Amino Charge Contains all essential amino acids With 100 mg caffeine Sugar-free Gluten free Muscle fatigue during training is a natural process. Amino Charge helps you overcome this fatigue and perform at your best. It contains nitric oxide precursors such as Citrulline and L-Arginine, 4 grams per serving in total. It also contains 1 gram of tyrosine and 6 grams of BCAA amino acids per serving, of which 3 grams are leucine. The formula also includes 6 essential amino acids, green tea extract and caffeine to help you get the most out of your workouts.