Monograph
EPA (Eicosapentaenoic Acid): A Practical Guide
Overview Eicosapentaenoic acid (EPA) is a long-chain omega-3 polyunsaturated fatty acid (LC-PUFA) with a 20-carbon backbone and 5 double bonds (20:5n-3). It is one of the two primary bioactive marine omega-3s (alongside DHA), found in fatty fish, algae, and marine oils. EPA serves as the…
By Kristopher Crawford
·
13 May 2026
·
3 min read
Overview Eicosapentaenoic acid (EPA) is a long-chain omega-3 polyunsaturated fatty acid (LC-PUFA) with a 20-carbon backbone and 5 double bonds (20:5n-3). It is one of the two primary bioactive marine omega-3s (alongside DHA), found in fatty fish, algae, and marine oils. EPA serves as the…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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