Learn how vitamin D is structured, synthesized and metabolized in the human body. Includes information on the health benefits of vitamin D and the effects of vitamin D deficiency.

In addition to providing information on the functions and food sources of vitamin B12, this website includes a chart of usage and dosage.

How can vitamin C help prevent heart problems and improve the health of those who already have vascular disease? Which animals are unable to produce their own vitamin C? How does vitamin C deficiency affect the body? Learn the answers to...

This site from the MayoClinic.com contains an article entitled, "Using vitamin and mineral supplements wisely". Focuses on the right balance of minerals and vitamins, but shows the benefits of whole foods as well.

The USDA provides this site that shows an article that explains vitamin K's role in maintaining bone health in people of all ages. Here, you can read about research studies that have explored vitamin K intake among groups of people.

A detailed overview of Niacin (vitamin B3). Content includes a look at its background, traditional and new uses, dosage recommendations, and more.

Identify the benefits of adding vitamin c to the daily diet and discover plentiful sources of it. Recognize symptoms of a vitamin c deficiency.

Identify sources of vitamin D and why it is does a body good. Know symptoms of being deficient in or excess of too much of the vitamin.

Features a chart of vitamins and their sources and discusses why vitamins are important for our health.

In addition to providing general information on vitamin C and its role in maintaining health, this article includes illustrated charts on the sources and benefits of vitamin C and the effects of vitamin C deficiency.

Discusses the non-nutritional ingredients in vitamins and explains the differences between natural and synthetic vitamins. The examples of vitamins C and D are looked at in more detail.

An important vitamin to humans is vitamin B12. Find sources and benefits to the vitamin as well as potential trouble with deficiency or excess in the body.

Discover the difference between folate and folic acid and understand sources of the essential vitamin. Find the troubles which arise when people are deficient in vitamin B9.

Benefits and sources of vitamin A are presented in this entry. Find out what happens with too much or too little of the vitamin.

Critical to metabolism, thiamine provides benefits to the human body. Find sources of vitamin B1 and identify symptoms of consuming too much or too little of it.

Discover the health benefits of this important vitamin. Find sources as well as the symptoms of not having the right amount of vitamin E in the body.

Recognize the health benefits and sources of Vitamin K. Discover the symptoms of those deficient or in excess of this important vitamin.

Identify the health benefits and sources for maintaining a good level of vitamin B2 in the human diet.

Discover the health benefits and sources of vitamin B5. What happens with a deficiency or excess of the pantothenic acid in the body?

This encyclopedia article is organized into the following sections: Illustrations, Alternative Names, Definition, Function, Food Sources, Side Effects, and Recommendations. Click the thumbnails in Illustrations to pull up two charts, one...

Explain how different foods and eating a healthy diet can affect a person's metabolism. Also learn reasons why vitamins and minerals are critical to a healthy diet.

This site provides a brief description of vitamin B complex. Includes information on topics such as the function of the vitamin and recommended daily allowances.

Stephen Babcock was an agricultural chemist in the 1800s whose work led to the later discovery of vitamins A and D. He developed the Babcock test which paved the way for standardizing the quality of milk sold and setting fair prices....

Learn about the connection between eating fruit and preventing cardiovascular diseases, reducing the risk for diabetes, and maintaining a healthy body. Also, read about the nutrients that are found in fruits. Includes a link to further...