NKO' 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, NKO also supports temporary relief of PMS symptoms.* * These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. SN2448 (SN2448) Source Naturals