Water, citric acid, propylene glycol, caffeine, sodium citrate, potassium citrate, sucralose and acesulfame potassium (sweeteners), natural flavor, niacinamide, vitamin b6, vitamin b12, potassium sorbate (preservative), red 40, taurine, blue 1, ginseng extract, guarana extract.
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.