免疫 めんえき賦活 ふかつ ざいではありませんでした
men'ekifukatsuzaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 免疫賦活剤

1. Was not an immunostimulant.; Was not an immune booster.

Past/Perfective
Negative
Polite
Formal Register