Carbonated water, malic acid, citric acid, alpha-gpc (l-alpha glycerylphosphorylcholine) l-tyrosine, natural caffeine (from green coffee beans), natural & artificial flavor, sucralose, acesulfame potassium, sodium benzoate (preservative), potassium sorbate (preseryatiye), sea salt, niacinamide (vitamin b-3), d-calcium pantothenate (vitamin b-5), pyridoxine hydrochloride (vitamin b-6), rebaudioside a (steyia), cyanocobalamin (vitamin b-12).
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.