Omega-3 (EPA and DHA) — answers to fish oil
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The long-chain omega-3 fatty acids EPA and DHA, usually from fish oil.
Why it’s used
Taken for heart and general health; at higher doses, to lower blood triglycerides.
What the evidence is for
lowering blood triglycerides at higher doses.
What the evidence says
At higher doses — about 2–4 g/day of combined EPA and DHA — omega-3s lower blood triglycerides, with a consistent dose-response. Evidence for other cardiovascular benefits from typical low-dose supplements is weaker. A typical 1,000 mg fish-oil softgel contains only about 300 mg of EPA+DHA, well below the triglyceride-lowering range.
Dose studied
2000–4000 mg — 2–4 g/day of combined EPA+DHA studied for lowering triglycerides, per NIH ODS and the American Heart Association.
Context
The triglyceride effect is seen at roughly 2–4 g/day of combined EPA+DHA. Read the panel for the EPA+DHA content, not the total fish-oil weight.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.