A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in your blood. It can indicate whether the vitamin D levels in your body are low or high. Low vitamin D levels ...

Tested Methods. By Rolf Strohecker and Heinz M. Henning. Translated by D. D. Libman. Pp. 360. (Weinheim/Bergstr.: Verlag Chemie, G.m.b.H., 1965.) 48 D.M.; 12 dollars.

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 ...

Vitamin D2 aids calcium absorption, strengthens bones, and supports immunity. Found in plants, it's used to treat 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 ...

(Quest Diagnostics). These companies provide a wide range of vitamin D testing products, including Abbott's ARCHITECT 25-OH Vitamin D assay, which is a chemiluminescent microparticle immunoassay (CMIA ...

A 2017 study showed an increase in vitamin D deficiency diagnoses — which researchers linked to an uptick in vitamin D test ...