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Omega-3onaPlant-BasedDiet—ALA,DHA,EPAandAlgalOil
You don't need fish. You do need to know what fish had.
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Omega-3 on a Plant-Based Diet — ALA, DHA, EPA and Algal Oil
There are two things worth knowing: (1) ALA — the short-chain omega-3 in flax, chia, walnuts and hemp — is essential and easy to get. (2) DHA and EPA — the long-chain omega-3s in fish — are conditionally essential; the body converts ALA to them at 5–10% efficiency. For optimal cognitive and cardiovascular status, especially during pregnancy and older age, most vegan-nutrition experts now recommend a direct algal DHA+EPA supplement of 200–500 mg/day — the same source fish get it from.
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Best plant sources
Source: EFSA 2010; NIH ODS 2024
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Absorption & practical tips
Grind flaxseed before use — whole seeds pass through undigested. Store all seeds in the fridge to protect fragile omega-3 oils.
Fish don't 'make' omega-3s. They accumulate them from algae. Skipping the fish avoids methylmercury, PCBs, dioxins, and microplastics — and doesn't reduce your omega-3 intake if you supplement algae directly.
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FAQ
Q&A
Related questions
- How do vegans get omega-3?
ALA from flax, chia, walnuts and hemp; direct EPA/DHA from algae oil supplements — the same source fish get it from.
- Is a vegan diet safe for kids?
Yes, when planned. All major paediatric dietetic bodies confirm vegan diets are safe for infants, children and teens with adequate B12, D, iron, calcium, iodine and DHA.
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