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 ...

Medically reviewed by Melissa Nieves, LNDKrill oil contains omega-3 fatty acids that lower cholesterol and offer potential ...

Some general differences are krill oil supplements have a reddish hue and come from a small, shrimp-like crustacean, while fish oil supplements are yellow or gold and come from fatty fish.