Nutrients%
Omega-3 index
Optimal
≥ 8% (below 4% is high risk)
Why
EPA+DHA share of red-cell membranes; above 8% means 30% lower all-cause mortality versus below 4% in the FORCE consortium.
How often
Yearly; finger-prick kits exist.
What moves it
2–3 servings of oily fish a week or 1–2 g EPA+DHA.
Last reviewed: 6 September 2026
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