Filtered water, ruby red grapefruit juice concentrate, natural grapefruit flavor, calcium gluconate, calcium lactate, citric acid, ascorbic acid (vitamin c), grapefruit pulp cells, pectin, sucralose (splenda brand), acesulfame potassium, and red 40.
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.