[ad_1] Ergocalciferol, or vitamin D2, is commonly found in milk and supplements and is essential for calcium absorption and bone development. It is used to treat hypoparathyroidism, familial hypophosphatemia, and refractory rickets, but caution is advised for patients with hypercalcemia or malabsorption syndrome. Excessive intake can lead to toxicity and symptoms such as constipation and […]