufacturer with specifics of what to buy. He told me some types cause really bad odor. I don’t need that on top of all my other problems. Lol. I can’t afford the prescription one. Please help me & make it easy for me to go ask for a specific kind, pay & go. I’m not lazy, I have a hard time reading little letters and concentrating since my accident. I’m blessed to be alive! 🙂 thank you for your help!!

    • Hi Michelle – you ought to be OK with most high concentrates. Look for the words – pharmaceutical grade fish oils. You should not have odor issues if you go with high quality products.

      – Vin Kutty

  18. Hi there! I hope you can help me.

    I have been trying to find a good source of omega 3 for sometime now because frankly, I just don’t like eating fish!

    I recently tried Nordic Naturals, which I read were very good and low in toxins. I had some kind of reaction (hives) and I’m hoping it is just to the type of fish. It has anchovy and sardines.

    Do you think it would be safe to try a brand that uses a different fish? If so, is there a good one you can recommend?



    • Hi Amanda,

      If you take the Nordic Naturals product and gets hives every single time, then you can firmly rule it out. But if you only got it once, it may have been something else that you ate and could be coincidental. Nordic makes a good products. My guess is that you may have had histamine overload, but you’ll have to get a specialist’s diagnosis on that. Don’t know. If you’re not allergic to fish, I doubt that switching to another brand will help. If you ARE allergic to fish, then you should switch to algae Omega-3 products.

      – Vin Kutty

  19. I have recently been told I have a high amount of Triglycerides and I would like to know the best contentrated Omega fish oil tablet/liquid to take to have the maximum effect of reducing my high count without taking 9-12 of the normal ones lol?

    Thanks in advance 🙂


  20. Hi, I got interested in your information and seems very valuable. I had a bypass surgery (age 50) and I am allergic to Iodine (break out in hives) . I think I am alergic to fish oil also. Do you think so too? If so which omega 3 I should be taking? I was taking flex seed oil (from whole foods – bar leans brand) and it was ok. Any thoughts? Please advise? thanks

    • Hi Priti – I have no way of knowing if you’re allergic to fish or fish oil. Many people who are allergic to fish are not allergic to fish oil because the allergen proteins are usually removed from the oil. But it is not right to assume that if you are allergic to iodine that you are also allergic to fish. If you find out that you are, after all, allergic to fish oil, then, I’d recommend algae oils, not flaxseed oils.

      – Vin Kutty

  21. I need your help, my doc. just told me that I need to take fish oil (2mg a day) after I saw this e-mail I got confused and discourage to get anything. My best friend is taken GNC, and she likes it. Should I take the same? I am very skeptic to take any lab meds in fact I refuse to, But as I am on my 50ties and family heart problems I need your guidence on this, please

    • Hi Tina – listen to your doctor. He/she probably meant 2 grams. And that’s just how doctors talk. 2 grams (same as 2000 mg) of Omega-3 is a good dose. I would suggest you take any product that has 1000 mg or more Omega-3 per pill. Note that this is different from 1000 mg of fish oil.

      – Vin Kutty

  22. Hi,
    My son and I have taken Carlson fish oil(Omega3’s DHA &EPA) for over 5 years. It’s the liquid form in a bottle. Is this a good brand? My son just turn 6 this month, should I change to a better brand of fish oil?
    Thanks very much!

    • Hi Yvonne – yes, it is perfectly fine. There are slightly better products, but there is no reason to change if you are happy with the product.

      – Vin Kutty

  23. Hi Vin,i read most of your comments and got a question to ask you.
    Do you suggest diabetes to take fish oil?If so what ratio of EPA:DHA is better idea to pick?

    • Hi Andeeyu – yes. But the science on Omega-3 and insulin management is still emerging, so I don’t know if there is an ideal EPA/DHA ratio. I’d say just take 1000 mg of Omega-3 per day.

      But we’re really side-stepping the main issue here – no pills, be it Omega-3, chromium or alpha lipoic is going to help you as much as eliminating sugar and grains from your diet. If you were only recently diagnosed as diabetic, you still have about half of your pancreatic beta cells left (the rest are gone for good) so go easy on your remaining beta cells by eating less (or no) sugar and grains.

  24. Hi Vin,i read most of your comments and got a question to ask you.
    Do you suggest diabetes to take fish oil?If so what ratio of EPA:DHA is better idea to pick?

  25. Hello I was recommended to take fish oil pills to bring my HDL’s up but I’m not sure what I’m looking for in these pills. I’m not a fan of fish and don’t want to take a pill that will make me sick, Please help!!!

    • Hi Mika – Omega-3 will not increase your HDL that much. Exercise will. Omega-3 will decrease your triglycerides. Fish oil will not make you sick unless you are allergic to fish or fish oil.

  26. Is it true that Fish oil supplements helps burn fat and supplies essential fatty acids to the body? Would it help also to keep the skin oily? i suffer from psoriasis also.

    • Hi Nush – fish oil can help optimize energy expenditure and yes, fish oil contains a lot of essential fatty acids. 2000 mg of Omega-3 per day can help keep skin supple and may help with psoriasis.

  27. Your blog is wonderful and thank you for this information. I have high cholesterol inherited from my mom. Without going into my strict nutrition and workout plan — all of that is in order. I am going to a good family physician that is willing to allow me to try and reduce through natural means. Knowing my nutrition is in order, he suggested ramping up my fish oil intake. I am not real familiar with all the brands, but I do take the MDR fitness tabs and have had fabulous results with my energy level. I also take the Pristinium with Omega 3’s and Delta E (tocotrienols). My question is the Pristinium a good product from what you know? Has Norwegian Salmon Oil 600 mg, EPA 180 mg, DHA 120 mg, ALA 4.6 mg, DPA 34.4 mg, extra virgin oil 100 mg, peppermint oil 1 mg, Vit A 100 IU, Vit C 20 mg and Vit E 15 IU — for each softgel. I take 4 a day. I only take 2 of the Tocotrienol 125 mg a day. I’ll be retested again in a few months. My good chol is just fine —- it’s the bad chol that is not good.

    • Hi Sharon – your Omega-3 product is OK. Not great, not bad, just OK. It is way overpriced for having just 50% Omega-3. If you want to stay with a similar product, you may want to move to Nordic Naturals Ultimate Omega. But glad to see that you’re taking 4 per day, so you’re getting enough Omega-3 for day-to-day needs.

      It is not true that fish oils reduce cholesterol or LDL (‘bad’) cholesterol. A combination of 3000 mg of Omega-3 daily with a healthy diet and exercise plan can help maintain healthy triglyceride and support healthy inflammation response, which are both important your heart. More here:

      For LDL levels, have your doctor check out your thyroid levels. Also, reduce carbs and talk to an integrative practitioner about healing your gut – start with wheat/gluten and fructose elimination.

  28. The below article tells, it is harm to use fish oil.
    Can you let us know, whether their studies are for perticularly related to the people who consumed 0mega 6 and omega 3 together? or only taking only omga-3 also? I believe still we can use fish oil for depression and reducing triglycerides. Please tell your comments on this. Also for chronic depression how much quantity omega-3 and EPA, DAP needs to be taken per day.

    Thanks in advance,

    Fish-oil supplements may do more harm than good, UBC researcher finds

    Read more:

    • Hi Kamesh – if you’ve been reading this blog, you’ll know that I repeatedly drill the reduce-Omega-6-consumption message into our readers. No clue if anyone is listening and making that dietary change. But the whole point is: you cannot make big, significant improvements in health by JUST taking Omega-3 supplements. You will notice improvements in symptoms of Omega-3 deficiency related chronic issues by taking Omega-3 supplement. But TRUE improvements in health require reducing Omega-6 as well.

      As far as the study you mention, the study was on mice, not humans. Also, this sentence explains why the noticed the results they did: ‘Fish oil supplements fed to mice already on a diet rich in vegetable oil interfered with the ability of cells in the gastrointestinal system to repair themselves…’

      Also, note that this is just one study. There are almost 25,000 other Omega-3 studies that highlight the positive aspects of adequate Omega-3 consumption. Let’s keep things in perspective. If you let mass media interpret science, you will be in a constant state of confusion and panic because of headlines designed to sell, rather than inform.

  29. Iam taking Puritans pride Omega 3 (fish oil) supplements (1000mg), Is it certified brand? Can I continue take this? please comment on this.

    • Hi Simran – if you mean IFOS certified, no. They may have other certifications that I’m not aware of.

  30. My wife takes a fish oil but the taste of her mouth when kissing and breath is very bad. Is there a brand or type you recommend that doesn’t have these side effects?

  31. Most recent research says that a fish oil capsule/ gel, containing 1000 mg DHA helps in reducing inflammation of stomach/intestine and pain signals to brain are drastically reduced. It also helps specific brain area which transmit pain signals, or damaged brain area causing neuralgic pains.
    If you can suggest a source of any product which contains required DHA level and is affordable, please mail the information.

  32. Hi, Vin, My doctor told me to take fish oil and to be sure its mercury free. My triglycerides were 1385 the last time they checked (yes, that is four digits). I have a bottle of Mega Red and Nature Made. Neither indicate that they are mercury free. I’ve tried contacting the companies but no reply. I cannot tolerate Lovaza. I have a bottle of that too! Do you know anything about the mercury content of the two above? I’d like to use these up before buying more but not if they have mercury. Thanks for your help.

    • Hi Connie – I don’t know what the mercury levels of those products are. No way to know for sure without checking the certificate of analysis. However, I have not seen mercury issues in fish or krill oil in several years. Modern technology virtually removes all traces of it.

      Having said that, with a triglyceride of 1385, I’m not sure what you’re doing taking the low-potency stuff. If you take MegaRed, make sure you take 10-12 pills a day – that’s the dosage you need to notice a benefit. Oh, you’ll need to treat sugar, sweets, soda, juice, refined grains and all wheat products like poison. You need to start doing that when your triglycerides go above 200. Definitely above 500. At 1300 plus, you need to see a lipidologist immediately and follow a low-carb diet like it is your religion. If I were you, I’d go to at least 2 or 3 lipidologists to get second opinions.

      People with incredibly high triglycerides do not react to low-fat diets, but only low-carb diets. Don’t waste time! More here:

  33. Hi, I am a little confused with soo many products online. Could you suggest me one best product with perfect dosage of Vit A, D, and Omega 3 Fish Oil.

    • Hi Aditya – such a product does not exist. And it will not! Because what’s perfect for you depends on how much A, D and Omega-3 you already get in your diet. D, of course, is sun-exposure dependent. So each person starts at a different place. Formulating for your specific need means it may be too little or too much for someone else. That’s why we do not add these other nutrients to our Omega-3.

  34. Your blog is very informative, thank you very much. I had miscarriage in 7th week due to severe vitamin D deficiency, i am taking now 6000 IU weekly one tablet. Planning to take fish oil tablet. I am confused there are many brands, kindly let me know which brand tablet should i take and how many to increase my vit D level.

    • Hi Reema – I’m very sorry for your loss.

      If you are severely Vitamin D deficient, 6000 IU of Vitamin D3 per week is not enough. At this level, you will remain somewhat deficient. I am very surprised that your doctor did not put you on 50,000 IU per week. I take 5000 IU per day. Vitamin D takes a while to get back to normal levels. So if I were you, I’d take 6000 IU per day for 2 weeks and then combine with at least 30 minutes of mid-day sun exposure to as much bare skin as is socially acceptable. Brand of Vitamin D does not matter. What matters is the dosage and that you are taking D3 and not D2.

  35. Hello, I have heard that Cod Liver Oil is better quality oil than just regular Fish Oils found at health food stores. Is one better than another? Thanks Bud

  36. hi…….which would you suggest Omegavia , minami platinum nutrition (if I can find it) ….or some other, for a 77 year old whose main concerns are macular eye health and the need for mental alertness….whatever you mention, how many a day would you suggest……thanks…greatly appreciate your help…..

  37. Hi..I’m so thankful for your information. I need your favour, can you suggest the best dosage of EPA & DHA for my kids aged 21 months(boy) and 5 years old(girl). And also your opinion about fish on these brands… SHAKLEE, NUTRILITE, ELKEN (these company always say that their product is the best and sometimes makes me difficult to choose one). I just need the most pure and contamination/mercury free fish oil. Or you may suggest me the best brands for my kids. I live in Malaysia. Thanks in advance for your future advise.


    • Hi Isylvia – the 21 month old will be find with about 100 to 200 mg Omega-3 per day, mostly as DHA. Look at one of the Nordic naturals or Barleans liquid or flavored products. The 5 year old should be find with 300 to 500 mg or so. The brands you mention are all good, but overpriced due to them being network marketing companies. Yes, everyone says their product is the best. Have you every heard otherwise? We say the same thing! You need IFOS report to prove it.

  38. Hi Vin,

    In one of your replies above, you stated: in healing your gut – start with wheat/gluten and fructose elimination.

    Here’s my understanding: fructose is processed in the liver and when too much sugar enters the liver, it can’t be processed fast enough for the body to use. And since the liver can’t differentiate between the sources of the sugar (from sweets/sodas or fruits/veggies), it starts making fats from the sugar and releasing them into the bloodstream as triglycerides.

    Can you quantify how much sugar is too much at one time ? This is more an issue of quantity vs. quality correct ?

    I make smoothies with mixed fruits, strawberries, peaches, pineapples and mangoes (1/2 cup has 40 calories, 6 gr sugar, 8 gr carbs), a medium banana (105 calories, 15 gr sugar, 27 gr carbs). This makes about 8 oz.

    Is this too much sugar ?

    If I were to sip it over a longer period of time, say in an hour, instead of gulping it down all at once, will the gradual introduction of sugar allows the body to use it up and it won’t end up in the liver ?



    • Hi DPK – I don’t know how much sugar is too much at one time. It depends on your body, its ability to process sugar, your level of insulin resistance etc. My wife can handle sugars. My triglycerides go up if I even look at a fruit salad or drive by Jamba Juice. But if you want a general rule, go with this: as much sugar as you can eat and still keep your blood glucose under 120. Yes, you will need a blood sugar test kit from the drug store.

      If I took your smoothie, I would be in trouble. You? I dont know. You’d have to measure your blood sugar an hour and 2 hours after smoothie. DO you get happy right after smoothie? Do you go into smoothie stupor/coma 2-3 hours later and then get hungry 3 hours later? If yes to any of the above, then, yes, probably too much sugar.

      Sip vs gulp – may be a tiny little bit better strategy.

  39. Thanks for your previous reply. I have another question since I got confuse about fish oil weight in each capsule…for example 1000mg fish oil with 180 DHA , 90 EPA etc. What does it exactly mean?. Thank you.

    • Hi Sylvia – the 1000 mg of of fish oil is referring to the amount of oil. Fish oil contains some Omega-3. Just like milk contains calcium. In your case, each 1000 mg pill contains only 180 mg of EPA Omega-3 and 90 mg of DHA Omega-3. That adds up to 270 mg total Omega-3 in 1000 mg of oil. Highly concentrated fish oils can contain 500 mg or 750 mg or in the case of pharmaceutical grade fish oils, you can have as much as 900 mg of Omega-3 in 1000 mg of oil. You’re only after the Omega-3, so the other stuff is just fat. This is why I recommend more concentrated stuff.

    • Hi Shyam – that’s the wrong question to ask. The right question is: am I feeding my child a nutrient-dense diet that’s free of sugar and processed foods? Am I giving my child enough vegetables, eggs, meats, seafood, fruits and nuts? Reduce grains and increase vegetables and meats. If you’ve done all of the above, then, it’s OK to think about supplements to make up for an occasional lapse.

  40. Hi Jim – not sure we agree on everything. Cod liver oil contains Omega-3, vitamins A and D. So it is good for you. I prefer to get my Omega-3 from fish and fish oil supplements. Orange juice is not good for you – get your Vitamin C and minerals from whole fruits and vegetables instead. Omega-3 reduces inflammation in the joints, but does nothing for adding moisture or preventing drying of the joints. Besides regular wear and tear, arthritic pain is caused by inflammation caused by excess Omega-6 and sugar (think orange juice!)

    I am not a fan of cod liver oil. I explain why here: But if you want a good liquid fish oil, I suggest getting Nordic Naturals.

  41. Hi Vin,

    I get ovarian cancer 2 stage with the fourth chemotherapy now after big surgery, with removing two ovaries and uterus . Can I take the Fish Oil. If so, which one is the best. I am 44 years old. Please help out

    thanks a lots


    • Hi Julie – sorry to hear that you’ve had to endure this.

      In part 2 of this blog, you have some great options. Any of those would be fine.

  42. If I am trying to lower my FSH, what kind of fish oil should I get and how many mg of DHA, EPA. And should I look for no mercury. I just got new fish oil by natural factors Rx Omega-3 Factors, Pharmaceutical Grade Fish Oil,
    DHA 200mg
    EPA 400mg
    Omega-3 fatty Acids 630mg
    Pharmaceutical Grade Fish Oil concentrate 1170mg
    (molecularly distilled, ultra purified)
    (anchovy, sardine and/or mackerel)
    I don’t know if it any good for me

    Thank you

    • Hi Granit – the product you’re taking is perfectly fine. I dont know how much impact it will have on FSH, but it will make you healthier with it than without.

  43. Hi,

    What quantity of EPA and DHA in mg each should an adult male of 70kgs, 5’11” height consume per day?


    • Hi Hiten – that depends on your diet and health. But as as rough guide, 1000 mg of Omega-3 as EPA + DHA is a good target. People with poor diets and/or chronic health issues may need twice or three times as much.

  44. hi Vin,
    My son is suffering from AUTISM and has just turned 5. I am exploring giving fish oil supplements to him because recent researches suggest a reduction in autistic traits with OMEGA-3 supplementation. It is now widely believed that these children as such have starving brains and their systems are low in essential nutrients specially those responsible for normal brain functioning. ( whats your opinion on this?)
    I would be grateful if you could kindly advice me on the most suitable brand and dosage for my son who is borderline autistic and very high functioning.

    • Hi Shalini – we don’t fully understand what causes autism or whether Omega-3 has any role in its development or management. Having said that, it is certainly a good idea to make sure that every child, autistic or otherwise, gets enough Omega-3 from foods or supplements…preferably thru foods. Aim for 300 to 500 mg of Omega-3 per day. There are LOTS of choices for kids: Otherwise, good old fashioned eggs, more vegetables, less grains, very little or no sugar, lots of mid-day full-body sun exposure and play for Vitamin D will all make kids healthier.

  45. Thanks for the advice on my previous question about solgar very help thanks.
    On the same product solgar pure wild Alaskan sockeye salmon oil full spectrum omega, How much do you recommend I take for joint pains etc….your opinion would be very helpful. Thanks.

  46. Hi, Vin,
    I know you wrote this four years ago, but I thought I’d check out the whole shark liver oil thing since you asked “What the heck are people doing eating Shark liver oils, anyway?!” I thought I’d find out for myself. It’s a good question. Turns out, it ain’t for omega-3, that’s for sure.

    Apparently, shark Liver Oil contains compounds called alkylglycerols that are found naturally in bone marrow, spleen, and human breast milk. Alkylglycerols are involved in white blood cell formation to support immune function. So, some people, apparently quite successfully, take this oil for upping their white blood cell count due to diseases like cancer. But I hope there is something better that these folks could take for such conditions.

    All this being said, I’m not promoting shark oil for anyone or would take it myself; just not appealing. I’m not a big “liver lover” in general, shark, beef, chicken or otherwise, as the liver is such a parking lot for toxins. Plus, and perhaps most importantly, we need to give the sharks a break. This is just not a sustainable source of oil, no matter how “special” it is. Many species are endangered. I noticed that Amazon does not sell it (and they’ll usually sell anything), nor does Whole Foods.

    But it IS interesting and holds a very long tradition in Norway. That and the ubiquitous cod liver oil.

    • Hi PJ – yes, there are a lot of people who consume sharks because of the ‘they never get cancer’ notion. I think the science behind it is questionable at best. Even if true, eating the liver of a top predator is a bad idea. Aside from that, liver of animals that have grazed on clean, green grass is amazingly healthy – it is the closest thing to a multivitamin in nature.

        • The trick to eating liver for non-liver-eaters is: disguise. I chop/blend/grind and cook it with lots and lots of onion, garlic and olive oil. Or I mix it with ground beef and spices and make burgers.

          • (Gulp) I think I’ll just take a handful of really strong vitamins and a slab of wild salmon, and call it a day….lol. But thanks! 🙂

  47. Hi Jennifer – the evidence that triglyceride is much more easily incorporated and absorbed by our bodies only holds water if you:

    1) compare the two on a short term basis. If you plan on taking fish oils (regardless of forms) regularly and for the long term, the differences are barely noticeable.

    2) compare both products when taken on empty stomach. You should take most supplements with your meals. If you take ethyl ester forms with a meal, the difference is barely noticeable.

    You will hear and read a lot of internet marketing chatter about this faux debate. The science does not support taking a strong stance on the matter. Sales and marketing, however does.

    I’ve written about it a lot here:

    Yes, Lovaza is an ethyl ester form of fish oil. And it is very, very effective. So are many of the pharma grade ethyl ester fish oil supplements. Our company makes two different brands of fish oil with about 7 or 8 products in all…but the end of 2015 about half will be in TG form and other in EE. We have no bias either way, but do wish this confusion would go away.

    • Thanks! I appreciate your response. I’ll read the articles you linked to. I’m glad to know that as long as you take it with a meal (assuming the meal should have some natural fats in it?) EE oil should be fine, because I have a lot of it and don’t really want to toss it out and buy a different type.

      Out of curiosity, the type I have is krill oil. Any comments or cautions around that?

      • Hi Jennifer – don’t sweat the EE versus TG debate. People will continue to debate it. Let them. No need to toss out the product you have, even if it is krill oil. The only issue with krill oil is that there is very little Omega-3 in it. It’s slightly better absorbed than fish oil, but since there is so little Omega-3 to begin with, the increased absorption doesn’t do much benefit. To feel benefits with krill oil, make sure you take the same amount of Omega-3 as you would with fish oil. Unfortunately, this usually means 6 to 10 pills a day.

        • The krill oil I have is 500mg rather than the usual 300mg but that probably just means 4-6 instead of 6-10. Right now I’m taking two. Kinda in the mood to just eat fish instead. 🙂

          • Fish and other seafood are definitely the way to go. I know a lot of people who only supplement on days they don’t eat seafood.

  48. Hi Vin!

    Great article however, I’m a little confused with products that separately offers omega 3 and vitamin A&D but are both derived from fish liver oil. I just want to ask if omega 3 supplements contain vitamin A and D as well , or if a vitamin A and D supplement contains omega 3’s as well (since they are both derived from fish liver oil) even if neither have it on the supplement facts on their labels. I just want to make sure if it is safe to take a separate omega3 supplement and Vitamin A and D supplement since Vitamin A can be quite toxic at high doses, and I don’t want to risk that. Anyway here are the facts from both supplements :

    Fish oil(Anchovies & Mackerel) 1400 mg
    Fatty acid composition:
    Total omega 3 fatty acid: 910 mg
    EPA: 448 mg
    DHA: 308 mg
    Other omega3 fatty acid: 154mg

    Vitamin A (from cod liver oil): 10,000 IU
    Vitamin D (cholecalciferol): 400 IU

    I really hope you can help me with my Dillema. Thank you in advance!

    • Hi Adurin – first, it is very difficult to overdose on Vitamin A, despite what you may read. If and when that happens, it is because of an absence of Vitamins D and K2. And possibly Vit E. I take 20,000 IU of Vit A with 5000 IU of Vit D3 a few times a week. Your Vit A and D is low in D. I would want at least 2000 IU of D3 per day during the winter time and less during the summer if you get a lot of sun exposure.

      It is not only safe, but essential to take A, D and Omega-3. If you eat fish and liver, you would get all three in good amounts and proper proportions. There is no Vitamins A and D in fish oil supplements and hardly any Omega-3 in the A and D supplements.

      • Thank you so much for shedding light on this matter! There are indeed varying opinions on the toxicity levels of vitamin. I’m planning to take it every other day just to be on the safe side (does that make sense or any difference? Is taking it a few times a week in high doses more advisable because it can be stored in the body, or is it just your personal preference?) . Also, I live in the Philippines, a tropical country just above the equator so we get sunshine all year round (well except the monsoons).

        Lastly, the reason why I wanted t take omega 3 is for its hirmone balancing and anti inflammatory properties. Is the amount in my omega 3 supplement substantial for that purpose?

        I really really appreciate you answer! Thank you!

        • Hi Adurin – you can take the A and D a few times a week. I do it this way because I often get enough of both from diet and sunlight respectively. Your Omega-3 is sufficient to prevent all deficiency symptoms. It may or may not reduce inflammation substantially, depending on how much Omega-6 and sugar/grains you consume. You could double your Omega-3 dosage if you want to know if that helps, without an ill effects.

  49. Hello, I am allergic to fresh water fish. Is there a a supplement that I can take that will give me the “fish oil” or omega that I can safely take.

    • Hi Shacara – most fish oil supplements on the market are made from SALTEWATER fish. If you’re not allergic to saltwater fish like sardines and anchovies, you should be fine with most products – check the label carefully to see which fish was used. I would still work under a doctor’s supervision while you attempt this for the first time, with an epipen or benadryl in hand.

  50. Hello,
    My doctor has informed me that my bad cholesterol is a little high. Since I’ve been researching various OMEGA 3’s and fish oils to aid in lowering my numbers. I was almost sold on buying Super Critical Omega-3 TG until I came across OmegaVia. Why should I buy OmegaVia in lieu of Super Critical Omega-3 TG? Thanks

    • Hi Tonecia – first, Omega-3 /fish oil will not reduce cholesterol…it doesn’t matter which brand you use or what the product label says. However, if combined with a healthy diet and exercise, Omega-3 can support healthy triglycerides, if that is your issue.

      The product you’re referring to is slightly different. It has less Omega-3. It is in TG form. And it costs a lot more. But its effect on Omega-3 will be the same as OmegaVia if you get the same dosage.

  51. Hi Vin,
    I’m now in 7 weeks pregnancy, and now also facing Threatened Abortion status. Doctor advise me bed rest and have an injection to protect the baby. Also, Doctor has giving 3 medicine to take daily.
    1) Folic Acid – 5mg – 2 times a day.
    2) Duphaston – 10mg
    3) Cardiprin 100 (Aspirin 100mg & Glycine 45mg)

    Should I start to take Omega 3 now? I had just bought GNC Triple Strength Fish Oil, each tablet contains EPA 647mg & DHA 253mg. Is it safe for me to take GNC fish oil if I’m in the above condition?

    Looking forward to your early favourite reply. Thank you.

    • Hi Amelia – since you are under intensive medical care, you should check with your doctor before you do anything, but I would normally recommend two of those pills a day for anyone who’s pregnant. But like I said, check with your doctor.

  52. Quick question. This has to do with IODINE content and Spring Valley- Fish Oil Brand… hope I’m asking in the right forum:

    Does ‘Spring Valley’ All Natural Fish-Oil (1000mg/300mg Omega 3) contain any IODINE? I have hyperthyroidism and Fibromyalgia..I do not take any medications for choice.. just natural remedies ;). I did take fish oil for a while before I was told to stop before my thyroid test.. and I do remember it being helpful. Since stopping I have more aches and pains, I’m incredibly fatigued and have serious “brain fog”. Wish fish give me back my ‘mental clarity’? I just worry it has IODINE a b day is messing with my thyroid?… Please if anyone has any advice.. thanks ahead of time.

    • Hi LadyFuzzy – I can’t comment on what’s in Spring Valley fish oil, but fish oils typically do not have measurable amounts of iodine. Fish do. But not so much in oils. If taking Omega-3 made you feel better, chances are you need a little more than 300 mg.

  53. I know you are not fond of shark’s liver oil but I really miss my “Seabionics” that was a liquid pharmacutical brand fish oil. It came in a brown bottle and I took about 2 Tbsp. per day. I noticed a BIG difference in my carpal tunnel and my joints not aching. It was a multi level selling product and came from Norway. The company that sold it was doing fabulous until they said they could no longer get it. I guess it was helping to many people. I would love to know if you have heard of it or if it could still be found somewhere here in the US or if I have to take a trip to Norway! Thank you for your help!

    • Hi Sandy – I have not seen that product in the US. If your symptoms improved, I suggest trying Nordic Natural’s liquid Ultimate Omega product.

      (You’re right – I absolutely do not like the concept of shark liver oil)

  54. Years back, for some reasons I stopped eating fish and meet.
    I think I should take code liver oil as a suppliment for omega 3 and Vit A,D.

    What must be the correct dosage of code liver oil ( I prefer seven seas??). My age is 52, weight 80 kg , height 5’11”.

  55. Vin do you take Omega Via fish oil? I’ve been taking fish oil for 9 years now and out of all the different brands I’ve tried, Omega Via is the only one that makes me feel different after a week of use. I’ve tried Nature Made, Natures Bounty, and a few CVS brands and not one of them made any difference in the way I felt. Im not sure if thats a good thing or not! Anyway im going to stick with Omega Via for several months and see what happens. So far all the literature i’ve read about Omega Via seem to be positive. I’ll let you know how it goes in a few months.

  56. Hi Vin,

    Many thanks for sharing your knowledge and expertise with us.

    I am a 34 year old female, and I bodybuild and weight train heavy. I am on a very clean food diet, and my bodybuilding coach has recommended that I increase my fish oil intake significantly for good recovery and shredding body fat. I have started taking 20 capsules a day of New Chapter Wholemega fish oil. It has only been a week at this high dosage, so havent noticed any effects yet.

    I was wondering what your opinion is on such large doses, and if you know of any side-effects or cons to taking such large doses of omega-3?

    Also, is there any effects this would have on my hormones as a woman (especially detrimental effects)?

    Many thanks,


    • Hi Sue – this is a bad idea. If you want to control inflammation, your approach should be focused on diet and lifestyle. You’re taking way too much Omega oils (polyunsaturated fats). My suggestion would be to reduce Omega-3 dosage to a maintenance dose of about 2000 mg per day and brief increases to two or three times that much.

  57. Hi! I am currently pregnant and was taking Spectrum vegetarian dha (only because I had it at home from my mom). But now I am in my 2nd trimester, and definitely want something better. I was thinking about Doctors Best DHA 500 from calamari (take twice daily to have 1000 mg total). Other options are Ovega 3, Nordic naturals 1000 or Carlson. What of this options you would say is better? Or if there anything else I could miss, I will be glad to consider. Thank you for the amazing information, we all want something best for the paid price, and it helps so much!

  58. Hi Vin Kutty,

    I am shopping for the best and more pure and potent Omega -3 liquid fish oil in the market in the US or global. I noticed that you don’t mentioned Omega-3 RX from Zone Labs near Boston, MA. Are you familiar with their products? Any other choices?


  59. Can you give your thought about NUTRILITE® Salmon Omega-3 product. Does it has mercury? How can i test mercury levels in softgel with the help of labs in india?

    • Hi Dhruv – Nutrilite products are of good quality, but are ridiculously priced due to their corporate structure (several layers and levels of owners and agents). So something that you pay $30 for costs them $2 or $3 to make. I have no idea if there is mercury in it.

  60. I used to take [for several years] Seven Seas Pulse concentrated fish oil [Omega 3 -600mg of which EPA and DHA are 520mg average values for 2 capsules] Recently, I switched to Nature’s Bounty Cold Water Salmon Oil 1000mg x 2 capsules. Each capsule provides 210mg Omega-3s.
    After taking Nature’s Bounty salmon oil, I am getting hives.
    I stopped Nature’s Bounty salmon oil, to check if this product is causing the hives.
    I am not allergic to fish. Please recommend a suitable fish oil product – purified by molecular distillation. Thanks.

    • Hi Thiru – there are literally hundreds of fish oil products on the market – I don’t know what’s available where you live. My suggestion is to choose one with a higher Omega-3 potency and one that’s been tested/verified by a third party lab for purity and potency.

  61. I like to choose “Nordic Naturals Omega 3 Purified Fish Oil liquid” available in Malaysia.
    This product is highly recommended by people who used this product for few years.
    I need your advice on this product. I am currently taking Seven Seas Pulse 2 capsule
    providing 600mg Omega 3 [ EPA & DHA 520 mg].

    • Hi – Nordic Naturals is a good product. They make a lot of different fish oils – go with the Ultimate Omega line. Those are more concentrated.

  62. Hello. I bought Solgar Wild Alaskan Full Spectrum Omega. On the site information that “these softgels go through a proprietary purification process to ensure removal of heavy metals, including mercury, PCBs and other environmental impurities, while still maintaining optimal integrity of the oil and potency”. But they do not have the IFOS certificate. Is it possible to trust this company?

    • Hi Olia – Solgar is a good company. They usually make very good products. Based on that reputation, I would trust their products. However, salmon oil is a little different from other fish oils because it tends to be a little high in arsenic than regular fish oil. So, an IFOS test resuld would be useful. Nordic Naturals sells low-arsenic salmon oils. Also, one softgel of your Solgar product has just 250 mg Omega-3. That is hardly anything! Solgar makes a Triple Strength Omega-3 with just over 900 mg of Omega-3 per pill. That product will improve your health more. Always choose products that have both high Omega-3 levels (at or above 1000 mg Omega-3 per pill) and some form of third-party test results that is publicly available and posted.

    • Hi Vicki – TOTOX is a good measure. A one-size-fits-all metric for freshness/rancidity. Most brands pass TOTOX levels expected of the industry by trade groups. Third-party testing facilities like IFOS (International Fish Oil Standards) have somewhat stricter guidelines. Use their website to help choose the right product. Google IFOS Consumer Reports.

  63. “Good news: luckily, most fish oils are purified by molecular distillation and this high-tech process removes most of the scary stuff. This is why eating a fish oil supplement is much safer than eating whole fish.”

    Do you mean molecular distillation is supercritical fluid CO2 process?
    if correct,, Does the SCF CO2 process not take scary stuff (Mercury and other heavy metals (Arsenic, Cadmium and Lead), Dioxins, PCBs and Furans?)?
    is there any scientific report?

    • Hi afnil – molecular distillation is not the same as supercritical CO2. Molecular distillation comes first. That oil is then further purified and concentrated with two additional steps: Supercritical CO2 extraction and then Supercritical CO2 chromatography. Very few products offer oils that are supercritical CO2 purified. The additional purification steps makes the oil cleaner and more potent.

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