From Manufacturer''s Label:Use Essential AmiN.O. anytime for essential amino acid delivery, nitric oxide protection**, muscle recovery acceleration** and improved energy and focus**.Amino Energy helps build muscles with BCAAs and Amino Acids and contains only 10 calories.Add Amino Energy to any drink for a refreshing fruit flavored boost of energy and alertness.*** Micronized Free Form Amino Acids For Faster Absorption*** Supports Recovery Before, During & After Exercise*** Caffeine from Natural Sources* Naturally and Artificially FlavoredGrape. 30 servings per container. Manufactured by: Optimum Nutrition