Supplement Series: Vitamin D3

Vitamin D is not just a vitamin. It is a fat-soluble pro-hormone. It is obtained through the action of sunlight on skin and scarcely sourced from dietary sources. The action of specific ultraviolet sunlight on skin converts 7-dehydrocholesterol to pre-vitamin D3, which is then metabolised to vitamin D3. Functions: Improves immune system – Prietl et […]

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