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Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism. [2] It is one of eight B vitamins. It is required by animals, which use it as a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism. [3]
6% (< 60 years old), 20% (> 60 years old) [ 4 ] Vitamin B12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin B 12. [ 5 ] Symptoms can vary from none to severe. [ 1 ] Mild deficiency may have few or absent symptoms. [ 1 ]
Cyanocobalamin is a form of vitamin B. 12 used to treat and prevent vitamin B. 12 deficiency except in the presence of cyanide toxicity. [7][8][2] The deficiency may occur in pernicious anemia, following surgical removal of the stomach, with fish tapeworm, or due to bowel cancer.
Again, the daily recommended dietary allowance of vitamin B12 for most adults is 2.4 micrograms, stretching up to 2.6 and 2.8 micrograms if you’re pregnant or nursing.
Frequency. 1 per 1000 people [8] Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B 12. [5] Those affected often have a gradual onset. [5] The most common initial symptoms are feeling tired and weak. [4]
Hydroxocobalamin is the natural form of vitamin B 12 and a member of the cobalamin family of compounds. [6][7] It is found in both raw and cooked beef, together with other cobalamins. [8] Hydroxocobalamin, or another form of vitamin B 12, are required for the body to make DNA. [7]