Antarctic 100 Percent Pure. Omega-3s Bonded To Phospholipids. Certified Sustainable Seafood MSC. Soy Free GMO Free Gluten Free. Krill Oil is an extract from Antarctic krill that is rich in cell membrane building blocks: highly unsaturated phospholipids co-functionalized with Omega-3 fatty acids (EPA & DHA). Although beneficial for both men and women, Krill oil also supports relief of normal PMS symptoms.