About Otsuka

Otsuka Pharmaceutical was established in 1964.
At Otsuka Pharmaceutical, we are committed to a holistic approach to health and well-being of people and are striving to create innovative, thoroughly-original pharmaceutical and nutraceutical products based on our corporate philosophy
"Otsuka-people creating new products for better health worldwide".

Message from Top Management

Otsuka-people creating new products for better health worldwide

Otsuka People Talk

Otsuka employees share their stories of continually rising to the challenge

Corporate Profile

Timeline of Otsuka's History

Contact Addresses in Japan

Affiliated Companies Around the World

Production Activities

Original Global Development

Business Collaborators

Corporate Governance

Other Information

Corporate brochure

Download our corporate brochure

(PDF：9.69MB)

Otsuka Virtual Factory Tour (Japanese)

News Releases

Nutraceuticals

Pharmavite, a U.S. subsidiary of Otsuka Pharmaceutical, acquires Bonafide Health, a provider of women's health products

Otsuka Pharmaceutical to Sponsor Thematic Project "Resonance of Lives" at the Expo 2025 Osaka, Kansai, Japan

Pharmaceuticals

Otsuka's U.K. subsidiary Astex Has Third Approval Success in a Drug Discovery Collaboration - AstraZeneca's Truqap™ for the treatment of metastatic breast cancer approved in the U.S.

Global Topics