This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Alcohol absorption leads to deficiency of which 
vitamin? 
Select and explain. 
A. Vitamin A, B. Vitamin B2, C. Vitamin B12, D. Vitamin B3
C: Vitamin B12
Answer: C: Vitamin B12 
Explanation: None