Defy bone aging with Major calcium and a high level of vitamin D-3: Adequate calcium and vitamin D throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis.
One dose is two caplets; each dose contains: 200 IU vitamin D (as cholecalciferol) and 500 milligrams of oyster shell calcium.
Compare to active ingredient in Os-Cal® – a registered trademark of Aventisub LLC.