Citric acid, natural lemon flavor with other natural flavors, sodium citrate, calcium citrate, ascorbic acid (vitamin c), cellulose gum, acesulfame potassium, natural lemon juice solids, sucralose, magnesium oxide, yellow 5.
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.