home care health: Vitamin D3 - Jarrow Formulas : Vitamin D3

A vitamin is an organic molecule (or a set of molecules next door to partnered chemically, i.e. vitamers) that is an critical micronutrient which an organism needs in small quantities for the proper in force of its metabolism. essential nutrients cannot be synthesized in the organism, either at all or not in ample quantities, and correspondingly 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 increase the three additional groups of essential nutrients: minerals, vital fatty acids, and vital amino acids. Most vitamins are not single molecules, but groups of similar 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 well as all-trans-beta-carotene and extra 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 biting 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 buildup and differentiation. Vitamin D provides a hormone-like function, amendable mineral metabolism for bones and extra organs. The B mysterious vitamins deed as enzyme cofactors (coenzymes) or the precursors for them. Vitamins C and E accomplishment 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 pull off so.

Before 1935, the and no-one else source of vitamins was from food. If intake of vitamins was lacking, the repercussion was vitamin deficiency and consequent nonappearance diseases. Then, commercially produced tablets of yeast-extract vitamin B obscure and semi-synthetic vitamin C became available.

This was followed in the 1950s by the growth production and marketing of vitamin supplements, including multivitamins, to prevent vitamin deficiencies in the general population. Governments mandated auxiliary 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 condensed 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 unaccompanied a technical of micronutrients vital to life, every of which he presumed to be amines. later this presumption was highly developed clear not to be true, the "e" was dropped from the name. all vitamins were discovered (identified) between 1913 and 1948.

Vitamin D3 5000IU Natural By Solgar - 240 Vegetable Capsules