Experience the power of the superfruit. g Berry Fusion is a premium, carbonated soda that features the exotic Acai berry. Acai berry is an inch-long, reddish-purple fruit. It comes from the acai palm tree, which is native to Central and South America. Some studies show that acai fruit pulp is even richer in antioxidants than cranberries, raspberries, blackberries, strawberries, or blueberries.