Omega-3 (Fish Oil)
Long-chain polyunsaturated fatty acids, mainly EPA and DHA, found in oily fish and available as oil or capsules.
Educational content only. This content is provided for general educational purposes only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making decisions about your health, exercise, or nutrition. This page intentionally does not provide dosage guidance — speak to a doctor, pharmacist, or registered dietitian about what is appropriate for you.
What the evidence suggests
- Studied extensively in relation to cardiovascular and cognitive health
- An option for people who eat little or no oily fish
Typical use
Usually taken with a meal containing fat to support absorption.
Who may benefit
- People who rarely eat oily fish
- Vegans and vegetarians via algae-derived options
Who should avoid it
- People on blood-thinning medication should consult their doctor first
Possible side effects
- Fishy aftertaste or burps
- Digestive upset at higher intakes
Safety notes
- Algae-derived options provide EPA and DHA without fish.
Frequently asked questions
Is fish oil the same as flaxseed oil?
No. Flaxseed provides ALA, which the body converts to EPA and DHA inefficiently. Fish and algae oils provide EPA and DHA directly.