免疫 めんえき賦活 ふかつ ざいじゃなかったです
men'ekifukatsuzaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 免疫賦活剤

1. Wasn't an immunity booster.; Wasn't an immune activator.

Past/Perfective
Negative
Polite
Casual Register