One Alpha 0.25mg Capsules (100) contains alfacalcidol, a form of active vitamin D. It is used to manage calcium and phosphate balance in the body, particularly in individuals with conditions such as osteoporosis, chronic kidney disease, or hypocalcemia. Alfacalcidol helps increase calcium absorption in the intestines and regulates calcium levels, promoting bone health. The product comes in a bottle of 100 capsules, offering a long-term supply for individuals needing supplementation to support calcium metabolism and bone health.