How long can you have low B12? Understanding the timeline and risks
                                
                                
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                                    4 min read                                
                            
                                The body possesses a unique ability to store large reserves of vitamin B12 in the liver, often for years, which can mask an underlying dietary deficiency. This prolonged reserve period makes many wonder: how long can you have low B12 before it starts to impact your health, and what are the long-term consequences?