
Vitamin B12 Deficiency: Causes, Symptoms, and Treatment - WebMD
Apr 30, 2017 · Vitamin B12 is essential for good health, but some people may not be getting enough. WebMD tells you about symptoms of a vitamin B12 deficiency and how it can be treated.
Vitamin B-12 - Mayo Clinic
Aug 13, 2025 · Vitamin B-12 is a vitamin the body uses to make and support healthy nerve cells. It's also used to make healthy red blood cells and the genetic material inside cells called DNA. Vitamin B-12 …
Vitamin B12 - Wikipedia
Vitamin B12, also known as cobalamin or extrinsic factor, is a water-soluble vitamin involved in metabolism. [2] One of eight B vitamins, it serves as a vital cofactor in DNA synthesis and both fatty …
We Asked a Doctor What Vitamin B12 Actually Does for Your Body
Dec 28, 2025 · Q: Why is vitamin B12 important for the body, and how do we know when we have a B12 deficiency? Andrews: Vitamin B12 supports your body's natural processes of energy production, …
Vitamin B12 - Consumer - Office of Dietary Supplements - Vitamin B12
Vitamin B12 helps keep nerve and blood cells healthy. Learn how much you need, good sources, deficiency symptoms, and health effects here.
Vitamin B12: MedlinePlus Medical Encyclopedia
Vitamin B12, like the other B vitamins, is important for protein metabolism. It helps in the formation of red blood cells and in the maintenance of the nervous system.
Vitamin B12, cobalamin benefits, deficiency symptoms, dosage, and …
Dec 31, 2025 · Vitamin B12 (also called cobalamin) is a water-soluble vitamin best known for its role in healthy red blood cell formation, DNA synthesis, and normal nerve function. It is unusual among …
Vitamin B12: Purpose, benefits, and sources - Medical News Today
Jun 11, 2025 · Vitamin B12 (cobalamin) is essential for the health of nerve tissue, brain function, and red blood cells. Sources include meat, eggs, and some yeast products. Vitamin B12 is the largest and …
Vitamin B12 Deficiency: Symptoms, Causes & Treatment
Vitamin B12 Deficiency Vitamin B12 deficiency is a treatable condition that happens if you aren’t consuming enough vitamin B12 in your diet or if your body isn’t absorbing it properly. Vitamin B12 …
What Happens to Your Body When You Take Vitamin B12 - EatingWell
Oct 13, 2025 · Vitamin B12 is a water-soluble vitamin that contains the mineral cobalt, and is sometimes called cobalamin. It is naturally found in many animal-based foods and is added to fortified foods, like …