Have Vitamin D3 and B12 deficiency? Here's why you shouldn't take it lightly - Hindustan Times

Deficiency of Vitamin D3 and B12 is so common that ‘every second patient is running on critically low levels of these’ yet many think this isn't a big deal. Health expert reveals the alarming shortcomings and warning signs of its deficiency  | Health

For the uninitiated, vitamin D helps increase the ability of our immune system to ward off infections hence, people with vitamin D deficiency or insufficiency are at a higher risk of developing infec… [+3525 chars]

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