Omega-3

How to get vegan omega-3

Vegan or not a fan of fish? You can still get omega-3s. Here's what ALA, EPA and DHA do, which plant foods help, and why algae is the best plant source of DHA.

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How to get vegan omega-3
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If you're vegan, vegetarian or simply don't love the idea (or smell) of fish oil, here's the good news: you can still get your omega-3s. Our favorite source? Algae. But first, the basics.

What are the three main omega-3s?

Omega-3s are essential fats that your body uses for brain, eye and heart health. Three matter most in your diet:

Can vegans get enough omega-3 from plants?

Plants give you plenty of ALA, but your body has to convert ALA into EPA and DHA, and it isn't good at it. Tracer studies estimate about 6% of ALA becomes EPA and 3.8% becomes DHA, and conversion falls by another 40 to 50% on diets rich in omega-6 fats from many vegetable oils and processed foods.

That shows up in the body. Vegetarian and especially vegan diets provide little if any EPA and DHA, and studies find lower tissue levels of long-chain omega-3s in vegetarians, particularly vegans. For a deeper look, read ALA vs. EPA vs. DHA.

What are the best vegan food sources of omega-3?

For ALA, these are your best bets:

  • Ground flaxseed and flaxseed oil
  • Chia seeds
  • Hemp seeds
  • Walnuts
  • Soybeans and canola oil

Flax in your smoothie and chia pudding are great habits. To help your body make the most of the ALA you eat, it also helps not to overdo omega-6-heavy oils and fried and processed foods.

Why choose algae for vegan EPA and DHA?

Fish don't make omega-3s themselves: they get them from the microalgae they eat. Going straight to the algae skips the fish, and with it the mercury and ocean pollutants that pregnant women in particular are told to watch. It also works: in a randomized study, algal-oil DHA capsules and cooked salmon raised blood DHA equally.

That's why we make Head & Heart from algae. Each serving provides 500 mg of DHA, it's vegan, and every batch is third-party tested for heavy metals and contaminants. You don't need to take it with food, so it fits any routine.

What do omega-3s do for you?

EPA and DHA are part of cell membranes throughout the body and help regulate the inflammatory response, and DHA is a key structural fat in the brain and retina (NIH Office of Dietary Supplements). They also matter for healthy fetal development. If you're pregnant, read what to know about omega-3 during pregnancy and talk to your doctor before starting any supplement.

So if you're vegan, vegetarian or just ready to ditch the fishy aftertaste: eat your flax and chia, and get your DHA from algae.

Frequently asked questions

What is the best vegan source of omega-3?

For ALA, flax, chia, hemp seeds and walnuts. For DHA and EPA, algae, which is where fish get their omega-3s in the first place.

Do vegans need an omega-3 supplement?

Vegan diets provide little or no EPA and DHA, and vegans tend to have lower tissue levels. An algae-based supplement is a simple way to get DHA; ask your doctor what's right for you.

How much ALA should I eat?

The adequate intake listed by the NIH Office of Dietary Supplements is 1.6 g of ALA a day for men and 1.1 g for women.

References

  1. NIH Office of Dietary Supplements. Omega-3 Fatty Acids: Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/Omega3FattyAcids-HealthProfessional/
  2. Gerster H. Can adults adequately convert alpha-linolenic acid (18:3n-3) to eicosapentaenoic acid (20:5n-3) and docosahexaenoic acid (22:6n-3)? Int J Vitam Nutr Res. 1998;68(3):159-73. https://pubmed.ncbi.nlm.nih.gov/9637947/
  3. Davis BC, Kris-Etherton PM. Achieving optimal essential fatty acid status in vegetarians: current knowledge and practical implications. Am J Clin Nutr. 2003;78(3 Suppl):640S-646S. https://pubmed.ncbi.nlm.nih.gov/12936959/
  4. Arterburn LM, et al. Algal-oil capsules and cooked salmon: nutritionally equivalent sources of docosahexaenoic acid. J Am Diet Assoc. 2008;108(7):1204-9. https://pubmed.ncbi.nlm.nih.gov/18589030/