Mayo Clinic
Mayo Clinic: Vitamin B12
In addition to providing information on the functions and food sources of vitamin B12, this website includes a chart of usage and dosage.
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.
Aetna Intelihealth
Aetna: Inteli Health: Anemia and Fatigue
Briefly explains what anemia and fatigue are and how they are related. Also presents symptoms of anemia and the consequences of leaving it untreated.
US National Library of Medicine
Medline Plus: Anemia and Vitamin B 12
This site discusses anemia due to an insufficinency of B-12. It discusses the absorption problems of B-12 as well. Lastly it reveals what researchers have discovered is the best way to absorb B-12 into the body.