Carbonated water, malic acid, natural flavors, tartaric acid, citric acid, cognizin citicoline, potassium benzoate (preservative), innovatea green tea leaf extract, sucralose, acesulfame potassium, niacinamide, n-acetyl-l-tyrosine, 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.