Citric acid, maltodextrin, aspartame (phenylketonurics: contains phenylalanine), caffeine contains less than 2% of acesulfame, potassium, magnesium oxide, calcium silicate, niacinamide (vitamin b3), calcium pantothenate, and biotin (b vitamins), natural and artificial flavors, red 40, titanium dioxide (color), pyridoxine hydrochloride (vitamin b6), cyanocobalamin (vitamin b12), yellow 5, blue 1.
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.