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.

Saturday, June 20, 2009

Are You Stuck Being Short? Here Are the Most Stunning Ways to Grow Taller When it Seems Hopeless

too short gives people a complex, especially if you have a group of friends who are all above average in height. Your body grows to its maximum until the age of eighteen years, after which you stuck with whatever amount you grow.

It is possible to make a significant difference in the level with some effort during your growing age. Regular exercise can help a child grow and grow larger to a maximum level of capacity. Here are a few tips that are effective in increasing the height of a person -

Tip 1 - The participation in many sporting activities is an excellent idea. This helps to stretch and keep the muscles, especially the leg muscles active. As your children to participate in a sport is a significant difference in its height.

Tip 2 - You can also, by certain supplements during or after their sporting activities. However, it is important that we get the right supplement. This is because some of the pills with side effects, it is imperative to ensure good quality pills from authorized shops. Supplements at the right age and exact proportion to reasonable growth.

Tip 3 - Some people, on injecting hormones in the body, leading to an increase in height. This process provides a person with a permanent increase in the amount of at least five centimeters. It is an expensive and costly procedure if the procedure works well and produces some undesirable effects on others.

Tip 4 - Limb extension is a simple surgical procedure in which rods are both inside and outside the limb. These poles are from time to time, which results in an increase in height up to one inch in a month.

 

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

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