Supplement Snapshot
Omega-3
- Best known for:
- Providing EPA and DHA, two omega-3 fats.
- Evidence:
- Limited — for routine heart-disease prevention in otherwise healthy adults; benefits depend on the use and population.
- Common form:
- Fish oil or algae-derived oil.
- Who may consider it:
- People reviewing low dietary EPA/DHA intake with a qualified professional.
Important: Supplements should address a specific need—not replace a healthy diet.
Understand the evidence ↓Where it fits
The context behind the snapshot.
Omega-3 fats include EPA and DHA from marine sources and ALA from plant foods. Think food sources first, then use a supplement when there is a clear reason.
Supplements are most useful when they help meet an intake target, address a recognized gap, or provide an evidence-supported ingredient for a specific goal. They are less useful when they are being used to compensate for an otherwise weak foundation.
Evidence starting point
The evidence label is our plain-language summary for the use described above, not a formal evidence grade or a product rating. Reviewed September 2026.
Next step
Before choosing a product, learn how to evaluate quality, evidence and dose.
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