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Vitamin B12 deficiency has been linked to fatigue, tingling or loss of feeling in the extremities, irritability, memory impairment, depression, anemia, irritable bowel syndrome (IBS), constipation, poor wound healing, dry or damaged looking skin, and neurological disorders
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Remarkably, all 12 patients reported significant improvement in symptoms and none reported adverse effects in the short term
patients should strictly follow the prescribed schedule
In order for B12 to be absorbed from the gut, it requires a specific protein called intrinsic factor (IF)
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