Jinan Zhongxin Pharmaceutical Company has this medicine.
Nicotinic acid tablets 0.05g* 100 tablets.
Tianjin Li Sheng Pharmaceutical Co., Ltd. 2.80
Nicotinic acid tablets100 * 50mg
Shanghai Pharmaceutical (Group) Co., Ltd. Xinyi Pharmaceutical General Factory 2.80
Nicotinic acid injection 10*2ml:20mg
Jinan Yongning Pharmaceutical Co., Ltd. 8.40
Very cheap things, pharmacies sometimes close. You can go to a larger general hospital.