North american herb & spice oreganol oil of oregano is derived from wild, handpicked oregano from a mediterranean source for absolute quality of ingredients. Oil of oregano is a natural remedy that can be used as a topical treatment for minor skin issues or dropped under the tongue for a daily dose of oreganol p73. This non-gmo product comes packaged in a convenient dropper for easy use. Each bottle provides 1 fl. Oz of oreganol.