Water, citric acid, caffeine, contains less than 2% of taurine, guarana extract, ginseng extract (panax), niacinamide (vitamin b3), vitamin b6, vitamin b12, natural flavor, sucralose and acesulfame potassium (sweeteners), gum arabic, sucrose acetate isobutyrate, sodium citrate, potassium citrate, blue 1, yellow 5, 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.