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Deficiency of vitamin B12 may cause tiredness, weakness, constipation, loss of appetite, weight loss and megaloblastic anemia (a condition when red blood cells become larger in size than normal)
as a water-soluble vitamin, your body will simply excrete any excess
When kidney function declines, B12 clearance slows, and serum levels can rise
This was established as an important research question to be funded as part of the James Lind Alliance priority-setting partnership with the Pernicious Anaemia Society
For patients who want more than a single procedure, that connection can add clarity and continuity
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