Optima Medical Innovations Corp. produces and sells hemp-based cannabidiol (CBD) products in Canada and internationally. It offers industrial hemp-derived CBD oil, airless metered pens, capsules, topicals, and tinctures. The company also operates multidisciplinary pain clinics, which focuses on the treatment of chronic pain, including comprehensive, medical, and interventional pain management; independent medical evaluations; physiotherapy and chiropractic care; and medical cannabis and platelet rich plasma therapy, as well as mindfulness teaching. It has a research agreement with the Ryerson University for medical cannabis research and new medical grade products development. The company was formerly known as Tree of Knowledge International Corp. and changed its name to Optima Medical Innovations Corp. in November 2021. Optima Medical Innovations Corp. is based in Toronto, Canada.