What vitamin helps with yellow nails? A nutritional deep dive
                                
                                
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                                    4 min read                                
                            
                                While many attribute cosmetic damage as the sole culprit, yellow nails can signal nutritional deficiencies, with a study noting low B12 levels may cause discoloration. Understanding **what vitamin helps with yellow nails** is key to addressing the underlying dietary issue and restoring nail health.