Contact Us

*We may not be able to respond to all online inquiries.
*We can only respond to inquiries about products sold in Japan.

Inquiries about our products
Other inquiries

Inquiries about our products

Inquiries about beverages, food products, and supplements

Please read before contacting us

Products information

FAQs about drinks, food products, and supplements

Inquiry form

Inquiries about prescription drugs (except infusions, Racol, and Twin Line)

Inquiry Form

Based on the role and mission of the medicine inquiry service advocated by the Japan Pharmaceutical Manufacturers Association, we provide information on the proper use of medicines.

Inquiries about infusions, Racol, Twin Line and Medical Foods (OS-1, Engelead, GFO etc.)

Please contact Otsuka Pharmaceutical Factory, Inc.

Otsuka Pharmaceutical Factory, Inc.

Inquiries about cosmetics, quasi-drugs and over-the-counter drugs

Inquiry Form

Inquiries about research reagents and products of Cambridge Isotope Laboratories, Inc. (CIL)

Inquiry Form

Other inquiries

Pharmaceutical business collaboration inquiries

Inquiry Form

Please note that we can only accept inquiries regarding pharmaceutical partnering/licensing activities via this inquiry form.

Inquiries about the company

Inquiry Form