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A service of the U.S. National Library of Medicine
From the National Institutes of HealthNational Institutes of Health

The B vitamins are

  • B1 (thiamine)
  • B2 (riboflavin)
  • B3 (niacin)
  • B5 (pantothenic acid)
  • B6
  • B7 (biotin)
  • B12
  • Folic acid

These vitamins help the process your body uses to get or make energy from the food you eat. They also help form red blood cells. You can get B vitamins from proteins such as fish, poultry, meat, eggs, and dairy products. Leafy green vegetables, beans, and peas also have B vitamins. Many cereals and some breads have added B vitamins.

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Results 1 - 10 of 315 for vitamin b12
  1. B Vitamins (National Library of Medicine)  
    ... B vitamins. Not getting enough of certain B vitamins can cause diseases. A lack of B12 or B6 can cause anemia.
    www.nlm.nih.gov/medlineplus/bvitamins.html - Health Topics
  2. Folic Acid (National Library of Medicine)  
    Folic acid is a B vitamin. It helps the body make healthy new cells. Everyone needs folic acid. For women who may get pregnant, it is really important. When ...
    www.nlm.nih.gov/medlineplus/folicacid.html - Health Topics
  3. Vitamin B12 From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements)  
    ... Office of Dietary Supplements Dietary Supplement Fact Sheet: Vitamin B12 QuickFacts Datos en español Health Professional Other Resources Create PDF What is vitamin B12 and what does it do? Vitamin B12 is ...
    ods.od.nih.gov/factsheets/VitaminB12-QuickFacts - Drugs and Supplements
  4. Vitamin B12 and Folate Test (American Association for Clinical Chemistry)  
    ... of this website will be limited. Search Help? Vitamin B12 and Folate Share this page: Was this page ... my doctor's office? 1. Can taking too many vitamin B12 and folic acid supplements hurt me? Not usually. ...
    labtestsonline.org/.../analytes/vitamin-b12/tab/test - External Health Links
  5. Pernicious anemia 
    ... achylic anemia; Congenital pernicious anemia; Juvenile pernicious anemia; Vitamin B12 deficiency (malabsorption) ... Pernicious anemia is a type of vitamin B12 anemia. The body needs ... You get this vitamin from eating foods such as meat, poultry, ...
    www.nlm.nih.gov/medlineplus/ency/article/000569.htm - Medical Encyclopedia
  6. Vitamin B12 
    Vitamin B12 is a vitamin. It can be found in foods such as meat, fish, and dairy products. It can also be made in a laboratory. Vitamin B12 is used for treating and preventing vitamin B12 ...
    www.nlm.nih.gov/medlineplus/druginfo/natural/926.html - Drugs and Supplements
  7. Vitamin B12 
    Vitamin B12 is a water-soluble vitamin. Water-soluble vitamins dissolve in water. After the body uses these ... body through the urine. The body can store vitamin B12 for years in the liver.
    www.nlm.nih.gov/medlineplus/ency/article/002403.htm - Medical Encyclopedia
  8. Schilling test 
    Vitamin B12 absorption test ... different stages to find the cause of low vitamin B12 levels. Stage I: You will get two doses of vitamin B12 (cobalamin). You will take a small, first dose ( ...
    www.nlm.nih.gov/medlineplus/ency/article/003572.htm - Medical Encyclopedia
  9. Vitamin B12 level 
    The vitamin B12 level is a test to tell how much vitamin B12 is in your blood. ... a form of megaloblastic anemia caused by poor vitamin B12 absorption. This can occur when the stomach makes ...
    www.nlm.nih.gov/medlineplus/ency/article/003705.htm - Medical Encyclopedia
  10. Cyanocobalamin Nasal 
    ... gel is used to prevent a lack of vitamin B12 that may be caused by any of the ... lack of a natural substance needed to absorb vitamin B12 from the intestine); certain diseases, infections or medications ...
    www.nlm.nih.gov/medlineplus/druginfo/meds/a604029.html - Drugs and Supplements
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