10 Vitamin B12 Deficiency Symptoms
Symptom #5: Fatigue and Weakness
This is a very common symptom of deficiency in vitamin B12. You get weak and fatigued because your body does not have adequate amounts of vitamin B12 to make all the red blood cells necessary for healthy transportation of oxygen throughout the body. Low levels of red blood cells lead to inadequate oxygen, which presents as weakness and fatigue.
For the elderly people, this type of anemia is usually the result of an autoimmune condition called pernicious anemia. People that have this anemia do not produce enough intrinsic factor. Intrinsic factor is essential for preventing deficiency, as it ought to bind with vitamin B12 in your body so that you are able to absorb it.
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