This product is likely Chestnut Free.
Carbonated filtered water, citric acid, taurine, guarana seed extract, caffeine, ascorbic acid, green tea extract, calcium carbonate, sucralose, glucuronolactone, ginger root extract, calcium pantothenate, niacinamide, natural flavor, pyridoxine hydrochloride, riboflavin, vegetable juice (color), chromium chelate, biotin, cyanocobalamin.
Caffeine content: 200mg not recommended for people who are caffeine sensitive, children under 18, or women pregnant or nursing.