Fish oil (Omega-3)
EPA & DHA
Fish oil supplies omega-3 fatty acids (EPA and DHA) found in oily fish. Considered by people who eat little fish.
What it is
A supplement of EPA/DHA derived from fish oil.
Role in the body
Fatty acids that form part of cell membranes and participate in the body's regulation.
Why people consider it
Considered as an omega-3 source by people who don't eat much fish.
Food sources
- Mackerel
- Sardines
- Salmon
- Tuna
Typical labeled usage
EPA/DHA amounts vary by product. Follow the labeled serving.
Recommended amount
Amounts are common educational ranges based on public reference values and product labels — not individual medical advice. If you have a condition, take medication, or are pregnant or breastfeeding, consult a physician or pharmacist.
When people take it
Often taken with a meal.
Evidence summary
Omega-3 fits within overall dietary balance
Moderate evidenceEffects on health outcomes vary by context; systematic reviews show mixed results.
Who should exercise caution
Who should exercise caution
- Consult a physician if taking anticoagulants
- Mind fish allergies
Potential medication interactions
- Anticoagulant / antiplatelet medication
Possible side effects
- Fishy burps
- Stomach upset
Products & brands
FAQs
When should I take fish oil?
Many take it with a meal; taking it with food can reduce fishy burps. Follow the labeled serving.
Related articles & packs
Monthly packs
References
- Omega-3 fatty acids for the prevention of cardiovascular disease (systematic review) — Cochrane
- Dietary Supplement Fact Sheets — NIH Office of Dietary Supplements