and this is why many laboratories report the normal range of vitamin D to be so wide (20 to 40 ng/ml, or in some cases, 50 to 100 nmol). However, this is tantamount to saying a normal total ...

According to new research published in the "Journal of the Endocrine Society," vitamin D supplementation can lower blood ...

Vitamin D, also known as the "sunshine vitamin," does much more than strengthen bones; it can support the immune system, lift ...