functional beverage

例句：

1. 1.Many people choose to drink functional beverages as a way to stay hydrated during the hot summer days.
   许多人选择喝功能性饮料作为在炎热的夏天保持水分的方法。
2. 2. The functional beverage was designed to help people with diabetes manage their blood sugar levels.
   这种功能性饮料被设计用来帮助糖尿病患者管理他们的血糖水平。
3. 3. A recent study found that functional beverages can improve cognitive function in older adults.
   最近的一项研究发现，功能性饮料可以改善老年人的认知功能。