Your lips can speak louder than you think Dry, cracked, pale, or dark each tells a story about your inner health. From vitamin deficiencies to hydration issues, your lips are Cheilitis (lip inflammation): Causes and Treatment Can Dry Lips Be a Sign of Vitamin Deficiency? fatty15 Chapped Lips (Cheilitis): Causes, Treatment & Prevention Dry lips can often be a sign of certain vitamin deficiencies. The most common deficiencies associated with dry lips include: B Vitamins: Deficiencies in B vitamins, particularly B2 (riboflavin), B3 Zara 15 Signs and Symptoms of Vitamin C Deficiency