AskMen.com- Vitamins 
Article highlighting the health benefits of vitamins and minerals with functions and traits of some listed.
Changing Shape 
This chart recommends vitamin and mineral dosages, explains their function, and describes the effects of deficiency and overdose.
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.
Mc Vitamins 
A nutritional education site that has index of selected vitamins with scientific and health benefits of each.
Medlineplus: Vitamins 
Overview of vitamins needed for normal metabolism, growth and development, and regulation of cell functions.
Minerals 
Discussion of function, deficiencies, disease prevention, safety, food sources and research, indexed by mineral. From the Linus Pauling Institute.
Minerals 
Mineral listings for education information related to body function, deficiency symptoms, therapeutic uses, and food sources.
Minerals and Vitamins 
Information explaining the importance of vitamins and minerals in keeping our bodies functioning properly.
Nutrition.org 
Information on major vitamins and minerals, daily requirements, sources, and toxic dosages.
Reference Guide For Minerals 
Gives an overview and information on a variety of minerals and trace minerals.
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