What's inside flaxseed, and where does it go in your body?
Rich in ALA omega-3, fiber and lignans. Ground flax is absorbed better than whole seeds.
ALA conversion
The body converts only a small fraction of plant ALA into EPA and DHA.
Evidence & sources
Conversion of ALA to EPA and DHA in the body is limited, with estimates often below 15%. Evidence: moderate. Known: Tracer studies. Unknown: Varies with sex and diet. Source: NIH Office of Dietary Supplements, Omega-3 Fatty Acids — Health Professional Fact Sheet (Current revision).