Caltop-CZ capsule is used to ensure adequate supply of calcium to bones. It contains Calcium Citrate,Vitamin D3(cholecalciferol),Zinc and Magnesium. Role of key ingredients: Calcium Citrate is a mineral that is required for the formation of bones and maintaining them. Calcium Citrate is required to prevent breakage of bones. Calcium is used to prevent or treat low blood calcium levels in people who do not get enough calcium from their diets. Vitamin D3 is well known for its anti-osteoporotic activity. Vitamin D3 enhances the efficiency of calcium absorption. Therefore, vitamin D3 supplementation is expected to protect against osteoporosis and fractures in those with occult vitamin D3 deficiency. Zinc and Magnesium are necessary for bone mineralization and bone matrix formation. Caltop-CZ is a nutritional supplement which can be taken by people who have low levels of calcium in their blood.Caltop-CZ is used in elderly people to keep bones healthy and strong, and is even effective in Chronic arthritis and Osteoporosis. Use under medical supervision.