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.

The Vitamin D Blood Test (25-OH Vitamin D): Who, How, When, and Where Clinically speaking, things began to change in the 1970s when the blood test for vitamin D (known as the "25-OH vitamin D ...

10 mcg = 400 IU. 15 mcg = 600 IU. 20 mcg = 800 IU. It is much easier to access the patient’s need after a vitamin D blood test. Few individuals would allow their clinician to simply guess an ...

“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 ...

Peeing more than usual and feeling more thirsty are symptoms of too much vitamin D. Learn why overdosing on vitamin D is ...

In our fast-paced world, essential nutrients often take a backseat in our daily routines. Among these, vitamin D stands out ...

Read each question carefully and answer as truthfully as possible. After finishing the Vitamin Test, you will receive a detailed, personalized interpretation of your score that includes diagrams ...

As far as bone health goes, vitamin D plays an important role because it maintains calcium and phosphorus balance by promoting absorption. Vitamin D is usually added to milk to increase calcium ...