
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 …
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 - Health Professional Fact Sheet
Vitamin B12 overview for health professionals. Research health effects, dosing, sources, deficiency symptoms, side effects, and interactions here.
We Asked a Doctor What Vitamin B12 Actually Does for Your Body
5 days ago · 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, …
What Happens to Your Body When You Take Vitamin B12 - EatingWell
Oct 13, 2025 · Vitamin B12 is essential for numerous body functions. Read on for what vitamin B12 is, the benefits, potential risks, side effects and more.
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 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 …
Vitamin B12 Benefits and Side Effects: Dosage & Safety
Aug 21, 2025 · Vitamin B12 (cobalamin) is an essential water-soluble vitamin that your body can’t make on its own. It supports core processes like red blood cell production, nerve protection, and DNA …