Fish Oil and Other Marine Oil Supplements Reviewed by ConsumerLab.comProduct Reviews
Fish Oil and Omega-3 and -7 Fatty Acid Supplements Review (Including Krill, Algae, Calamari, Green-lipped Mussel Oil, and Sea Buckthorn)

Find the Best Fish Oil and Omega-3 Fatty Acid Supplements

See Our Top Picks Among Fish Oil & Other Omega-3 Supplements for Adults, Children and Pets

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Brands compared in report

1-800-PetMeds Omega 3 for Dogs & Cats
21st Century Fish Oil
Amazing Nutritionals Omega 3 Chews
Andrew Lessman ProCap Essential Omega-3
Barlean's Fresh Catch Fish Oil - Orange Flavor
Bayer Pro Ultra Omega-3
Carlson Elite Omega-3
Carlson Norwegian Cod Liver Oil
Doctor's Best Omega-7
Dr. Sears' Private Label Primal Force Omega Rejuvenol
Finest Nutrition (Walgreens) Fish Oil
GNC Triple Strength EPA 1000
GNC Triple Strength Fish Oil
Kirkland Signature [Costco] Wild Alaskan Fish Oil
Life Extension Super Omega-3
Members Mark [Sam's Club] Fish Oil
Metagenics OmegaGenics EPA-DHA 500 EC
Minami Nutrition MorEPA Platinum - Orange Flavor
Natural Factors Ultra Strength RxOmega-3
Nature Made Fish Oil
Nature's Bounty Mini Fish Oil
New Chapter Wholemega For Moms
Nordic Naturals Ultimate Omega
Nutrifi Omega-Q
NutriGold Krill Oil Gold
NutriGold Triple Strength Omega-3 Gold
OmegaBrite Kidz - Orange Cream
OmegaBrite Kidz - Tutti Frutti
Ora Nothing Fishy Here - Organic Pineapple Burst
Pure Encapsulations O.N.E. Omega
Puritan's Pride Premium Mini Gel Omega-3 Fish Oil
Renew Life Omega Smart Kids DHA - Fruit Punch
Schiff MegaRed Extra Strength 500 mg Omega-3 Krill Oil
SeabuckWonders Sea Buckthorn Oil Blend Omega-7 Complete
Solgar Omega-3 950
Source Naturals Vegan True Non-Fish Omega-3s
Spectrum Essentials Prenatal DHA
Spring Valley [Walmart] Fish Oil
Swanson Omega-3 Fish Oil
USANA Biomega
Vitacost KriaXanthin Antarctic Krill Oil
Vitamin World Ester-Omega
Viva Labs Krill Oil
Viva Labs Ultra Strength Omega-3 Fish Oil
Wellsona Brain Health Omega
WHC UnoCardio
Zesty Paws Pure Salmon Oil

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More about this report

Supplements containing the omega-3 fatty acids EPA and DHA offer a wide range of potential benefits for improving mental health, treating inflammatory disease, and even for cancer prevention. There is also emerging evidence that omega-7s, another type of fatty acid found in fish, may have health benefits. But with so many different supplements to choose from, how do you know which one is right for you — and which offers the best value?'s tests of 49 omega-3 and omega-7 fatty acid supplements  - including fish oil, krill oil, algal oil, calamari oil, green-lipped mussel oil and sea buckthorn oil — revealed problems with the quality of three products.  We also found that a widely promoted "Omega" supplement actually contained only a tiny amount of the omega-3 oils EPA and DHA. 
Fortunately, also identified regular softgels, enteric-coated softgels, and liquids which contained what they claimed and were not contaminated with lead, mercury, cadmium, arsenic or PCBs. Among these, a substantial daily dose of EPA and DHA could be obtained for as little as a few cents a day. also compared the quality, value, and cost for each to select its Top Picks.
You must be a member to get the full test results for fish oil and other marine oil pills and liquid supplements along with recommendations and quality ratings. You will get results for 29 supplements selected by, 20 others that passed voluntary, quality certification testing, and information about one product similar to one which passed testing.  

In this comprehensive report, you'll discover:
    • Which fish oil and omega-3 and omega-7 supplements failed or passed testing and why. 
    • The latest information on benefits of fish oil and omega-3s and -7s, as well as what they cannot do.
    • Direct comparisons (including amounts of EPA and DHA) and quality ratings for fish, krill, algal, calamari, green-lipped mussel, and sea buckthorn oil supplements -- including those for pregnant women, other adults, children, and pets.
    • Which products provide the best value and which are most concentrated (so you can take fewer or smaller pills) including softgels, liquids, and enteric-coated pills.
    • Differences in the forms of fish oil in each product: natural triglyceride, ethyl ester, re-esterified triglyceride, and phospholipid. 
    • The dose of the omega-3s (EPA and DHA) and omega-7s (palmitoleic acid) for specific uses -- and how much is too much.
    • Side-effects and cautions with supplements made with fish oil, krill oil and other marine oils. 
[Also see CL's Canned Tuna and Salmon Review]

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Related questions and answers

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