Curated OER
Enjoying Carrots
Learners examine how carrots are a good source of Vitamin A. They discover how a specific food helps make a specific part of the body healthy. They listen to a read aloud of Ruth Krauss', The Carrot Seed.
National Health Museum
Access Excellence: The First Steps of Human Vision
Describes the contributions of scientists over hundreds of years leading to our current understanding of the eye and vision.
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...
Curated OER
Kids Health: All About What Vitamins and Minerals Do
This is an excellent site for kids to learn about vitamins and minerals. Includes general information on vitamins and minerals as well as specific sections on vitamins A, B, C, D, E, K, and calcium and iron.
Other
Teratology Society Position Paper: Vitamin A
A short site about vitamin A and the harm it can cause an unborn baby. Warns mothers about taking too much during pregnancy or even shortly before. Difficult reading.
Wisconsin Historical Society
Wisconsin Historical Society: Stephen Babcock
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....
Other
Vitamin a & D
This site provides information on vitamins A and D. Site describes functions, forms, and other aspects.
Precision Nutrition
Encyclopedia of Food: Vitamin A
Benefits and sources of vitamin A are presented in this entry. Find out what happens with too much or too little of the vitamin.
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...
Other
Moms Team: u.s. Dietary Reference Intakes (Dr Is) for Vitamins
Find a chart with useful information on the vitamins you need to be healthy. Includes the "functions" and "sources" of vitamins C, B1, niacin, B6, folic acid, B12, A, D, E, and K.
Curated OER
Vitamin a Source
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...