150 x 25mg Gelatine Capsules Oregano is an ancient medicine which dates to the beginning of human history. A queen's grave from the Middle East, carbon dated to be 50,000 years old, contained several medicinal plants one of which was oregano. The oil from the plant is used to eradicate parasites and to treat bacterial infestations. It is a potent anti viral shown to be effective againts general infections such as colds and influenza.