Carbonated water, erythritol, watermelon juice concentrate, natural flavor, citric acid, stevia extract (steviol glycosides), monk fruit extract, caffeine, l-leucine, l-valine, l-isoleucine, beta-alanine, green coffee bean 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.