“滋补品”的英语可以翻译为：invigorant ...

这将作为老年人滋补品在市场上销售.It will be marketed as a tonic for the elderly.推销员宣称他的滋补品将治愈所有的病.The salesman proclaimed that his tonic would cure all diseases.你看上去有点虚弱, 你需要吃点滋补品.You look run - down; you need a tonic....