Black Ginger, a plant of the genus Zingiberaceae Kaempferia, commonly grows in the tropical Asia. Traditionally, Black Ginger is known as an energy enhancer with excellent tonic effect.

Black ginger extract contains polymethoxyflavonoids, zinc, arginine, anthocyanins, and up to 11 kinds of natural flavonoid compounds and other active ingredients. It is a strong antioxidant. The signature ingredients are total flavonoids and 5,7-dimethyl flavonoids.