Otsuka Pharmaceutical was established in 1964. Otsuka Pharmaceutical is committed to a holistic approach to people's health and well-being and strives to create innovative and original pharmaceutical and nutraceutical products based on its corporate philosophy "Otsuka-people creating new products for better health worldwide."

Otsuka Pharmaceutical is a holistic healthcare company with two core businesses: its pharmaceuticals business, focused on creating breakthrough treatments for disease, and its nutraceutical business that provides innovative products to help people maintain or improve their health.