Learn how lower vitamin D levels in winter can affect your calcium balance, why it matters for bone health, and what you can ...

Vitamin D levels can be measured with a blood test. This test can indicate whether you have adequate levels, are at risk of a ...

I had lab work done recently and received a panic call from the doctor’s office that my vitamin D level was 29 ng/mL. I ...

Vitamin D report that says "50" can mean two completely different things. One is excellent and the other is worryingly low. The only difference is the unit. That's the entire message of Dr Arjun ...

Vitamin D deficiency impacts more than 1 billion people worldwide. Vitamin D deficiency can negatively affect a child’s growth, immune response, mental health, and more, which is why proper treatment ...