Claims to: Products made from the juice of this Brazilian fruit are said to prevent heart disease and cancer, fight aging, speed weight loss.
Bottom line: Derived from a so-called “superfood,” acai juice is touted as antioxidant-rich, with anti-inflammatory and antibacterial properties. But it is not alone, notes Villacorta. “The acai berry itself, like every berry, is a superfood,” he says. “And because it can be tart, acai berry juice tends to be full of [added] sugar, without the full health benefit of the fruit itself.”