Citric acid, maltodextrin, aspartame**, caffeine, contains less than 2% of: natural flavors, magnesium oxide, acesulfame-potassium, calcium silicate, niacinamide (vitamin b3), sugar*, calcium pantothenate (b-vitamin), red 40, artificial color, pyridoxine hydrochloride (vitamin b6), blue 1, biotin (b-vitamin), cyanocobalamin (vitamin b12).
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.