This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamin, 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. VitaminB12', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) NiacinRef.:KDT6th edJ 875* Lipids that are liberated from adipose tissue are used to build very-low-density lipoproteins (VLDL) in the liver, which are precursors of low-density lipoprotein (LDL)* Because niacin blocks the breakdown of fats, it causes a decrease in free fatty acids in the blood and, as a consequence, decreases the secretion of VLDL and cholesterol by the liver.* When niacin is added to statins, it reduces carotid intima-media thickness, a marker of atherosclerosis', 'role': 'assistant'}]