US Department of Agriculture
Usda: Vitamin K, Another Reason to Eat Your Greens
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.
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
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...
Partnership for Drug-Free Kids
Above the Influence: Ketamine Facts
Fact sheet about the risks of using the powerful animal tranquilizer, ketamine.
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.
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,"...
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.