Nature's Plus Herbal Actives Turmeric rhizome extract is uniformly standardized to a minimum of 95% (380 mg) curcumin to guarantee that each and every capsule provides consistent potency and activity. Each capsule, providing the greatest concentration of active botanical principles, maximizes the synergistic benefits of the whole rhizome, which naturally contains turmerone and zingiberine. If you are pregnant or nursing, consult your health care professional before using any herbal product