Eicosapentaenoic acid (EPA) is an essential fatty acid found in certain types of seafood and fish oil supplements. Some synonyms for EPA include (but are not limited to) omega-3 fatty acid, marine fatty acid, EPA-ω3, and cis-5,8,11,14,17-eicosapentaenoic acid. EPA is known for its anti-inflammatory properties and potential cardiovascular benefits. It has also been studied for its potential effects on mental health, including depression and anxiety. Due to its numerous health benefits, EPA is often included in dietary supplements and functional foods. Overall, EPA is a vital nutrient for optimal health and should be included in a well-rounded diet.