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Vitamin D powder Vitamin D 1406-16-2
99% CAS No.1406-16-2 pure high quality vitamin d
Vitamin D is a steroid derivative, with the role of anti-rickets, also known as anti-rickets vitamin. Vitamin D is also now considered a steroid hormone, vitamin D family is the most important members of VD2 and VD3. Vitamin D is a derivative of the type of the original irradiated by UV. Plants contain vitamin D, but vitamin D original moving, plants are present. Vitamin D is a fat-soluble vitamin, there are five compounds, more closely related to health are vitamin D2 and vitamin D3. They have the following three characteristics: it occurs in some natural foods; human skin cholesterol stores a generated from 7 - dehydrocholesterol, that the irradiation of ultraviolet rays, can be converted to vitamin D3. Adequate enough to meet the needs of sunbathing vitamin D in the body.
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