What Deficiency Causes Weak Hands? The Key Nutritional Culprits
                                
                                
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                                    4 min read                                
                            
                                Did you know that a significant portion of the population has low levels of vitamin D, a nutrient directly associated with decreased handgrip strength? Understanding what deficiency causes weak hands is a critical step towards diagnosing the underlying issue, as muscle function and nerve health are highly dependent on proper nutrition.