Carbonated water, citric acid, erythritol, taurine, sodium citrate, natural flavor, caffeine, sodium benzoate (preserves freshness), acesulfame potassium, glucuronolactone, sucralose, potassium sorbate (preserves freshness), inositol, niacinamide (vitamin b3), calcium pantothenate (vitamin b5), milk thistle extract, panax ginseng root extract, pyridoxine hydrochloride (vitamin b6), guarana seed extract, yellow 5, caramel color, blue 1, 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.