Citric acid, natural flavors, maltodextrin, aspartame (phenylketonurics: contains phenylalanine), caffeine, contains 2% or less of the following: acesulfame potassium, sodium citrate, magnesium oxide, niacinamide (vitamin b3), d-calcium pantothenate (vitamin b5), biotin (vitamin b7), cyanocobalamin (vitamin b12), taurine, guarana seed extract, ginseng extract, red 40, yellow 6, 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.