Carbonated water, carnosyn beta-alanine, l-citrulline, malic acid, betapower betaine anhydrous, citric acid, natural flavors, tartaric acid, potassium sorbate (preservative), caffeine anhydrous, 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.