What is vitamin D?

Some individuals are already aware of how vitamin D keeps your teeth and bones healthy.

But it's also essential for a healthy immune system, which helps your body build resistance

to several diseases. Our immune cells work to defend our bodies from viruses that might

infect us, and vitamin D can help them work more effectively. Higher vitamin D levels have

previously been shown to possibly lower the risk of the common cold and the flu, as well as

the likelihood of developing viral respiratory infections in general.  In those who are vitamin D

deficient, vitamin D supplementation reduces other forms of viral respiratory infection by 70%.

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