Contains calcium, magnesium, vitamin D3, vitamin K2, and horsetail extract. This product features highly soluble calcium salts to reduce the risk of deposition in the kidneys. It includes horsetail herb for strengthening hair and nails and enhancing hair shine. Comprising six different calcium salts with high absorption, it increases the activity of bone-forming cells, helps prevent osteoporosis, improves bone growth and strength, and treats calcium deficiency.