Carbonated water, contains less than 1% of: citric acid, malic acid, potassium citrate, ashwagandha root extract, caffeine (from green tea), sodium citrate, natural flavors, sucralose, lion's mane extract, l-theanine, acesulfame potassium, sodium gluconate, niacinamide (vitamin b3), pyridoxine hydrochloride (vitamin b6), thiamine hydrochloride (vitamin b1), cyanocobalamin (vitamin b12).
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.