Which vitamin is also known as Calciferol?
Vitamin D decrease in mortality in elderly people, and another concluding no clear justification exists for recommending supplementation for preventing many diseases, and that further research of similar design is unneeded in these areas. Several forms (vitamers) of vitamin D exist. The two major forms are vitamin D or ergocalciferol, and vitamin D or cholecalciferol; vitamin D without a subscript refers to either D or D or both. These are known collectively as calciferol. Vitamin D was chemically characterized in 1931. In 1935, the chemical structure of vitamin D was established and proven to result from the ultraviolet irradiation of 7-dehydrocholesterol. Chemically,
Vitamin K calcification of arteries and other soft tissues. Chemically, the vitamin K family comprises 2-methyl-1,4-naphthoquinone (3-) derivatives. Vitamin K includes two natural vitamers: vitamin K and vitamin K. Vitamin K, in turn, consists of a number of related chemical subtypes, with differing lengths of carbon side chains made of isoprenoid groups of atoms. Vitamin K, also known as phylloquinone, is made by plants, and is found in highest amounts in green leafy vegetables because it is directly involved in photosynthesis. It may be thought of as the plant form of vitamin K. It is active as a vitamin in animals and