

Follow all directions on the product package. Vitamin D is best absorbed when taken after a meal but may be taken with or without food. Vitamin D drops (or other supplements) are given to breast-fed infants because breast milk usually has low levels of vitamin D. It may be used in kidney disease to keep calcium levels normal and allow normal bone growth. Vitamin D is also used with other medications to treat low levels of calcium or phosphate caused by certain disorders (such as hypoparathyroidism, pseudohypoparathyroidism, familial hypophosphatemia). Vitamin D with calcium is used to treat or prevent bone loss (osteoporosis). Sunscreen, protective clothing, limited exposure to sunlight, dark skin, and age may prevent getting enough vitamin D from the sun. Vitamin D is made by the body when skin is exposed to sunlight. Vitamin D is used to treat and prevent bone disorders (such as rickets, osteomalacia). Having the right amount of vitamin D, calcium, and phosphorus is important for building and keeping strong bones.
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Vitamin D (ergocalciferol-D2, cholecalciferol-D3, alfacalcidol) is a fat-soluble vitamin that helps your body absorb calcium and phosphorus.
