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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 ]
Look for these warning signs of vitamin B12 deficiency. You could be experiencing both mental and physical symptoms. ... Increased heart rate. ... Vitamin B-12 1,000 mcg with Folic Acid. amazon ...
Vitamin B 12 deficiency has been observed in between 40% and 80% of the vegetarian population who do not also take a vitamin B 12 supplement or consume vitamin-fortified food. [35] In Hong Kong and India, vitamin B 12 deficiency has been found in roughly 80% of the vegan population.
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]
B12 deficiency is caused by a lack of dietary B12 or pernicious anemia, which affects B12 absorption. To treat a B12 deficiency, you may need to get B12 injections or take a supplement.
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.