This cluster of papers focuses on the pharmacological aspects, traditional uses, phytochemistry, and medicinal value of Psidium guajava (guava). It covers a wide range of studies including isolation of bioactive compounds, antimicrobial and antioxidant activities, hypoglycemic and anti-inflammatory effects, and the potential health benefits of guava leaf extracts. The research also explores the antidiabetic, anti-cancer, and anti-inflammatory properties of Psidium guajava.