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Name: Vitamin D2

Synonyms: Calciferol; Ergocalciferol; Oleovitamin D2; 9,10-Secoergosta-5,7,10,22-tetraen-3-ol

Molecular Formula: C28H44O

Molecular Weight: 396.65

CAS Number: 50-14-6

EINECS: 200-014-9

Vitamin D2 is also called ergoalcifediol. Vitamin D2 has important effect on adjusting the in vivo metabolize of calcium and phosphorus. Vitamin D2 is an essential nutrient that maintains plasma calcium and phosphate levels. Vitamin D2 is manufactured by irradiation of ergosterol(E). Vitamin D2 is actually one of two forms of vitamin D. Vitamin D2 occurs naturally in plants. The compounds that make up D2 are actually broken down in the liver and kidneys before the body can use them. They´re used to make hormones in the parathyroid gland and regulate calcium and phosphorous in the blood, two elements that build strong bones and teeth. Vitamin D2 is as effective as vitamin D3 in maintaining concentrations of 25-hydroxyvitamin D. Vitamin D2 deficiency may occur as a result of inadequate nutrition, intestinal malabsorption, or lack of exposure to sunlight, but does not occur in healthy individuals receiving an adequate balanced diet and exposure to sunlight.

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