Oregano is rich in numerous vitamins, minerals, and phytochemicals. Its high levels of antioxidants that make it a superfood of interest. It has one of the highest levels of antioxidants of all herbs. The active compounds in oregano also help fight inflammation, in part, by blocking the actions of pro-inflammatory enzymes in the body. In some studies, researchers have found that extracts of rosmarinic acid, the most abundant phenol in oregano, reduced inflammation associated with arthritis, allergies, and asthma. What’s more, oregano oil has carvacrol that aids in weight loss and helps in reducing visceral fat.