Monday, December 29, 2008

What are vitamins and how do they work?

What is a vitamin?

A vitamin is a small molecule that your body needs to carry out a certain reaction. Your body has no way to create vitamin molecules itself, so the vitamin molecules must come in through food that you eat. The human body is known to need at least 13 different vitamins. These vitamins are divided into fat soluble and water soluble.


List of vitamins

Water Soluble
B1 - Thiamine
B2 - Riboflavin
B3 - Niacin
B5 - Pantothenic acid
B6 - Pyridoxine
B7 - Biotin
B9 - Folic acid
B12 - Cyanocobalamin
Vitamin C - Ascorbic acid

Fat Soluble
Vitamin A - Retinol
Vitamin D - Calciferol
Vitamin E - Tocopherol
Vitamin K - Menaquinone


How are they used?



A lot of people think vitamins can replace food, but they can't. They should be taken with a meal so that they can be properly assimilated. Vitamins regulate metabolism, help convert fat and carbohydrates into energy, along with many other functions of the body. For example, one use of Vitamin C is in the formation of collagen. Without vitamin C, collagen cannot be produced and the first signs of this are very weak blood vessels and loose teeth. The body is able to store some vitamins while other vitamins need to be constantly re-supplied.

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