In each 15 ml active ingredients: magnesium hydroxide (1200 mg), saline laxative. Inactive ingredients: anhydrous citric acid, carboxymethyl cellulose sodium, d&c red no. 28, flavor, glycerin, microcrystalline cellulose, purified water, sodium citrate, sodium hypochlorite, sucrose, xanthan gum.
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.