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Essay / Research Paper Abstract
In this 12 page research paper, the writer discusses vitamins, the functions of specific vitamins, recommended dietary allowances, how vitamins can help the sick, vitamins as anti-oxidants and more. The role that vitamins play in physical fitness /body-building is presented as well. No Bibliography.
Page Count:
12 pages (~225 words per page)
File: D0_Vitamins.doc
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Unformatted sample text from the term paper:
in the body to a limited extent, and vitamins B12 and K, which are synthesized by bacterial flora in the intestinal tract. Minerals also must be obtained from outside
sources. Vitamins and minerals function as "co-factors" in the metabolism of products in the body. Most aspects of bodily metabolism proceed with the aid of specific enzymes, but
if additional catalysts were not present; for example, the co-factor vitamins and minerals, the reactions would proceed so slowly that they would be ineffective (Lazear, 1987).
A diet containing generous amounts of fresh vegetables, fruits, dairy products, and meat assures an adequate intake of vitamins and minerals. Extra vitamin intake is not necessary for
normal health. Dietary supplements of vitamins are often recommended by physicians when any of the following conditions are present: unusual diets obviously deficient in vitamins (insufficient intake); conditions
or diseases causing poor intestinal absorption; and increased tissue requirements that occur in relatively healthy individuals during periods of growth, hard physical work, pregnancy, lactation, and menstruation. Some disorders,
including hyperthyroidism, infectious diseases accompanied by fever, and tissue-wasting diseases, also cause increased tissue requirements (Lazear, 1987). Two principal types of multivitamin preparations are available
to the public and the medical profession: supplemental, or prophylactic; and therapeutic. Supplemental vitamins contain a range of one-half to one-and-a-half times the RDA requirements except for vitamin D,
which should not exceed 400 international units (IU) and vitamin A, which should not exceed 1,000 Retinol equivalents. These multivitamin preparations are designed to help prevent disease and to
supplement the diet in cases of unusual stress and other such situations. Therapeutic multivitamin preparations are prescribed by physicians only for deficiency states and for the nutritional support of
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