Oregano is an antioxidant for the maintenance of good health.* It includes phytochemicals to support the body’s natural resistance, helps support a healthy microbia. Natural Factors Oil of Oregano includes minimum 80% carvacrol, the primary indicator of an oregano oil’s strength. It is blended in a 1:4 ratio with organic, cold-pressed, extra-virgin olive oil for improved absorption and consistency. Oregano is derived from wild-crafted Mediterranean oregano. The oil is extracted from the handpicked leaves using steam distillation, ensuring that the oil is free of chemical solvents in accorordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.