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EPA vs DHA: what is the difference?

EPA and DHA are related omega-3 fatty acids, but they are separate label values. A responsible comparison keeps them distinct and calculates what the labelled daily dose actually provides.

5 min readReviewed 26 July 2026Educational information
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30-SECOND ANSWER

EPA and DHA explained: how to read milligrams per capsule, daily amounts and fish oil labels.

01

Two different omega-3s

EPA means eicosapentaenoic acid and DHA means docosahexaenoic acid. Both can occur in marine oils, but their proportions vary by formula.

02

Per capsule versus per day

A product may present amounts per capsule while directions recommend more than one capsule. Multiply carefully and compare like with like: per capsule, per daily dose or per pack.

03

Avoid ratio shortcuts

A higher number is not automatically a better personal choice. Product suitability also depends on directions, warnings, medicines, diet and advice from a health professional.

Important information

This article is general educational information, not medical advice. Always read the label and follow the directions for use. Ask a doctor or pharmacist about medicines, pregnancy, breastfeeding, allergies, health conditions or persistent symptoms.

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