Carbonated water, citric acid, refresh performance complex (betaine anhydrous, caffeine anhydrous, taurine, potassium citrate, l-tyrosine, choline bitartrate, bcaa aminos (l-leucine, l-isoleucine, l-valine), carnitine l-tartrate, alpha gpc, caffeine citrate), natural and artificial flavors, sucralose, malic acid, potassium sorbate (preserves freshness), sodium benzoate (preserves freshness), acesulfame potassium.
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.