Will biotin help my toenail grow back? Exploring the truth about B7 and nail health
                                
                                
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                                    5 min read                                
                            
                                Despite popular marketing, there is limited scientific evidence that biotin supplementation significantly benefits nail growth in healthy individuals. The key question, **will biotin help my toenail grow back?**, depends largely on the underlying cause of the nail loss and whether a deficiency exists.