Research supports the benefits of Omega-3 Fatty Acids (O3FA) for athletes, including reducing inflammation, improving muscle recovery, and promoting brain health.. EPA and DHA are important sources of omega 3's, with fatty fish and seafood being the primary providers of EPA and DHA. For some athletes, supplementing EPA and DHA can help reach optimal levels of omega 3 fatty acids. Daily doses between 1-3g of EPA + DHA are typically recommended.