Can Vitamins Cause Numbness? Understanding B6 Toxicity and Other Risks
                                
                                
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                                    4 min read                                
                            
                                Excessive intake of vitamin B6, often from supplements, has been directly linked to nerve damage known as peripheral neuropathy. So, yes, vitamins can cause numbness, and it is a risk many people are unaware of, especially those taking multiple supplements containing B6.