New Chapter's patent pending Gingerforce™ features the world's most potent full-spectrum ginger extract, at least 250 times the concentration of fresh ginger. This premier extract is Potency-Assured™ to a minimum of 30% pungent compounds, and also contains at least 8% zingiberene, an important and active component of the essential oil of ginger. Because this is a full-spectrum extract, it contains hundreds of naturally occuring beneficial ingredients not similarly present in other extracts.