Tags: Chemical Compound, Chemical Substance.
EPA and its metabolites act in the body largely by their interactions with the metabolites of arachidonic acid; see Essential fatty acid interactions for detail.Eicosapentaenoic acid (EPA or also icosapentaenoic acid) is an omega-3 fatty acid. In physiological literature it is given the name 20:5(n-3). It also has the trivial name timnodonic acid.