April 25, 2008

Vitamin Supplements Detailed Overview

dr rony asked:


Vitamins are a group of organic food substances or nutrients that further found only in living things, plants and animals. Vitamins are totally divided into two classes based on their solubility. These fat-soluble vitamins include vitamin D, vitamin E, vitamin A, and vitamin K. The water-soluble vitamins are such folate (folic acid), vitamin B12, biotin, vitamin B6, niacin, thiamin, riboflavin, pantothenic acid, and vitamin C (ascorbic acid). Fat-soluble vitamins those contain only carbon, hydrogen, and oxygen while water-soluble vitamins although contain these three elements plus nitrogen and some-times sulfur. Fat-soluble vitamins those can be stored in appreciable amounts in the body and the water-soluble vitamins such cannot be stored in the body. Vitamins are actual necessary in small amounts for normal metabolism and good health. Vitamins and minerals have no calories and so are not an energy source, but assist in to metabolizing nutrients in food and are important in keeping your body running smoothly. Vitamins make it much more possible for other nutrients to be digested, absorbed and then metabolized by the body. Vitamins are often referred to as the "spark plugs" of our human machine. They are so required to do many things and their excess or depletion can lead to acute and chronic disease. Functions of vitamins in human body ________________________________________ Vitamins promote the regular growth, and to provide a proper metabolism, and ensure good health and protect against the such certain diseases. Vitamin is often required by the body in such a small amounts for metabolism, to protect health, and also for proper growth in children. Vitamins consequently assist in the formation of hormones, blood cells, also for nervous-system chemicals, and genetic material. Vitamins mostly serve as the catalysts for certain reactions in the body. They combine with the proteins to create metabolically active enzymes that in turn produce hundreds of vital chemical reactions during the body. There end we would no longer be able to survive. Vitamins help to get properly regulate the metabolism, also help to convert fat and carbohydrates into energy, and then assist in the forming bone and tissue. Fat soluble vitamins ________________________________________ Vitamin A - Vitamin A is the major collective name for a group of fat-soluble vitamins. The actual most useable form of the vitamin is retinol. Vitamin A is also one of the most versatile vitamins, with roles in such diverse functions those as vision, immune defenses, maintenance of the body linings and skin, bone and body growth, also for normal cell development, and then reproduction . Vitamin D - Vitamin D in fact refers to a group of steroid molecules. Vitamin D is called the sunlight vitamin and because the body produces it when the sun's ultraviolet B (UVB) rays strike the skin. Vitamin D is also important for the proper absorption of calcium from food. Vitamin E - Vitamin E is in fact an umbrella term for a group of compounds called tocopherols and tocotrienols. Alpha-tocopherol is the name of the most active form of vitamin E in therefore humans. Vitamin K - Vitamin K is a more versatile group of 2-methilo-naphthoquinone derivatives. Vitamin K is therefore involved in the carboxylation of certain glutamate residues in the proteins to form gamma-carboxyglutamate residues. Water soluble vitamins ________________________________________ Vitamin B1 (thiamine) - Vitamin b1 is totally essential to several bodily functionsVitamin B1 is more essential for the body to be able to use carbohydrate as an energy source and as well as for metabolising amino acids. Thiamin is further available in nutritional supplements in the form of thiamin hydrochloride and thiamin nitrate. Vitamin B2 (riboflavin) - Riboflavin or vitamin B2 is an essential nutrient in human nutrition and plays a key role in the production of energy. Vitamin B2 is an intermediary the transfer of electrons in the cellular oxidation-reduction reactions which generate energy from protein, carbohydrate and fat. Vitamin B2 helps prevent and is used to treat migraine headaches, cataracts, rheumatoid arthritis, and a number of skin disorders such as acne (acne rosacea), dermatitis, and eczema. Vitamin B3 (niacin) - Vitamin B3 is also known as niacin, nicotinic acid, nicotinamide, niacinamide and antipellagra vitamin or PP factor. Vitamin B3 is essential in the metabolism of carbohydrates (to produce energy), fats, and proteins. Vitamin B6 (pyridoxine) - Vitamin B6 (pyridoxine) serves as coenzyme and is involved in the metabolism of protein and carbohydrates, the production of insulin and red and white blood cells, and the synthesis of neurotransmitters, enzymes, and prostaglandins. Pantothenic acid (vitamin B5) - Pantothenic acid is an antioxidant water-soluble vitamin needed to break down carbohydrates, proteins, and fats. Pantothenic acid comes in two forms: calcium pantothenate and pantethine. Biotin (vitamin H, vitamin B7) - Biotin is of great importance for the biochemistry of the human organism. Biotin helps in the synthesis of fatty acids, in energy metabolism, and in the synthesis of amino acids and glucose. Folic acid (folate, vitamin B9) - Folate and folic acid are forms of a water-soluble B vitamin. Folic acid is a synthetic folate form which is used for food fortification and nutritional supplements. Vitamin C (ascorbic acid) - Vitamin C, also known as ascorbic acid is a water-soluble vitamin that is an essential part of life. Vitamin C is perhaps the most popular vitamin among the common nutrients and biochemicals. Vitamin deficiencies and human health ________________________________________ Vitamins are of vital importance in maitaining hunman health. Deficiencies of most of the vitamins will result in corresponding diseases. A deficiency of vitamin A can cause retarded skeletal growth, night blindness, various abnormalities of the skin and linings of the genitourinary system and gastrointestinal tract. Thiamin deficiency can lead to muscular weakness, leg cramps, slow heartbeat, irritability, defective hydrochloric acid production in the stomach and consequent digestive disorders. Riboflavin deficiency can cause inflamed tongue, inflammation and ulcers in the mouth, Dandruff, weakness, abnormal blood vessel growth on the sclerae, and low blood counts. A niacin deficiency often leads to a chronic illness called pellagra. Vitamin B5 deficiency causes depression, personality changes, and heart problems. Vitamin B6 deficiency can cause impaired immunity, skin lesions, and mental confusion.



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