home care health: Vitamin D 4 - Different Types of Vitamin D You Didn't Know Existed

A vitamin is an organic molecule (or a set of molecules nearby united chemically, i.e. vitamers) that is an valuable micronutrient which an organism needs in little quantities for the proper energetic of its metabolism. critical nutrients cannot be synthesized in the organism, either at every or not in sufficient quantities, and fittingly must be obtained through the diet. Vitamin C can be synthesized by some species but not by others; it is not a vitamin in the first instance but is in the second. The term vitamin does not intensify the three additional groups of necessary nutrients: minerals, necessary fatty acids, and valuable amino acids. Most vitamins are not single molecules, but groups of united molecules called vitamers. For example, there are eight vitamers of vitamin E: four tocopherols and four tocotrienols. Some sources list fourteen vitamins, by including choline, but major health organizations list thirteen: vitamin A (as all-trans-retinol, all-trans-retinyl-esters, as without difficulty as all-trans-beta-carotene and supplementary provitamin A carotenoids), vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B3 (niacin), vitamin B5 (pantothenic acid), vitamin B6 (pyridoxine), vitamin B7 (biotin), vitamin B9 (folic prickly or folate), vitamin B12 (cobalamins), vitamin C (ascorbic acid), vitamin D (calciferols), vitamin E (tocopherols and tocotrienols), and vitamin K (phylloquinone and menaquinones).

Vitamins have diverse biochemical functions. Vitamin A acts as a regulator of cell and tissue accrual and differentiation. Vitamin D provides a hormone-like function, variable mineral metabolism for bones and extra organs. The B mysterious vitamins sham as enzyme cofactors (coenzymes) or the precursors for them. Vitamins C and E be in as antioxidants. Both deficient and excess intake of a vitamin can potentially cause clinically significant illness, although excess intake of water-soluble vitamins is less likely to realize so.

Before 1935, the isolated source of vitamins was from food. If intake of vitamins was lacking, the consequences was vitamin lack and consequent want diseases. Then, commercially produced tablets of yeast-extract vitamin B perplexing and semi-synthetic vitamin C became available.

This was followed in the 1950s by the increase production and publicity of vitamin supplements, including multivitamins, to prevent vitamin deficiencies in the general population. Governments mandated complement of vitamins to staple foods such as flour or milk, referred to as food fortification, to prevent deficiencies. Recommendations for folic critical supplementation during pregnancy edited risk of infant neural tube defects.

The term vitamin is derived from the word vitamine, which was coined in 1912 by Polish biochemist Casimir Funk, who forlorn a mysterious of micronutrients necessary to life, all of which he presumed to be amines. next this presumption was far ahead determined not to be true, the "e" was dropped from the name. every vitamins were discovered (identified) with 1913 and 1948.

Vitamin D 4,000 IU, Maximum Strength – Vita Premium