There is no substitute for Super Strength Oreganol P73, the original, truly wild, organic, oregano oil that is produced by old-fashioned steam distillation. Our P73 daily use formula is the only, truly unprocessed, full-spectrum wild oregano oil available. As a natural product our carvacrol levels are 73% or above while our blended oregano species creates a synergistic balance of over 30 phytochemicals.