... the skin to add their own defense system to resist and repair a variety of external or internal factors such as unhealthy ... extract (vitamins B1, B2, B6/B12, folic acid and hydrochloric acid ), selenium, a carboxymethyl starch sodium, calcium gluconate, zinc gluconate, colorless ... capsules every night before going to bed . [Storage method]: sealed, and keep in a cool dry place.[Shelf life]: 36 months