Otsuka Holdings Co., Ltd. engages in the management of its group companies which are in the pharmaceuticals business. It operates through the following segments: Pharmaceuticals, Nutraceuticals, Consumer Products, and Others. The Pharmaceuticals segment manufactures therapeutic drugs and infusions focusing on the central nervous system, oncology, and infectious diseases. The Nutraceuticals segment develops and markets nutrition products such as nutritional food, quasi-drugs, health drinks, and dietary supplements for homes, medical facilities, and nursing care units. The Consumer Products segment sells mineral water, food, and beverages. The Others segment distributes functional and fine chemicals, optical inspection devices, and clinical diagnosis equipment. The company was founded on July 8, 2008 and is headquartered in Tokyo, Japan.