Each capsule contains: Diamine Oxidase Protein concentrate (porcine kidney, 10,000 HDU) 0.3 mg. Other Ingredients: Calcium Carbonate, Microcrystalline Cellulose, Modified Plant Cellulose, Sucrose, Ascorbic Acid, Corn Starch, Shellac, Hydroxypropylcellulose, Polyvinylpolypyrrolidone, Hydrated Magnesium Silicate, Acetylated Starch, Sodium Carbonxymethylcellulose, Glycerol.