Can B12 cause cramps? Understanding the Link Between the Vitamin and Muscle Spasms
                                
                                
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                                    4 min read                                
                            
                                Did you know that vitamin B12 deficiency is a more common cause of muscle cramps than excess supplementation?. Many people ask, "Can B12 cause cramps?", but the answer is more complex, involving the vitamin's critical role in nerve function and the potential impact of an imbalance, not an overabundance.