food supplement

例句：

1. 1. She added a few drops of olive oil to her salad for extra nutrition.
   她往沙拉里加了一点橄榄油以增加营养。
2. 2. The doctor recommended the patient take vitamin supplements daily to boost his immune system.
   医生建议病人每天服用维生素补充剂来增强免疫系统。
3. 3. Many people choose to take multivitamins as a food supplement to ensure they are getting all the necessary nutrients.
   许多人选择服用多种维生素作为食物补充剂，以确保他们获得所有必要的营养素。