EPA

1. U.S. Government. Environmental Protection Agency: an independent federal agency, created in 1970, that sets and enforces rules and standards that protect the environment and control pollution.
2. eicosapentaenoic acid: an omega-3 fatty acid present in fish oils.

EPA

abbreviation for

1. eicosapentaenoic acid: a fatty acid, found in certain fish oils, that can reduce blood cholesterol
2. Environmental Protection Agency