Filtered water, malic acid, natural & artificial flavors, sucralose, citric acid, acesulfame potassium, potassium sorbate, sodium benzoate, n-acetyl l-tyrosine, natural caffeine (from green tea leaf extract), l-tryptophan, alphasize alpha gpc 50%, l-theanine, huperzine a, riboflavin, vitamin b12 (as methylcobalamin), magnesium (as magnesium glycinate)
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging.