Each tablet contains: Diamine Oxidase (DAO) enzyme (range of 20,000-30,000 HDU per tablet from pig kidney protein extract) in a small 5mm tablet. Fillers: Microcrystalline cellulose, hydroxypropyl cellulose. Glazing agent: ethyl cellulose, potato starch. Stabilizers: sodium alginate, magnesium stearate, medium chain fatty acids. Glossing agent: hydroxypropyl methylcellulose. Stabilizers: oleic acid, stearic acid.