ACAI (Ahh-Sigh-EE) Acai berry, is a dark purple berry from deep in the jungles of Brazil. Natives there have long prized its health and energy boosting properties. Studies suggest the Acai berry packs a mean antioxidant punch (10X the antioxidant power of red grapes). Emergen-C Acai berry delivers a potent 1000 mg of Vitamin C, 32 active mineral complexes and a bunch of energy-boosting B vitamins.