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

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 ...

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 ...