Citric acid, natural and artificial flavors, sucralose, acesulfame potassium, malic acid, silicon dioxide, grape (fruit) skin (for color), calcium silicate, sodium (as sodium citrate), potassium (as potassium citrate), l-leucine, l-isoleucine, l-valine, caffeine (from green coffee (coffea spp.) (bean) extract and guarana (paullinia cupana) (seed) 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.