Both fish-oil pills and krill-oil supplements supply the healthful omega-3 fatty acids DHA and EPA. But there are differences. Krill oil comes from small crustaceans, not fatty fish, and typically ...

Krill oil contains omega-3 fatty acids that lower cholesterol and offer potential heart health benefits. Krill oil, made from shrimp-like crustaceans, is also a source of astaxanthin, an ...