EPA vs DHA: What’s the Difference in Omega-3?

2026-01-16

A clear explanation of EPA and DHA, how they work together, and why balance matters in omega-3 supplements.

EPA and DHA are often mentioned together, but they are not the same.
Understanding the difference helps you make more informed choices.

What Is EPA?

EPA (Eicosapentaenoic Acid) is commonly associated with:

DHA (Docosahexaenoic Acid) is a key structural fat in:

It supports normal cognitive and visual function.

EPA and DHA complement each other.
This is why many omega-3 supplements include both rather than focusing on just one.

For most people, balance matters more than isolation.
A well-designed omega-3 supplement provides both EPA and DHA in appropriate amounts.

👉 Related product: USANA BiOmega™

Are EPA and DHA the same?
No. They are different omega-3 fatty acids with different roles.

Do I need both?
Many people prefer supplements that include both EPA and DHA.

Are EPA and DHA both omega-3?

Yes. EPA and DHA are two different forms of omega-3 fatty acids.

Is it better to focus on EPA or DHA?

Most people benefit from a balanced intake of both rather than focusing on only one.

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