Vitamin B-12 deficiency, symptoms, treatment, food source
Vitamin B12, also called cobalamin, It is a water-soluble vitamin. It is one of eight B vitamins. Vitamin B12 was discovered as a result of its relationship to the disease pernicious anemia, an autoimmune disease. Parietal cells of the stomach which responsible for secreting intrinsic factor are destroyed; these cells are also responsible for secreting acid in the stomach.
Vitamin B-12 is produced by bacteria or in the bodies of certain animals. There are no plant-derived foods that supply a sustainable amount of vitamin B-12.
According to Nutrition Board of the U.S. Institute of Medicine (IOM) Estimated Average Requirements (EARs) The current EAR for vitamin B12 for women and men ages 14 and up is 2.0 μg/day; the RDA is 2.4 μg/day
Vitamin B 12 is very important to body, person who don’t have enough of Vitamin B 12 may feel tired or have lack of energy.
Vitamin B12 is used to treat vitamin B12 deficiency, cyanide poisoning, and hereditary deficiency of transcobalamin II. It is given as part of the Schilling test for detecting pernicious anemia.
Symptoms of vitamin B12 deficiency
Anaemia caused by a lack of vitamin B12 can result in symptoms which include:
- Extreme tiredness or fatigue
- A lack of energy or lethargy
- Being out of breath
- Feeling faint
- Ringing in the ears (tinnitus)
- Lack of appetite
Some more specific symptoms linked to a lack of vitamin B12 include:
- Yellowing of the skin
- nerve damage
- tingling of hands and feet
- blurred vision
- excessive sweating
- walking difficulties
- digestive problems
- Sore, red tongue
- Mouth ulcers
- Feeling less pain
- Walking problems
- Vision problems
- Mood changes, irritability, depression or psychosis
- Symptoms of dementia
Diagnosis of vitamin B12 deficiency
Blood tests, count of blood cells under microscope etc.,
This vitamin has a key role in the normal functioning of the brain and nervous system, and the formation of red blood cells. Body needs vitamin B12 to make red blood cells . Vitamin B-12 is a B-complex vitamin involved in the metabolism of every cell. It is important for the DNA synthesis and production of red blood cells in the bone marrow.
Treatment and Prevention
- Vitamin B12 deficiency can be prevented by eating enough meat, poultry, seafood, dairy products, and eggs.
Treatment of Vitamin B12 deficiency depend on its causes like eating B 12 rich food and also Regular vitamin B12 injections of hydroxycobalamin may also be recommended.
Vitamin B12 rich food are
- red meat, such as beef
- dairy products, such as milk and cheese
- fortified cereals
- Nutritional yeast
- Shitake mushroom
- energy bar