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Nutrifactors Vitamin B-12 contains a water-soluble B-vitamin Cyanocobalamin (Vitamin B12), which is vital for fat and protein metabolism as well as energy production
This means that unexplained, persistent high B12, especially when it is not caused by supplements, should not be ignored
Subacute combined degeneration of the spinal cord
Kidney Dysfunction: While the kidneys do not directly excrete vitamin B12 efficiently, impaired renal function may lead to elevated serum B12 levels by reducing the clearance of B12-binding proteins or altering their metabolism, thereby contributing to B12 accumulation 8
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