Ada Green

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  • in reply to: Vitamin D2 and D3 #17559

    Ada Green
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    Here is something about Vitamin D5 as a supplement to this topic. Hope it can be helpful.

    Vitamin D5, a member of the family Vitamin D which was discovered by Edward Mellanby in 1919 during his classic experiments with rickets, is about 180-fold less active than vitamin D3, in calcification of rachitic cartilage and about 100- to 200-fold less active in induction of bone calcium mobilization. In stimulation of intestinal-calcium transport, vitamin D5 is about 80 fold less active than vitamin D3.

     

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