Medically reviewed by Soma Mandal, MD A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in ...

Nutrient deficiencies can cause various symptoms including headaches Here’s how to identify if your headache might be linked ...

“In some countries, at-home vitamin D deficiency tests are available, but they require a finger prick blood sample. To determine vitamin D sufficiency status in a more convenient and less ...

People who join would be sent pills in the post to take daily for six months if a finger-prick test shows they ... Should I take vitamin D? Vitamin D deficiency is more common in older people ...

A review of the various factors that can cause vitamin D deficiency are found in Table 1 (Wolpowitz & Gilchrest, 2006). Table 1 demonstrates how easy it is to become deficient in this vitamin.

Vitamin D is one of those nutrients that touches practically every inch of your body, from muscles and bones to nerves and ...

Such vitamins include vitamin D, which play important roles in immune function, bone health, and cognitive development. Therefore, it is absolutely essential to know early signs of deficiency.

Experts reveal everything you need to know about vitamin D, from how likely you are to be deficient, to which supplements to buy and how much is enough ...