Carbonated water, erythritol, citric acid, taurine, sodium citrate, taurine, sodium citrate, natural flavors, l-carnitine, l-tartrate, caffeine, sorbic acid (preservative), sucralose, benzoic acid (preservative), niacinamide (vit. B3), d-calcium pantothenate (vit. B5), acesulfame potassium, salt, red 40, pyridoxine hydrochloride (vit. B6), blue 1, 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.