This product is likely Eosinophilic Esophagitis Friendly.
Carbonated water, citric acid, taurine, sodium citrate, natural and artificial flavor, caffeine, caramel color, sucralose, glucuronolactone, sodium benzoate (preserves freshness), potassium sorbate (preserves freshness), acesulfame potassium, inositol, l-carnitine, guarana seed extract, niacinamide (vitamin b3), calcium pantothenate (vitamin b5), milk thistle extract, panax ginseng root extract, yellow 5, pyridoxine hydrochloride (vitamin b6), riboflavin, cyanocobalamin (vitamin b12).
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging.