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Omega-3 or fish oil is the second most consumed supplement in the US. Most people taking it will give you the same reason: it's good for my heart.

The benefit is more nuanced and depends on a person’s cardiovascular risk, measured deficiency and dose. That's what this four-week series is about.

What's coming — 4 weeks of omega-3s

Week 1 — Heart: Who actually benefits? It depends on your risk profile, your formula, and a gene most people have never heard of.

Week 2 — Brain: Observational studies and clinical trials disagree on the impact of omega 3’s on dementia risk. The timing of when you start may matter most.

Week 3 — Joints & Eyes: The marketing runs ahead of the evidence. We'll show you exactly what the data says.

Week 4 — Your Decision: How to read a label, pick the right formula, and use a blood test to know if it's actually working.

Questions to think about?

  • Two trials evaluating cardiac benefits of Omega-3 in near-identical patients had different outcomes. One reduced heart attacks by 25%, the other was stopped early for futility. What explains the difference?

  • If omega-3s lower dementia risk in large observational studies, why do clinical trials consistently fail to confirm it?

  • There's a blood test that tells you whether the omega-3s you take are actually getting into your cells. Most people have never taken it. Should you?

SURVEY BELOW

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