21ST Century® Krill Oil provides Omega-3 fatty acids. EPA and DHA are important Omega-3 fatty acids that support cardiovascular health as well as being important components of the cells in the body.* Krill Oil is from small red-colored crustaceans that thrive in cold water and are similar to shrimp. The Omega-3 Fatty Acids in Krill Oil exist as the natural phospholipids form found in krill.* One small softgel provides an optimal combination of Omega-3 Fatty Acids for Heart Health Support.*