Lip balm won't fix this. Called Angular Cheilitis, these painful splits are often caused by fungus thriving when you're low on Iron or Vitamin B2. Eating B rich foods like eggs, spinach, or Cracking Skin and Chapped Lips? Your Vitamins Might Be the Culprit! If your skin often cracks or your lips get chapped, you might be dealing with a vitamin deficiency. Low levels of From puffy eyes to pale lipsthese are the five vitamin deficiencies visible on your face 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