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: Social & Preventive Medicine
Vitamin used in the treatment of hyperlipoproteinemia: September 2012 
Select and explain. 
A. Vitamin B1, B. Vitamin B6, C. Niacin/ Nicotinic acid, D. Vitamin B12
C: Niacin/ Nicotinic acid
Answer: C: Niacin/ Nicotinic acid 
Explanation: Ans: C i.e. Niacin/ Nicotinic acid Immediate release niacin is effective at lowering cholesterol levels, and has minimal hepatotoxic side effects due to its rapid elimination from the body.