Lect6.Vit.Min - THEWONDERFULWORLDOF VITAMINS&MINERALS...

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THE WONDERFUL  WORLD OF  Pill pushers claim that supplements are necessary to guard your health, compensate for processed foods, enhance your athletic abilities, and promote future “super health
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WHAT ARE VITAMINS? VITAMINS are essential organic substances needed in minute amounts by the body to perform specific metabolic functions When a vitamin is synthesized from existing chemicals in the body the ingredient to make the conversion are called pro-vitamins (ex: carotine-- Vit A.)
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THERE IS NO DIFFERENCE OR ADVANTAGE BETWEEN A VITAMIN OBTAINED NATURALLY FROM FOOD AND A SYNTHETIC VITAMIN ONLY 13 LEGITIMATE VITAMINS EXIST ORGANIC SUBSTANCES REQUIRED FOR SPECIFIC METABOLIC FUNCTION NEEDED IN SMALL AMOUNTS
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NON-VITAMINS RUTIN (Lipoic Acid) Bioflavinoids (Vit P) Par-amino-benzoic acid (PABA) Carnitine (Choline)
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Where do Vitamins Come From? All vitamins are found in green leaves and roots of plants except Vit B12 which is found only in animals Man cannot synthesize Vit C and most of the fat soluble vitamins
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VITAMIN ABSORPTION
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Recommended Intake of Vitamins 50% of Americans use supplements Americans spend $60 per person on vitamin supplements Vitamin supplements are big business ($5 billion last yr) Wholesale cost for the RDA of all vitamins in a single capsule is 1¢
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Recommended Intake of Vitamins - “ Dietary Reference Intakes - DRI” EAR - Estimated Average requirement RDA - Recommended Dietary Allowance AI - Adequate Intake UL - Tolerable Upper Intake Level
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Dietary Reference Intakes
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FUNCTIONS OF VITAMINS FUNCTIONS OF VITAMINS essential links and regulators in metabolism tissue synthesis
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TWO TYPES OF VITAMINS FAT SOLUBLE FAT SOLUBLE - A (Retinol); D ; E (Tocopherol); K (Menadione) WATER SOLUBLE WATER SOLUBLE - C (Ascorbic Acid); B-complex- Thiamine, Riboflavin, Niacin, B-6, Pantothenic Acid, Biotin, Folacin, B-12
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FAT SOLUBLE VITAMINS A, D, E, K - Daily ingestion unnecessary, as they are stored in the liver, fat cells and subcutaneously - No mechanism to leave the body - Can be toxic in excess
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FAT SOLUBLE VITAMINS FAT SOLUBLE VITAMINS VITAMIN DEFICIENCY EXCESS Vit A night blindness headache, vomiting, anorexia swelling Vit D rickets vomiting, diarrhea, kid Vit E possible anemia relatively nontoxic Vit K severe bleeding relatively nontoxic, jaundice
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VITAMIN VITAMIN A A Carotenoids Functions - Source of vitamin A - Antioxidants - Other health benefits Food Sources - Yellow-orange vegetables - Orange fruits - Dark-green leafy vegetables
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VITAMIN VITAMIN E E A vitamin in search of a disease! “no known evidence of dietary deficiency of vitamin E in humans” Anti-oxidant effects - protects polyunsaturated fats and vitamin A from destruction by oxygen
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VITAMIN D VITAMIN D Rickets is the vitamin D deficiency disease of children When vitamin D deficiency occurs in adults it is called osteomalcia (softening of bones, making them brittle)
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Lect6.Vit.Min - THEWONDERFULWORLDOF VITAMINS&MINERALS...

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