From let’s say late march (spring) to September, our bodies generate Vitamin D when exposed to direct sunlight indoors or outdoors. However, for the rest of the months (late September to early march) in polar and temperate zones, Sunlight does not have enough UVB (Ultraviolet B) radiation which interacts with a protein called 7-Dehydrocholesterol (7-DHC) in our skin and converts it to vitamin D3, the active form of vitamin D. So, throughout these months, mostly winter, our bodies depend on Vitamin D food sources (this includes fortified foods) and/or dietary supplements.
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Who should be taking vitamin D supplements?
According to the National Institute of health Certain groups of people might need dietary supplements to meet their vitamin D requirements because they are most likely to have vitamin D deficiency.
These groups include;
- Breastfed infants (all babies from…
