Oregano oil is a product made from the oregano plant, Origanum vulgare. It contains a higher concentration of the helpful compounds that occur naturally in the plant
However, it can also be concentrated into an essential oil that's loaded with antioxidants and powerful compounds that have proven health benefits. Oregano oil appears to be useful both when consumed or applied to the skin. Interestingly, it's an effective natural antibiotic and anti-fungal, and may also help you lose weight and lower your cholesterol levels.