Fish Liver oil — answers to cod liver oil
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An oil extracted from the livers of fish such as cod, naturally rich in omega-3 fatty acids (EPA and DHA) and vitamins A and D.
Why it’s used
Taken as a source of omega-3 fatty acids and, incidentally, vitamins A and D, for general cardiovascular and nutritional support.
What the evidence is for
lowering blood triglyceride levels at higher omega-3 intakes.
What the evidence says
NIH's Office of Dietary Supplements fact sheet on omega-3 fatty acids describes established effects on blood triglyceride levels at higher intakes, alongside more limited evidence for other claimed benefits. Because fish liver oil also carries vitamin A and D, total intake of those vitamins from combined supplement use is a separate consideration.
Dose studied
2–4 g — combined EPA and DHA intake studied for triglyceride effects, per NIH ODS.
Context
Triglyceride-lowering effects in clinical trials have generally been studied with concentrated EPA/DHA doses higher than typical fish liver oil servings provide.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.