Vitamin Nutrition Facts  
   Explains the difference between water soluble and fat soluble vitamins with intake recommendations.
   http://www.trekfit.com/nc/nf_05.html

Vitaminfo.com  
   Has facts about vitamins and minerals including omega-3, beta-carotene, and lutein. Also gives tips for balanced eating and living.
   http://www.nutrivit.co.uk

Nutrition.org  
   Information on major vitamins and minerals, daily requirements, sources, and toxic dosages.
   http://www.nutrition.org/nutinfo/

USDA Nutrient Values  
   Interface to the USDA Nutrient Database. Nutrient values are available for 100 gram portions as well as common serving sizes. Percent RDA is given for males and females between the ages of 25 and 50.
   http://www.rahul.net/cgi-bin/fatfree/usda/usda.cgi

Vitamin Guide  
   A handy vitamin guide with food sources, symptoms of deficiency, uses and benefits of different vitamins.
   http://www.innerself.com/Magazine/Health/Vitamin_Guide.htm

Vitamin Information Center  
   Basic information on all vitamins and their uses, daily requirements, and history.
   http://www.cyber-north.com/vitamins

Mc Vitamins  
   A nutritional education site that has index of selected vitamins with scientific and health benefits of each.
   http://www.mcvitamins.com/

Vitamin Directory  
   Resource directory on several vitamins, health supplements, and news.
   http://vitamin.virtualave.net

Dietary Reference Intakes  
   A 2000 report on Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline Dietary Reference Intakes. A NAP publication.
   http://books.nap.edu/books/0309065542/html/

Medlineplus: Vitamins  
   Overview of vitamins needed for normal metabolism, growth and development, and regulation of cell functions.
   http://www.nlm.nih.gov/medlineplus/ency/article/002399.htm

WVDA - Vitamins and Minerals  
   Food sources for vitamins and minerals, functions of vitamins and minerals in your body, and information about deficiency and toxicity.
   http://www.wvda.org/nutrient/

VitaminManual  
   Scientific journal with questions about potential benefits of vitamins and supplements. References to medical publications also given.
   http://www.vitaminmanual.com

Reference Guide For Minerals  
   Gives an overview and information on a variety of minerals and trace minerals.
   http://www.realtime.net/anr/minerals.html

Vitamins and Supplements Message Board  
   Forum for discussing health issues related to consumption and effects of vitamins and mineral supplements.
   http://www.healthboards.com/vitamins-and-supplements/

AskMen.com- Vitamins  
   Article highlighting the health benefits of vitamins and minerals with functions and traits of some listed.
   http://www.askmen.com/fashion/body_and_mind/4_better_living.html

Vitamins  
   Discussion of functions, deficiencies, disease prevention and treatment, food sources, and research indexed by vitamin. From the Linus Pauling Institute.
   http://lpi.oregonstate.edu/infocenter/vitamins.html

Minerals  
   Discussion of function, deficiencies, disease prevention, safety, food sources and research, indexed by mineral. From the Linus Pauling Institute.
   http://lpi.oregonstate.edu/infocenter/minerals.html

Vitamin B12  
   Information on oral vitamin B12 including vitamin B12 reports and research papers.
   http://www.vitab12.com

Minerals and Vitamins  
   Information explaining the importance of vitamins and minerals in keeping our bodies functioning properly.
   http://www.mineralsandvitamins.net/

Changing Shape  
   This chart recommends vitamin and mineral dosages, explains their function, and describes the effects of deficiency and overdose.
   http://www.changingshape.com/resources/references/vmchart.asp

Vitamins and Minerals: How Much Do You Need?  
   Information about requirements and advice on use of supplements, from mylifepath.com.
   https://www.mylifepath.com/bsc/hw/articles/hw_health_article.jhtml

VitaminFactor.org  
   Vitamin supplements news, articles and online resources.
   http://www.vitaminfactor.org

Vitamins Source  
   Offers information about vitamins and nutritional supplements.
   http://www.vitamins-source.com

VitaminsDiary.com  
   Descriptions and information on various vitamins, minerals, amino acids and herbs.
   http://www.vitaminsdiary.com

Vitamins: vitamin nutritions  
   A comprehensive guide to vitamins. Includes detailed information on a wide range of vitamin products.
   http://www.greatvistachemicals.com/vitamins-vitamin/