It is synthesized by the skin in response to sunlight and must be activated through a two-step process. In its initial form, vitamin D is inactive and needs to be converted into its biologically ...

No matter what the source, though, vitamin D must be activated within the body—first through the liver, which converts vitamin D to calcidiol, and then in the kidney, which forms what's known as ...

Commonly used calcium supplement Shelcal 500 and antacid Pan D are among the four drugs flagged as spurious by the Central ...