The D stands for nothing. It was discovered 4th after A, B, C and hence they named it as D.
The term "vitamin D" refers to several different forms of this vitamin. ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3). Vitamin D2 synthesized by plants. Vitamin D3 is synthesized by humans in the skin. D is the fourth letter in the Latin alphabet and the vitamin D was the fourth vitamin discovered.
Tests level of 25 hydroxy vitamin D
Vitamin D is produced by ultraviolet radiation on your skin. The UV light converts a precursor molecule to vitamin D.
Tests level of 25 hydroxy vitamin D
Vitamin D (disambiguation).
I know that vitamin d is one isn't vitamin e another?
Vitamins A , C and D. Calcium also helps
Vitamin a, Vitamin b, vitamin c.
is vitamin d a compound?
Vitamin D comes from sunshine exposure and works with the mineral calcium. "Sunshine vitamin" is the nickname for vitamin D because the human body produces vitamin D through exposure to the UV rays of the Sun.
it is a vitamin.
Yes, why else would it be called vitamin D if not?