還かん元げん酵こう素そ阻そ害がい剤ざいMeaningsNoun1. reductase inhibitorKanji used還finally return元origin酵fermentation素elementary阻get in one's way害harm剤chemical substanceComposed of還かん元げんrestoration; return; reduction; resolution; deoxidization; deoxidationNoun酵こう素そenzymeNoun阻そ害がいobstruction; impediment; hindrance; inhibition; blocking; checkNoun剤ざいmedicine; agent; (chemical) substance; drug; doseSuffix