Artificially flavored. 100 mg of caffeine from natural sources. 5 g of aminos. Zero sugar. 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). Electrolytes. Benefits: supports everyday performance and goals; replaces electrolytes lost in sweat during exercise; supports endurance. Occasion: anytime you need an energy boost; anytime of the day; pre-workout energy & hydration; 15-30 mins before training; post-workout recovery & rehydration; after training. Made in the USA. This product contains ingredients of international and domestic origin.