National Institutes of Health
Office of Dietary Supplements: Vitamin a and Carotenoids
This fact sheet on vitamin A answers questions such as "What foods provide vitamin A?" and "When can vitamin A deficiency occur?" Learn how vitamin A, though a necessary for health, can hurt the human body when overconsumed. Tables...
Other
Reference Guide for Vitamins: Vitamin C
This site has basic information on vitamin C such as recommended daily allowance, deficiency symptoms, benefits, good food sources, cautions, substance interactions, and signs of toxicity.
Aetna Intelihealth
Aetna: Inteli Health: Nutritional Deficiencies and Anemia
Describes three nutritional deficiencies that can lead to anemia. Also provides reader with the names of several foods to eat to correct these deficiencies.
National Institutes of Health
National Institutes of Health: Folate
A dietary supplement fact sheet about folate, which is also known as folic acid or vitamin B9. Learn about how this vitamin functions in the human body and how the body reacts when there is a vitamin deficiency or overdose. Providing...
Other
Folic Acid
This resource provides basic information on folic acid and an explanation and common symptoms of folic acid deficiency.
Read Works
Read Works: Small Wonders
[Free Registration/Login Required] An informational text about the importance of vitamins and minerals and the idea of adding them to various foods. A question sheet is available to help students build skills in reading comprehension.
Other
Reference Guide for Vitamins
This reference guide for vitamins contains an overview of information on many vitamins. Has information on deficiency symptoms and the importance of individual vitamins.
Mocomi & Anibrain Digital Technologies
Mocomi: Vitamins and Their Deficiencies
Features a chart of vitamins and their sources and discusses why vitamins are important for our health.
Precision Nutrition
Encyclopedia of Food: Vitamin C
Identify the benefits of adding vitamin c to the daily diet and discover plentiful sources of it. Recognize symptoms of a vitamin c deficiency.
Precision Nutrition
Encyclopedia of Food: Vitamin D
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.
Other
Connective Tissue Disorder Site: Vitamin K
Read about vitamin K deficiency and its link to connective tissue disorders such as mitral valve prolapse, scoliosis, and hypermobility. Written by a person who suffers from a connective tissue disorder, this article includes the...
Healthline Media
Medical News Today: What Is Vitamin B12?
A look at the causes, symptoms, effects, and treatment of Vitamin B deficiency.
US National Library of Medicine
Medline Plus: Vitamin C
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.
US National Library of Medicine
Medline Plus: Vitamin D
This website on vitamin D is organized into the following sections: "Illustrations," "Definitions," "Function," "Food Sources," "Side Effects," and "Recommendations." Click on the thumbnail images in the "Illustrations" section to see...
American Association for Clinical Chemistry
Lab Tests Online: Anemias
Although there are many different kinds of anemia this thorough site delves into the most common forms; iron/vitamin deficiencies, aplastic anemia, and hemolytic anemia.
Precision Nutrition
Encyclopedia of Food: Vitamin B12 Cobalamin
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.
Precision Nutrition
Encyclopedia of Food: Vitamin B9 Folic Acid
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.
CNN
Cnn: Researchers: Iron Deficiency Common in u.s.
This article discusses that despite efforts of the U.S. to increase iron levels in children by introducing iron fortified foods, there is still a percentage of children found to be iron deficient.
Precision Nutrition
Encyclopedia of Food: Vitamin B7 Biotin
Discover the health benefits and sources of biotin. Recognize symptoms of deficiency or excess of the B vitamin.
Precision Nutrition
Encyclopedia of Food: Vitamin K
Recognize the health benefits and sources of Vitamin K. Discover the symptoms of those deficient or in excess of this important vitamin.
Precision Nutrition
Encyclopedia of Food: Vitamin B5 Pantothenic Acid
Discover the health benefits and sources of vitamin B5. What happens with a deficiency or excess of the pantothenic acid in the body?
US National Library of Medicine
Medline Plus: Vitamin K
Organized into several very brief sections, this article on vitamin K includes information on vitamin K deficiency and the RDA (recommended dietary allowances) of this vitamin. Click on the thumbnail images in the "Illustrations,"...
US National Library of Medicine
Medline Plus: Vitamin A
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...
US National Library of Medicine
Medline Plus: Vitamin B6
Organized into several sections, this article provides general information on vitamin B6, its sources, and its function. Click on the thumbnail images in the "Illustrations," section to see two illustrated charts on the benefits and food...