L-cystine, l-histidine, l-isoleucine, l-leucine, l-lysine (chloride), l-methionine, l-phenylalanine, l-threonine, l-tryptophan, l-tyrosine, l-valine. Other ingredients: citric acid, flavors, riboflavin (color), silicon dioxide, stevia extract
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.