ERGOCALCIFEROL CAPSULES, USP, is a synthetic calcium regulator for oral administration.

Ergocalciferol is a white, colorless crystal, insoluble in water, soluble in organic solvents, and slightly soluble in vegetable oils. It is affected by air and by light. Ergosterol or provitamin d2 is found in plants and yeast and has no antiarichitic activity.

There are more than 10 substances belonging to a group of steroid compounds, classified as having vitamin D or antiarichitic activity.

One USP Unit of vitamin D2 is equivalent to one International Unit (IU), and 1 mcg of vitamin D2 is equal to 40 IU.

Each softgel for oral administration, contains Ergocalciferol, USP 1.25 mg (equivalent to 50,000 USP units of Vitamin D), in an edible vegetable oil.

Ergocalciferol, also called vitamin D2 , is 9. 10-secoergosta-5,7,10(19),22-tetraen-3- 01,(3b,5Z,7E,22E)-, (C₂₈H₄₄O) with a molecular weight of 39665.  Its structural formula is:

Inactive Ingredients: Refined soybean oil, gelatin, glycerin. purified water, methylparaben, D&C Yellow 10, propylparaben, and FD&C Blue #l.

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