Modern research has identified compounds such as allicin in garlic and carvacrol and thymol in oregano, which have been studied for antimicrobial and antioxidant properties. However, while these findings are scientifically interesting, traditional uses do not necessarily prove specific health benefits, and more research is often needed to determine effectiveness for particular conditions.
As a culinary pairing, garlic and oregano are especially popular in Mediterranean dishes because their flavors complement each other well, which may be one reason the combination has remained popular for generations.