Preferred Nutrition Krill Oil provides easily absorbed phospholipid-bound EPA and DHA omega-3 fatty acids from sustainably sourced Antarctic krill. Friend of the Sea^® independently certifies that the krill are harvested in a way that protects the Antarctic ecosystem. With no fishy aftertaste, krill oil supports cardiovascular and brain health and helps relieve symptoms of dysmenorrhea and premenstrual syndrome (PMS). Krill oil also naturally contains astaxanthin.