Overview

A vitamin is an organic compound required as a nutrient in tiny amounts by an organism. A compound is called a vitamin when it cannot be synthesized in sufficient quantities by an organism, and must be obtained from the diet. Thus, the term is conditional both on the circumstances and the particular organism. For example, ascorbic acid functions as vitamin C for some animals but not others, and vitamins D and K are required in the human diet only in certain circumstances.

Vitamins are classified by their biological and chemical activity, not their structure. Thus, each "vitamin" actually refers to a number of vitamer compounds, which form a set of distinct chemical compounds that show the biological activity of a particular vitamin. Such a set of chemicals are grouped under an alphabetized vitamin "generic descriptor" title, such as "vitamin A," which (for example) includes retinal, retinol, and many carotenoids. Vitamers are often inter-convertible in the body. The term vitamin does not include other essential nutrients such as dietary minerals, essential fatty acids, or essential amino acids, nor does it encompass the large number of other nutrients that promote health but are otherwise required less often.

Thursday, March 12, 2009

How to Grow Taller and Increase Height by Correcting Your Posture

wonder, how can we achieve greater and the amount? Although you may have heard that it's not really possible to level after puberty, but it is always possible to see a few inches to your height by correcting your posture itself.

It's no wonder that the drug may be the growth after puberty. Some exercises may help people to correct posture. You will be surprised how much the amount hidden in your slouched black. You can spend a few centimeters by improving your posture.

Hanging ? - Hanging is a very simple exercise. They just hang from a bar. This helps to extend and strengthen your spine. Every action has equal and opposite reaction. The bar is hanging and the gravitational pull of the earth, pull you down. This helps the spine to relax and stretch for better posture.

Toe Touch - Standing with his hands high above his head bend over and touch your toes. You should be as straight as possible. If necessary, you can turn a bit keen. Each repetition should be 2-3 seconds.

Two legs straight up ? - Lying face down with your palms down on the sides, you should raise your legs together as high as possible. Your feet must be together. Each repetition should be 3 seconds.

departure? - Standing together with hands and arms behind him, slowly bend at the waist much as possible. Now slowly swing the arms as far as possible behind you. Each repetition should be 4-6 seconds.

In addition to these stretching exercises jogging, swimming and kickboxing can also help improve your posture and help you turn a few centimeters in height.

 

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Article Source: http://EzineArticles.com/?expert=Chris_Veekay

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