Carbonated water, carnosyn beta-alanine, l-citrulline, betapower betaine anhydrous, malic acid, citric acid, potassium sorbate (preservative), sucralose, caffeine anhydrous, acesulfame potassium, natural flavors, n-acetyl-l-tyrosine, niacinamide, 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.