... EP5.0/BP2004/CP2005 Quick Shipment Rich Experience Product: Vitamin B12(Cyanocobalamin) VB12 Quality standard: USP31/EP5.0/BP2004/CP2005It ... to purify after it is produced by bacterial fermentation.Vitamin B12 is necessary for the synthesis of red blood cells, ... and development in children.Deficiency can cause anemia. Vitamin B12 neuropathy, involving the degeneration of nerve fibres and irreversible ...