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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 ]
Vitamin B 12 was discovered as a result of pernicious anemia, an autoimmune disorder in which the blood has a lower than normal number of red blood cells, due to a deficiency of vitamin B 12. [5] [15] The ability to absorb the vitamin declines with age, especially in people over 60. [16]
The Schilling test distinguished PA from other forms of B 12 deficiency, [50] specifically, from Imerslund–Gräsbeck syndrome, a B 12-deficiency caused by mutations in CUBN that codes for cubilin the cobalamin receptor. [1] Vitamin B12 deficiency is also prevalent in patients having Crohn's disease (CD) so it should be differentiated. [62]
Look for these warning signs of vitamin B12 deficiency. You could be experiencing both mental and physical symptoms. ... Vitamin B-12 1,000 mcg with Folic Acid. amazon.com. $14.38. Raw B-12. Shop Now.
A vitamin B12 deficiency can be caused by a gastrointestinal disorder or a lack of B12 in your diet. Signs of a B12 deficiency include weakness, fatigue, and tingling or numbness in the hands and ...
Other symptoms of vitamin B12 deficiency include memory loss, fatigue and weakness, nerve damage causing numbness and tingling in the arms and legs, dementia, depression, and seizures.
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