Herbal supplement. 3 month supply. Gelatin capsules. Menstrual cramps, nausea, heavy bleeding, PMS related indigestion & gas, PMS related muscle aches. An all natural product; contains no hormones. Oona PMS2 is formulated to address the frequent onset of menstrual cramps and associated muscle aches and/or gastrointestinal complaints. Oona PMS2 is a combination of a proprietary cramp bark extract called O-Bark and a standardized ginger extract. Cramp bark has a long history of use in easing menstrual cramps by working as a uterine relaxant and general antispasmodic. Ginger known for its properties that aid digestion, contains Gingerols that ease cramps by lowering a hormone-like substance called prostaglandins. High amounts of prostaglandins are known to contribute to menstrual cramps. (This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease).