This product is likely Eosinophilic Esophagitis Friendly.
Carbonated water, citric acid, natural and artificial flavor, l-carnitine l-tartrate, taurine, malic acid, tartaric acid, caffeine, sucralose, alpha-glyceryl phosphoryl choline, sodium benzoate (preservative), potassium sorbate (preservative), ascorbic acid, acesulfame potassium, coffee (coffea arabica) fruit extract, niacinamide, astragalus membranaceus root extract, panax notoginseng root extract, pyridoxal-5-phosphate, methylcobalamin.
Caution: this product is only intended for healthy adults. 18 years of age or older. Do not consume if you are sensitive to caffeine, or in combination with caffeine or stimulants from other sources. Too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally. Rapid heart rate. Not for use by women who are pregnant nursing or trying to become pregnant. Consult a licensed, qualified healthcare professional, before consuming this product. Do not use if you are taking any prescription drug and/or have any medical condition.