Filtered carbonated water, natural and artificial flavors, citric acid, sucralose (splenda brand), potassium benzoate (preserves freshness), caffeine, guarana, ginseng, acesulfame potassium (a non-nutritive sweetener), fd&c red 40, niacin (vitamin b3), thiamin (vitamin b1) and potassium iodide.
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.