12/case directions: as a dietary supplement, take four (4) capsules once a day with food. Consult your healthcare practitioner before use. Serving size: four (4) capsules ingredients: calcium 500 mg (from aquamin red algae (from lithothamnium sp thallus) and seawater) magnesium (from aquamin seawater) 250 mg sodium 15 mg other ingredients: vegetable cellulose (capsule), microcrystalline cellulose, calcium silicate. 02/09/17