does fish oil supplement contain DHA
A Stacy Wiegman, PharmD, Pharmacy, answered. Fish oil supplements vary in the amount of omega-3 fatty acids they contain. The two omega-3 fatty acids that are thought to offer health benefits and are commonly contained in fish oil supplements are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).Some fish oil supplements may have more EPA than DHA, and in others the opposite might be true.he two omega-3 fatty acids that are thought to offer health benefits and are commonly contained in fish oil supplements are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).