What Vitamin Deficiency Causes Fingers to Lock Up? Understanding The Role of Nutrients
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                Reports show that an estimated 75% of Americans do not meet their recommended daily intake of magnesium, a mineral crucial for proper muscle function, which can be a factor in unexplained muscle cramps. While a single vitamin deficiency isn't the sole culprit for fingers locking up, imbalances in key nutrients, alongside other conditions, can contribute significantly.