An antioxidant combination made from nature’s best! Sports Research® Oil of Oregano and Black Seed Oil is an essential combination for antioxidant and immune support. With oregano oil extracted from the oregano plant, it is rich in antioxidants and Vitamin K. Black Cumin Seed Oil complements this well as it's rich in Thymoquinone, a natural antioxidant, and is extracted from the seeds of the Nigella plant, coming together as a healthy duo that provides antioxidant and immune support in a natural way.*