Alfacalcidol
Alfacalcidol is a source of vitamin D which is used as a supplement for human to improve bone health. It is mainly used to treat osteoporosis by stimulating the intestinal calcium absorption, increases urinary excretion and suppresses parathyroid hormone secretion. It is mainly used for old people for increasing the bone strength. Alfacalcidol can also be used as a poultry feed additive to enhance the quality of the food items. This composition is very important for regulating the calcium balance and bone metabolism. It is mild toxic in its nature and its overdose may result in side effects like vomiting, weakness, headache, dry mouth, constipation and muscle pain.