Energy Source: Natural theine from fresh whole organic green tea leaves Energy Source: Chemical caffeine, phenylalanine, taurine Effect: Smooth, steady energy Effect: Jittery, nervous energy Side Effects: None Side Effects: Stress, anxiety, tachycardia, shakiness, acid stomach, mind-racing, flushing, irritability, crashing Sweetener: Real blueberry juice, pure Concord grape juice Sweetener: Sucrose/glucose or sucralose/aspartame, Flavorants: No added flavors Flavorants: Fake flavor Food Value: Full serving of fruit Food Value: Some sugar calories Health: Nutritious antioxidants Health: Highly questionable Largest cost: Ingredients Largest cost: Packaging