Naturally and artificially flavored. 100 mg of Caffeine from natural sources. 5 g of aminos. Zero sugar. Essential amino. Energy + electrolytes. Essential Amin.O. Energy Plus Electrolytes offers a combination of 5 grams of Amino Acids, 100 milligrams of Caffeine (As much caffeine from natural sources as 8 fluid ounces of standard brewed coffee), and Electrolytes to support performance, endurance and active living. Benefits: Supports everyday performance and goals; Replaces electrolytes lost in sweat during exercise; Supports endurance. Electrolytes. This product contains ingredients of international and domestic origin. Made in the USA.