Carbonated water, eaas (l-leucine, l-isoleucine, l-valine, l-threonine, l-lysine, l-phenylalanine, l-histidine, l-methionine, l-tryptophan), betaine anhydrous, natural flavors, malic acid, citric acid, caffeine, sodium benzoate and potassium sorbate (preserve freshness), cognizin (citlcoline), potassium citrate, sucralose, calcium chloride, magnesium citrate, vitamin b3 (niacinamide), vitamin b6 (pyridoxine hydrochloride), and vitamin b12 (methylcobalamin).
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.