The very existence of the essential vitamin D, or “sunshine vitamin,” was not established until the present century, but its imprint upon history goes back a million years or more. According to a ...

Vitamin D exists in two forms, vitamin D2 and vitamin D3, which differ in the structure of their side chains that are known as ergocalciferol and cholecalciferol, respectively. Image Credit: Peter ...

Neurodegenerative diseases like Alzheimer's, Parkinson's, and Huntington's disease are characterized by the progressive loss of neurons. The resulting debilitating symptoms, such as loss of memory and ...

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Vitamin K is a group of fat-soluble vitamins required for the synthesis of proteins needed for blood coagulation and for the proteins required for calcium binding in bones and other tissues.