Stage 1: Grasping Cheilosis Cheilosis manifests as cracked lips, oral inflammation, and digestive complications. This condition stems from a deficit in riboflavin (Vitamin B2). Stage 2: Riboflavin's Function Riboflavin is vital for metabolic processes and energy generation. It supports enzyme activities critical for digestive well-being. Concluding Statement: A deficiency in riboflavin (Vitamin B2) precipitates cheilosis and digestive ailments.