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: Pharmacology
[{'content': 'The vitamin which can be used for treatment of hypercholesterolemia is- \nSelect and explain. \nA. Thiamine, B. Niacin, C. Pyridoxine, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Niacin o Niacin (nicotinic acid) is used as a hypolipidemic drug.", 'role': 'assistant'}]