Citric acid, potassium citrate, sodium citrate, aspartamet (phenylketonurics: contains phenylalanine), magnesium oxide, contains less than 2% of natural flavor, acesulfame potassium, soy lecithin, artificial color, yellow 5, tocopherol (to protect flavor).
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.