What Vitamin Deficiency Causes White Lines on Nails?
                                
                                
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                                    5 min read                                
                            
                                While many people believe that white spots and lines on nails are caused by a calcium deficiency, medical experts state this is a common myth. This article explores what vitamin deficiency causes white lines on nails, though it’s often mineral or protein deficiency, and other factors that are the true culprits behind this common nail condition.