Ultimate support for the immune system. Wild Oregano (Origanum vulgare) has a history of medical use that dates back to ancient Greece. It was used extensively both internally and externally, as medicine. To the Greeks this plant was sacred and synonomous with health. Wild Oregano has a unique essential oil content of phenolic compounds that have anti-microbial activity. Current medical research has found the phenol, Carvacrol, to be the active biochemical in Wild Oregano that provides the anti-microbial action and immune building properties.