Water, citric acid, propylene glycol, caffeine, sodium citrate, contains less than 2% of: niacinamide, vitamin b6, vitamin b12, ginseng extract (panax), guarana extract, taurine, natural flavor, sucralose and acesulfame potassium (sweetener), potassium citrate, red 40, potassium sorbate (preservative)
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.