Chromium Info
Information on what it is and what it does, chromium-rich foods, dietary supplements, and recommended daily intake. Includes how chromium picolinate effects insulin resistance and FAQs.
http://www.chromiuminfo.com

WebMD: Vitamin B12 Deficiency Anemia
A discussion about this vitamin, its deficiency, symptoms, causes and a list of food sources.
http://my.webmd.com/hw/anemia/hw65708.asp

Vitamin and Mineral Deficiencies
Provides basic guidelines for when supplements are necessary. Explains when a healthy diet may not be enough, and possible health problems due to dietary deficiencies or overuse of supplements.
http://endoflifecare.tripod.com/juvenilehuntingtonsdisease/id228.html

Vitamin A (Retinol)
Discusses the several forms, as well as the symptoms, diagnosis, and treatment of deficiency and excess.
http://www.merck.com/mmhe/sec12/ch154/ch154b.html

Folic Acid (Folate)
Describes why this vitamin is necessary, as well as the symptoms, diagnosis, and treatment of deficiency and excess.
http://www.merck.com/mmhe/sec12/ch154/ch154k.html

Niacin (Nicotinic Acid)
Provides information on why niacin is important, as well as the symptoms, diagnosis, and treatment of deficiency and excess levels.
http://www.merck.com/mmhe/sec12/ch154/ch154h.html

Vitamin B1 (Thiamin)
Information includes causes of deficiency, symptoms, diagnosis, and treatment.
http://www.merck.com/mmhe/sec12/ch154/ch154f.html

Vitamin B12 (Cobalamin)
Article describes the function of this vitamin in the body and symptoms, diagnosis, and treatment of deficiency.
http://www.merck.com/mmhe/sec12/ch154/ch154j.html

Vitamin B2 (Riboflavin)
Brief article discusses the function of this vitamin, the disorders and procedures that can lead to deficiency, symptoms, diagnosis, and treatment.
http://www.merck.com/mmhe/sec12/ch154/ch154g.html

Vitamin B6 (Pyridoxine)
Describes the essential nature of this vitamin, symptoms, and diagnosis of deficiency and excess levels in the system.
http://www.merck.com/mmhe/sec12/ch154/ch154i.html

Vitamin C (Ascorbic Acid)
Explains the importance of this vitamin, conditions and problems caused by deficiency, and why some people take high doses of ascorbic acid.
http://www.merck.com/mmhe/sec12/ch154/ch154l.html

Vitamin D
Explains the two forms of this essential vitamin. Includes symptoms, diagnosis, and treatment of deficiency, and causes and conditions associated with excess levels.
http://www.merck.com/mmhe/sec12/ch154/ch154c.html

Vitamin E (Tocopherol)
Learn the function of this antioxidant, sources in food, causes, symptoms, diagnosis, and treatment of deficiency and excess levels in the system.
http://www.merck.com/mmhe/sec12/ch154/ch154d.html

Vitamin K
Describes the two forms, where they are found, and why they are important. Includes how deficiencies occur, as well as symptoms, diagnosis, and treatment.
http://www.merck.com/mmhe/sec12/ch154/ch154e.html

Fluoride
Describes where this mineral is stored and why it's important. Includes symptoms and treatment of deficient or excessive consumption.
http://www.merck.com/mmhe/sec12/ch155/ch155d.html

Iodine
Details include where iodine occurs in the body, why it is important, and symptoms of deficiency and excess, usually attributed to thyroid problems.
http://www.merck.com/mmhe/sec12/ch155/ch155e.html

Iodine for the World
Association for the eradication of iodine deficiency in the world. A bulletin of the World Health Organization, showing the current global status and progress over the last decade.
http://www.iodinefortheworld.com