Vitamins |
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Retinol (Vitamin A) Vitamins are nutrients required for essential metabolic reactions in the body [1]. Vitamins can act both as catalysts and participants in the chemical reaction. The body typically assembles vitamin-dependent catalysts from a variety of building blocks including amino acids, sugars, phosphates, and vitamins. Each vitamin is typically used in multiple different catalysts and therefore has multiple functions[2]. The role of a catalyst is to participate in a chemical re ...
Wikipedia - [full article]
Resources
- Annual Bibliography of Significant Advances in Dietary Supplement Research (Office of Dietary Supplements)
- Antioxidant Vitamins and Zinc Reduce Risk of Vision Loss from Age-Related Macular Degeneration--Same Nutrients Have No Effect on the Development of Cataract (National Eye Institute, NIH, HHS)
- Antioxidants and Skin Care: Media Hype or Wonder Drug? (Vanderbilt University)
- Are You Over-Supplementing? (Cleveland Clinic)
- Calcium, Vitamin D combo Reduces Bone Loss, Fracture Rate for Older People (National Institute on Aging Information Center, NIA, NIH, HHS)
- CERHR: Vitamin A (Center for the Evaluation of Risks to Human Reproduction (CERHR))
- Dietary Supplements (Office of Women's Health, OEA, FDA, HHS)
- Facts About Dietary Supplements: Iron (Office of Dietary Supplements)
- Facts about Vitamins and Other Dietary Supplements (Office of Women's Health, OEA, FDA, HHS)
- Illnesses and Injuries Associated with the Use of Selected Dietary Supplements (Center for Food Safety and Applied Nutrition, FDA, OPHS, HHS)
- Información Sobre Vitaminas y Otros Suplementos Alimenticios (Office of Women's Health, OEA, FDA, HHS)
- Magnesium (Office of Dietary Supplements)
- Magnesium in Diet (National Library of Medicine, NIH, HHS)
- Magnesium Supplements (National Library of Medicine, NIH, HHS)
- Over 200 Healthy Eating Diet Articles at The Diet Channel (The Diet Channel)
- Prevention of Rickets and Vitamin D Deficiency: New Guidelines for Vitamin D Intake (American Academy of Pediatrics)
- Rickets (National Library of Medicine Office of Public Information)
- Selenium (Office of Dietary Supplements)
- Should Everyone Over Age 75 Take a Multivitamin? (Cleveland Clinic)
- Solving the Vitamin D Mystery with Genetics (Cleveland Clinic)
- Tips For the Savvy Supplement User: Making Informed Decisions and Evaluating Information (Center for Food Safety and Applied Nutrition, FDA, OPHS, HHS)
- Vitamin A (National Library of Medicine, NIH, HHS)
- Vitamin A and Carotenoids (Warren Grant Magnuson Clinical Center, NIH, HHS)
- Vitamin B12 (Office of Dietary Supplements)
- Vitamin B6 (Office of Dietary Supplements)
- Vitamin Therapy for PMS (Iowa Women's Health Center, University of Iowa)
- Vitamins (Cleveland Clinic)
- Vitamins (National Women's Health Information Center)
- Vitamins (Centers for Disease Control and Prevention)
- Vitamins: Help or Hindrance to Good Health (Cleveland Clinic)
- Vitamins: The Basics (Cleveland Clinic)
- What Are Dietary Supplements? (Office of Dietary Supplements)
- Zinc (Office of Dietary Supplements)

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