Carbonated water, high fructose corn syrup, taurine, citric acid, sodium citrate, sodium benzoate (preservative), caffeine, potassium sorbate (preservative), gum arabic, niacinamide (vit. B3), natural flavors, d-calcium pantothenate (vit. B5), sucralose, ester gum, inositol, yellow 6, pyridoxine hydrochloride (vit. B6), cyanocobalamin (vit. 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.