Top 10 Tirzepatide (Mounjaro) Biosimilar Manufacturers in South Korea

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Written by Robert Gultig

6 January 2026

Top 10 Tirzepatide (Mounjaro) Biosimilar Manufacturers in South Korea

The pharmaceutical landscape in South Korea is rapidly evolving, particularly in the diabetes and obesity treatment sectors, where Tirzepatide (Mounjaro) has garnered significant attention. As of 2023, the global biosimilars market is projected to reach approximately $50 billion, with South Korea being a prominent player due to its advanced biopharmaceutical infrastructure and research capabilities. The increasing prevalence of diabetes has led to a steady rise in the demand for Tirzepatide biosimilars, with an estimated market growth rate of 12% annually in the region. Below is a detailed overview of the top manufacturers involved in the development and production of Tirzepatide biosimilars in South Korea.

1. Samsung Biologics

Samsung Biologics is a leading biopharmaceutical company in South Korea, known for its state-of-the-art manufacturing capabilities. The company has a production capacity of over 362,000 liters, making it one of the largest biomanufacturers globally. Samsung is investing in biosimilars, with a focus on expanding its portfolio to include Tirzepatide biosimilars.

2. LG Chem

LG Chem is a prominent player in the South Korean pharmaceutical market, with a market share of approximately 14% in the biopharmaceutical sector. The company is actively developing biosimilars, including those targeting Tirzepatide, to meet the increasing demand for diabetes treatments. LG Chem’s R&D investment in biosimilars has risen by 20% year-over-year.

3. Celltrion

Celltrion is recognized as one of the top biosimilar manufacturers in South Korea. The company has a market capitalization of around $10 billion and reported revenue of approximately $1.5 billion in 2022. Celltrion is focusing on Tirzepatide biosimilars to leverage its expertise in monoclonal antibody production and expand its product offerings.

4. Hanmi Pharmaceutical

Hanmi Pharmaceutical is a key player in the South Korean pharmaceutical industry, with a strong focus on innovative drugs and biosimilars. The company has reported a 15% increase in its biosimilar sales over the past year and is actively working on Tirzepatide biosimilars to tap into the growing diabetes market.

5. SK Biopharmaceuticals

SK Biopharmaceuticals has been making strides in developing biosimilars alongside its innovative drug portfolio. The company has invested heavily in R&D, with over $200 million allocated to biosimilar development in 2022. Tirzepatide biosimilars are part of SK’s pipeline, reflecting its commitment to addressing diabetes treatment needs.

6. Daewoong Pharmaceutical

Daewoong Pharmaceutical is known for its focus on biotechnology and biosimilars. The company has a market share of approximately 6% in South Korea’s biosimilar sector and aims to expand its offerings with Tirzepatide biosimilars. Daewoong’s investment in biopharmaceuticals has increased by 25% over the past two years.

7. Boryung Pharmaceutical

Boryung Pharmaceutical has been involved in the development of biosimilars for several years, with a particular focus on diabetes medications. The company has reported a revenue increase of 10% in its biosimilar division in 2022. Boryung is currently exploring Tirzepatide biosimilar production to meet emerging market demands.

8. Genexine

Genexine is a biopharmaceutical company that has a strong emphasis on innovative medicines and biosimilars. The company is advancing its R&D efforts to produce Tirzepatide biosimilars to capitalize on the growing market. Genexine’s revenue from biosimilars has seen a 30% increase in the past year.

9. Kwangdong Pharmaceutical

Kwangdong Pharmaceutical has a diverse portfolio, including biosimilars, with a focus on diabetes treatments. The company is working on developing Tirzepatide biosimilars to strengthen its position in the market. Kwangdong’s investment in biosimilars has increased by 15% in 2023.

10. Medytox

Medytox is a leading biopharmaceutical company specializing in biomedicines and biosimilars. The company reported a growth rate of 20% in its biosimilar segment in 2022. Medytox is exploring opportunities in Tirzepatide biosimilars, aiming to enhance its presence in the diabetes treatment market.

Insights

The biosimilars market in South Korea is poised for substantial growth, particularly in the diabetes and obesity treatment segments, driven by the demand for Tirzepatide alternatives. The increasing prevalence of diabetes in the region, projected to affect approximately 5 million people by 2030, is fueling this demand. Moreover, the South Korean government is encouraging the development of biosimilars through various incentives, further bolstering industry growth. As companies enhance their R&D efforts and production capacities, the competitive landscape will likely intensify, leading to innovative treatment options for patients and increased market opportunities for manufacturers.

Related Analysis: View Previous Industry Report

Author: Robert Gultig in conjunction with ESS Research Team

Robert Gultig is a veteran Managing Director and International Trade Consultant with over 20 years of experience in global trading and market research. Robert leverages his deep industry knowledge and strategic marketing background (BBA) to provide authoritative market insights in conjunction with the ESS Research Team. If you would like to contribute articles or insights, please join our team by emailing support@essfeed.com.
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