This document summarizes research on the potential use of eugenol as a new anti-depressant. Eugenol is a natural compound found in some plants and spices that has demonstrated various biological activities, including anti-microbial and anti-inflammatory effects. It is currently used as a food flavoring and preservative, and in dentistry. The document discusses depression as a common psychiatric disorder, current drug treatments for depression, and opportunities to study eugenol's mechanism of action and potential therapeutic effects on depression, based on its biological profile.