The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
There are a number of chia seeds, these kinds of things but the levels of EPA that are required are quite high. So this thousand milligrams per day is that's pretty hard to get from food although it can be done depending on what you're eating.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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Fish oil contains high amounts of DHA and EPA, whereas Omega-3-rich seed oils (e.g. Linseed oil, hempseed oil, and walnuts) containing Alpha-Linolenic Acid ALA, a precursor of EPA and then DHA.
Linseed oil and walnuts are rich in alpha-linoleic acid, an Omega-3 acid precursor of bioactive EPA and DHA. Fish oil- in contrast- is rich in both EPA and DHA, the major bioactive Omega-3 fatty acids.
@jdb6000 Chia seeds contain mainly ALA (60%) rather than EPA and DHA (from fish).
Walnuts are but they contain ALA, not EPA or DHA.
ala is abundant in chia and flax seed and also found in large quantities in walnuts soybeans and hemp seeds epa and dha are found in fatty cold water fish like salmon and cod as well as other seafood and microalgae
There are three omega-3 fatty acids. The ones that are found in seafood are EPA and DHA. Those are the ones found in the marine sources. ALA is the plant source of omega-3.
There are three types of omega-3 fatty acids. There's alphal leninoleic acid ALA that is found in plant foods like walnuts like flax seeds, chia seeds.