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

Learn about the best time of day and way to take vitamin D and if you should consider a supplementing with this nutrient.

Over the past few decades, the "normal" blood level of vitamin D (25-OH vitamin D) was based on the amount needed to keep PTH from becoming abnormally high. Again, PTH at high levels can cause ...

You might have heard that vitamin D can be crucial for bone health, and that taking supplements may be in order if you're not getting enough naturally from sunlight or from D-rich foods like eggs ...

This article is based on reporting that features expert sources. “The association between vitamin D deficiency and depressive disorders is well established based on the existing research ...

Study after study has linked low vitamin D levels with various diseases, such as MS, Alzheimer’s, diabetes, heart disease and cancer, to name a few. This has led to assume that taking extra ...

Vitamin D deficiency is becoming increasingly prevalent among both young and old, primarily due to sedentary lifestyles and a disregard for essential nutrients in our diets. The absence of Vitamin ...

Imagine Vitamin D as your body’s solar-powered nutrient, vital for keeping our bones robust, our immunity sharp, and our hearts healthy. Often dubbed the “sunshine vitamin,” it’s a key player in our ...

However, 800 to 1,000 IU is the dose that may have a better chance of giving a patient a normal vitamin D level. In some countries, vitamin D is listed in micrograms, and the relationship is as ...