Canntab Therapeutics Limited, a phytopharmaceutical company, engages in the research and development of advanced pharmaceutical grade formulations of cannabinoids in Canada. It offers oral dosage formulations of pharmaceutical cannabis, including sustained release cannabinoid formulations and pellets, immediate release cannabidiol formulations, modified-release multi-layer cannabinoid formulations, flash-melt cannabinoid formulations, and bi-layer cannabinoid tablets for treating sleep disorders, post-traumatic stress disorder, social anxiety, addiction, arthritis, general pain, pain management and appetite loss associated with cancer treatments, and addiction treatment therapy of opioids and other painkillers. Canntab Therapeutics Limited is headquartered in Markham, Canada.