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Flaxseed Oil, Evening Primrose Oil, Borage Oil, Hemp Oil and Black Currant Oil Supplements Reviewed by ConsumerLab.comProduct Reviews
Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids)
Reviewed and edited by Tod Cooperman, M.D. Tod Cooperman, M.D.

Choose the Best Seed Oil Supplements

Find Out Which Flaxseed and Other Seed Oil Supplements Passed Our Tests

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Brands compared in report

Barlean's Organic Oils Flax Oil
Finest Nutrition (Walgreens) Flaxseed Oil
Flora Udo's Choice Udo's Oil
GNC Natural Brand Flax Seed Oil
HALO Purely For Pets Dream Coat
Health From the Sun Borage Liquid Gold
Jarrow Formulas Borage
Life Extension Mega GLA with Sesame Lignans
Manitoba Harvest Hemp Oil
Member's Mark [Sam's Club] Natural Flaxseed Oil
Nature's Answer Liquid Evening Primrose Oil
Nature's Bounty Evening Primrose Oil
Nature's Way EFA Gold Flax Oil, Super Lignan
Nature's Way EfaGold Borage
NatureWise Organic Flaxseed Oil
Nutiva Hemp Oil Black Currant Seed Oil
Puritan's Pride Evening Primrose Oil
Radiance Platinum [CVS] Evening Primrose Oil
Solaray Black Currant Seed Oil
Solgar Evening Primrose Oil
Spring Valley [Walmart] Evening Primrose Oil
Standard Process MediHerb Evening Primrose Oil
The Missing Link Ultimate Canine Skin & Coat
The Vitamin Shoppe Omega 3-6-9
Trunature [Costco] Evening Primrose Oil
Twinlab Ultra GLA 300
Vitamin World Evening Primrose Oil
Webber Naturals Flaxseed Oil

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More about this report

Seed oils are popular supplements that provide omega-3 and omega-6 fatty acids.  Flaxseed oil is particularly rich in the omega-3 fatty acid ALA (alpha-linolenic acid) and hemp seed oil is also a good source. Black currant, borage, and evening primrose oils are good sources of the omega-6 fatty acid GLA (gamma-linolenic acid).
But which are the best black currant oil, borage oil, evening primrose oil, flaxseed oil, and hemp oil supplements? 
Analyses by found that only 14 of 17 products selected for testing met criteria for freshness and labeling accuracy. The most common problem was with freshness, as indicated by high levels of oxidation.

You must be a ConsumerLab member to get the full test results, ratings, and CL's Top Picks for supplements containing black currant, borage, evening primrose, flaxseed, and hemp seed oils along with recommendations. You will get results for 27 supplements: 17 selected by and 10 others that passed voluntary quality certification testing.  Included are two products for pets. You'll also get information about a supplement that is very similar to another that passed testing.  

In this comprehensive review, you'll discover:
    • Which omega-3 and omega-6 supplements passed or failed testing and which were chosen as Top Picks  
    • Direct comparisons of prices, ingredients, amounts of omega fatty acids, and the cost to get these fatty acids from products   
    • What omega-3 and omega-6 supplements can and cannot do for cardiovascular disease and inflammatory diseases such as eczema, mastitis, dry eye, an acne   
    • Dosage for specific uses  
    • Concerns, cautions, potential drug interactions, and side effects of these seed oil supplements  

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