Jarrow Formulas Krill Oil is a low temperature extract of the Antarctic krill (Euphausia superba) that provides phospholipids containing Omega-3 PUFAs (Epa and Dha). Emerging science demonstrates some evidence of krill oil's potential to support healthy lipid management, brain nutrition and metabolism. Our unique formula features K-real krill oil which contains the natural antioxidant, astaxanthin.