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