What Vitamin Deficiency Causes Itchy Lips and Cracks?
                                
                                
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                                    3 min read                                
                            
                                According to research, deficiencies in several key nutrients, particularly B vitamins like riboflavin (B2), can contribute to painful inflammation and dryness of the lips. A deficiency in specific vitamins is one of several potential causes, and a common question for those experiencing persistent lip issues is, 'What vitamin deficiency causes itchy lips?'