What Your Lips Say About Your Health! Dark, dry, swollen, or cracked lips can reveal more than you think from vitamin deficiencies to gut imbalance. Nourish your body from within with Chapped Lips & Vitamin Deficiencies Steuart's Natural Health Dry, cracked lips? It could be sunburn, yeast infection, vitamin deficiencies or something else here's how to fix them South China Morning Post Angular cheilitis is often confused with chapped or dry lips. It can be caused by nutritional deficiency (I personally develop it if im not eating enough green leafy veggies), dental conditions that Causes of dry and chapped lips LE PURE Understanding Vitamin Deficiencies and Dry Chapped Lips