Vitamin D supplements: are they really g
Description
There is no doubt that our bodies need vitamin D. It helps regulate the absorption of calcium and phosphorus in our bones, helps our cells to communicate with each other, and helps strengthen our immune system. But can vitamin D supplementation really offer additional health benefits?Previous research suggests it can. But other studies indicate that vitamin D supplementation does not do any more than promote bone and immune system health and is only useful for people who have a vitamin D deficiency.
We look at both sides of the argument in an attempt to determine whether vitamin D supplementation really is good for us.
How vitamin D works
Vitamin D is a fat-soluble vitamin. There are five forms of the vitamin – D1, D2, D3, D4 and D5.
However, vitamins D2 and D3 appear to be the most impo
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