烟酰胺

例句：

1. 1. Vitamin B3 is essential for maintaining good health.
   维生素B3对于保持健康至关重要。
2. 2. The body needs a balanced diet to get enough vitamin B3.
   身体需要均衡的饮食来获得足够的维生素B3。
3. 3. She took vitamin B3 supplements to boost her immune system.
   她服用了维生素B3补充剂来增强她的免疫系统。