American Regent
American Regent, Inc. is a US-based pharmaceutical company and member of the Daiichi Sankyo Group that develops, manufactures, and delivers sterile injectable medicines for humans and animals.
Last updated September 15, 2026
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Overview
American Regent, Inc. is a US-based manufacturer of sterile injectable pharmaceutical products and a member of the Daiichi Sankyo Group. Founded in 1967, the company describes itself as one of the leading pharmaceutical companies in the United States, with a business mix of branded and generic injectables. Its commercial business units include multisource and branded hospital injectables and a brand iron franchise, and it also operates an animal health business serving horses and dogs.
History
American Regent describes a long history beginning in 1967, when it started as a US-based manufacturer. From those small beginnings, the company states it has grown to become one of the leading pharmaceutical companies in the United States. Its business is a mix of branded and generic injectables. For nearly 25 years it has been a leader in IV iron therapy, supplying the US market with two top-selling brands, and for over 40 years its animal health business has delivered solutions supporting the long-term health and well-being of horses and dogs, anchored by two leading animal joint health brands. The company is a member of the Daiichi Sankyo Group.
Products and positioning
A US-based manufacturer of branded and generic sterile injectables, with leadership in IV iron therapy and animal joint health.
Venofer (iron sucrose injection, USP)
An IV iron therapy product listed among American Regent's offerings.
Injectafer
Part of the brand iron franchise; manufactured under license by American Regent, Inc. and marketed by Daiichi Sankyo, Inc.
Adequan
A registered trademark of American Regent, Inc. in animal health.
BetaVet
A registered trademark of American Regent, Inc. in animal health.
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