
Vitamin B12 Deficiency: Causes, Symptoms, and Treatment
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 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 …
What Happens to Your Body When You Have a Vitamin B12 Deficiency
Dec 9, 2025 · Signs of a vitamin B12 deficiency include anemia, neuropathy, and more. Vitamin B12 deficiency can cause symptoms of anemia, nerve problems, and sensory changes that …
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 …
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, …
How Much Vitamin B12 Is Too Much? - Healthline
May 8, 2025 · Vitamin B12 plays many crucial roles in the body. Some think taking megadoses is best for their health. Learn more about how much vitamin B12 is too much.
Vitamin B12 - Health Professional Fact Sheet
Vitamin B12 overview for health professionals. Research health effects, dosing, sources, deficiency symptoms, side effects, and interactions here.
Recognizing and Treating Vitamin B12 Deficiency - Health
4 days ago · Vitamin B12 deficiency causes fatigue, breathlessness, and pale skin. Autoimmune diseases and diet are common causes that require medical care.
Vitamin B12: MedlinePlus Medical Encyclopedia
Vitamin B12 is a water-soluble vitamin. Water-soluble vitamins dissolve in water. After the body uses what it needs of these vitamins, leftover amounts leave the body through the urine. The …