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vitamins

vitamins. VITAMINS. Vitamins are natural substances found in plants and animals and known as Essential nutrients for human beings. The name vitamin is obtained from "vital amines" as it was originally thought that these substances were all amines.

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vitamins

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  1. vitamins

  2. VITAMINS • Vitamins are natural substances found in plants and animals and known as Essential nutrients for human beings. • The name vitamin is obtained from "vital amines" as it was originally thought that these substances were all amines. • Human body uses these substances to stay healthy and support its many functions. • There are two types of vitamins: water-soluble and fat-soluble.

  3. Cont. • The fat-soluble vitamins include vitamins A, D, E and K • The body needs vitamins to stay healthy and a varied diet usually gives you all the vitamins you need. • Vitamins do not provide energy (calories) directly, but they do help regulate energy-producing processes. With the exception of vitamin D and K, vitamins cannot be synthesized by the human body and must be obtained from the diet. • Vitamins have to come from food because they are not manufactured or formed by the body.

  4. Characteristics of the vitamins are: • Most of the vitamins have been artificially synthesized. • Some of vitamins are soluble in water and others are fat-soluble. • Some vitamins are synthesized in the body. Some members of vitamin B complex are synthesized by microorganisms in the intestinal tract. • Vitamins are partly destroyed and are partly excreted. • Vitamins can be stored in the body to some extent, for example the fat-soluble vitamins are stored in the liver and subcutaneous tissue. • Vitamins can perform their work in very small quantities. Hence, the total daily requirement is usually very small.

  5. CONCLUSION • There are 13 essential vitamins and each one has a special role to play within the body, helping to regulate the processes such as cell growth and repair, reproduction and digestion • Vitamins can perform their work in very small quantities. Hence, the total daily requirement is usually very small.

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