Why you should be taking more Vitamin D in winter?


Who should be taking Supplements | Vitamin D Food Sources | Vitamin D Health Roles

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Photo Anna Shvets from pexels

Written by Sumayyah Namusabi


Updated: 2021-02-25


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.


Continue reading below

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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;



Vitamin D supplements may interact with several types of medications. So always speak to your healthcare providers if you are unsure or on other daily medications.


Vitamin D food sources



Roles of Vitamin D to our Health


Bone health: We need vitamin D to aid our bodies absorb calcium and phosphate from our diet. These minerals are essential for healthy bones, teeth and muscles. Vitamin D deficiency in children, for example, can cause rickets and osteomalacia (bone pain and tenderness) in adults.


Depression: Vitamin D receptors exist on neurons and glia in areas of the brain thought to be involved in the pathophysiology of depression. Studies show that low levels of vitamin D or vitamin D deficiency is associated with depression.


Anti-inflammatory properties: Vitamin D plays a role in reduction of inflammation as well as modulation of such processes as cell growth A meta-analysis showed evidence that vitamin D supplementation may lessen chronic low-grade inflammation in patients with type 2 diabetes.


Note


According to the National Heal Service UK, one is advised not to take more than 100μg (100 micrograms is equal to 0.1 milligrams) of vitamin D a day, for it could be harmful. Children aged 1 to 10 shouldn't take more than 50μg a day, while babies under 12 months shouldn't have more than 25μg a day. So, if unsure, always consult a health care provider.



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