Research
Mixed
Genetic variants in FADS1 and FADS2 influence the endogenous conversion of omega-6 and omega-3 fatty acids, meaning individuals with certain genotypes may require different dietary intakes to achieve optimal blood levels of long-chain PUFAs.
Your genes affect how well your body converts plant-based omega-3s (ALA) into active forms (EPA/DHA). If you have certain genetic variants, you might need to rely more on direct dietary sources of EPA and DHA (like fish) rather than just flax or chia seeds to get the same benefits.
GoodQualifiesHIGH confidence
Because of single nucleotide polymorphisms (SNPs) in their metabolic pathways, blood levels of omega-6 and omega-3 fatty acids are determined by both endogenous metabolism and dietary intake making the need of balanced dietary intake essential for health and disease prevention.
Why this rating
Cites GWAS and specific SNP studies showing significant variance explained by FADS genes.
Source
The omega-6/omega-3 fatty acid ratio: health implications
Artemis P. Simopoulos · Oléagineux Corps gras Lipides · 2010
DOI 10.1051/ocl.2010.0325
narrative_reviewCited 190×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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