Semaglutide API manufacturers

Semaglutide is a GLP-1 receptor agonist; the active ingredient of Novo Nordisk's Ozempic, Wegovy and Rybelsus.

45 listed companies hold an active US Type II Drug Master File for Semaglutide API, based in China (31), India (8), United States (2), Switzerland (2), Netherlands (1), United Arab Emirates (1). 22 have a regulator record of GMP manufacturing, and 4 carry an open FDA warning letter.

Ordered by score. Scores follow the published rules and are not affected by paid placement. Updated 2026-11-13.

Semaglutide API DMF holders (45)

Source: FDA Drug Master File list. Holding a DMF is a regulatory filing, not an FDA approval.

Apicore LLC (RK Pharma)
East Windsor, NJ, USA
High
GMP

RK Pharma subsidiary offering API process R&D, custom synthesis and generic APIs, with US offices and plants in Gujarat and Andhra Pradesh. Holds US DMFs for 6 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Tianjin unit of Asymchem, a CDMO listed in Shenzhen and Hong Kong that makes peptides and oligos; US DMFs for liraglutide and semaglutide.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedCDMO
Auro Peptides Ltd
Sangareddy (near Hyderabad), India
High
GMP

Peptide API subsidiary of Aurobindo Pharma with a plant near Hyderabad. Makes generic peptide APIs and runs GMP contract projects from mg to kg scale.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
Biocon Ltd
Bengaluru, India
High
GMP

Bengaluru biopharma company that makes generic APIs and complex formulations, including GLP-1 peptides. Holds US DMFs for liraglutide, semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Changzhou API and tablet maker founded 1949 with a record of US FDA, EU GMP and PMDA inspections; US DMFs for semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesale
GMP

Hangzhou peptide CRDMO founded in 2001, part of CPC Scientific/Medtide, with production in China and the USA. Holds US DMFs for cetrorelix, semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
FDC Limited
Mumbai, India
High
GMP

Mumbai drugmaker founded in 1936 with six plants, including a US-FDA-accredited API site at Roha; holds an active US DMF for semaglutide.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedUS-FDA Accredited SiteUS DMF HolderIn-House Production
GMP

Hyderabad-based MSN Group entity holding US DMFs for 11 peptide APIs, including semaglutide and tirzepatide. MSN runs 27 plants in India, the USA and Indonesia.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Indian CDMO whose Turbhe, Navi Mumbai site develops and makes peptide APIs by solid- and solution-phase synthesis. Holds US DMFs for 9 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
High
GMP

Jiangsu peptide CDMO and generic API supplier with large automated SPPS capacity; states it has passed four US FDA inspections. Holds US DMFs for 9 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
TAPI NL B.V. (TAPI)
Amsterdam, Netherlands
High
GMP

Dutch holding entity of TAPI, Teva's API and CDMO business, with peptide development and GMP production across a global plant network. Holds US DMFs for 9 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Chinese maker of generic small-molecule, peptide and oligonucleotide APIs, founded in 1998, with an FDA-inspected site in Yangzhou. Holds US DMFs for semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
AmbioPharm
North Augusta, South Carolina, USA
High
GMPCOA

US peptide API CDMO with facilities in the US and China.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionInternational Shipping
Bachem Holding AG
Bubendorf, Switzerland
High
GMPCOA

Swiss peptide and oligonucleotide CDMO with GMP plants in Europe and the US.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionInternational Shipping
Hybio Pharmaceutical
Shenzhen, China
High
GMP

Chinese peptide drug manufacturer producing APIs and finished products.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House Production
PolyPeptide Group
Baar, Switzerland (sites in SE, BE, FR, US, IN)
High
GMPCOA

Peptide-focused CDMO running GMP manufacturing sites on three continents.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionInternational Shipping
High

Beijing API company, founded 2006, that holds DMFs and has its APIs made in partner facilities under its own quality control. Holds US DMFs for 13 peptide APIs.

Model
Manufacturer
Manufacturer?
Yes
WholesaleInternational Shipping

Chongqing maker of diabetes and obesity drugs, active since 2015 and controlled by Zhifei (300122) since 2025; US DMFs for liraglutide and semaglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale
GMP

Chongqing API maker founded in 2016 covering high-potency APIs, peptides and XDC compounds with CDMO services; reports FDA on-site inspections in 2024 and 2025 and holds a US DMF for semaglutide.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedFDA InspectedCDMO ServicesUS DMF HolderHPAPI

Hangzhou drug maker incorporated 1993, part of Shenzhen-listed Huadong Medicine; two group entities hold US DMFs for semaglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale
GMP

Mumbai peptide API maker acquired by Piramal Pharma in 2021; its oxytocin API is WHO-prequalified; US DMF for oxytocin.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleCDMO
GMP

Shenzhen peptide CDMO and API maker founded in 2009, with 13 cGMP lines and 85,000 L of SPPS/LPPS reactor volume. Holds US DMFs for 6 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping

Suzhou API and intermediate maker founded in 2000 offering CDMO/CMO services; holds an active US DMF for semaglutide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionCDMO ServicesUS DMF HolderAPIs & Intermediates

Suzhou peptide API and formulation maker founded in 2000, flagship of Tianma Pharma Group, offering CRO/CMO/CDMO services. Holds US DMFs for 8 peptide APIs.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping
Zydus Worldwide DMCC
Dubai, United Arab Emirates
High

Dubai-incorporated subsidiary of Zydus Lifesciences, the Ahmedabad drug group listed in India; US DMF for semaglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Beijing biotech founded in 2018 that develops and produces recombinant protein and peptide drugs in E. coli for metabolic disease; holds an active US DMF for semaglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionUS DMF HolderRecombinant Peptides

Shanghai bulk peptide maker supplying wholesalers; holds US DMFs for bremelanotide, semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale
Medium

Putian, Fujian peptide API maker founded in 2019 by New Hope and Taiwan's Genovior, focused on GLP-1 APIs. Holds US DMFs for semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping
ISO

Hangzhou peptide maker founded in 2014 offering pharmaceutical, cosmetic and catalog peptides plus peptide CRO/CDMO work; holds an active US DMF for semaglutide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionCDMO ServicesISO 9001US DMF HolderCustom Peptides

Hangzhou peptide API maker and CDMO founded in 2019, supplying therapeutic and cosmetic peptides. Holds US DMFs for linaclotide, semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping
Hetero Drugs Ltd
Hyderabad, India
Medium

Privately held Hyderabad generics and API group with 36+ plants; US DMFs for semaglutide and vasopressin.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Changchun biopharmaceutical maker of somatropin, semaglutide and other APIs; holds active US DMFs for semaglutide and somatropin.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionUS DMF HolderRecombinant APIs

Nanjing supplier of insulin and metabolic peptide APIs with technology transfer services; US DMFs for semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Weihai Sino-US joint venture founded 2016 making peptide APIs and cosmetic peptides; US DMFs for leuprolide and semaglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleCustom Synthesis
Medium

Shenzhen synthetic-biology ingredient maker with semaglutide as its lead biopharma product; US DMFs for semaglutide main chain and side chain.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Leshan-based peptide producer founded in 2015 with SPPS and LPPS lines; holds US DMFs for eptifibatide, semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleCustom Synthesis
Medium

Suzhou peptide CRDMO with GMP workshops built to ICH Q7; US DMFs for semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleCDMOCustom Synthesis
Medium

Suzhou API and intermediates producer offering customized manufacturing. Holds US DMFs for semaglutide, thymalfasin and tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping

Wuhan fermentation-based CDMO founded 2008 making GLP-1 APIs, proteases and cell products; US DMFs for semaglutide and its main chain.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleCDMO

Nantong company founded in 2020 that makes peptides by biosynthesis and offers peptide CMC development. Holds US DMFs for semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping
Medium

Hangzhou company founded in 2020 that makes GLP-1 peptides by fermentation plus semi-synthesis; holds an active US DMF for semaglutide API.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionUS DMF HolderGLP-1 Peptides
GMP

Harbin peptide API maker founded in 2011. Holds US DMFs for 11 peptide APIs. FDA issued it a CGMP warning letter in May 2026 that remains open.

Notice: open regulatory issue
Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping

Nanjing maker of peptide, protein and polysaccharide APIs and finished products, registered in 2017. Holds US DMFs for semaglutide and tirzepatide. FDA warning letter issued Nov 2026.

Notice: open regulatory issue
Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping
GMP

Mumbai-based generics group that makes APIs and finished medicines. Holds US Type II DMFs for 15 peptide APIs, including GLP-1s and GnRH analogues.

Notice: open regulatory issue
Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Large Zhejiang API and generic drug maker founded in 1989 and listed in Shanghai; holds active US DMFs for semaglutide and a semaglutide intermediate. It has an open FDA warning letter from June 2025.

Notice: open regulatory issue
Model
Manufacturer
Manufacturer?
Yes
FDA InspectedUS DMF HolderIn-House ProductionAPIs & Finished Dosage

Other peptide APIs

Related

Frequently asked questions

Who manufactures Semaglutide API?

Companies holding active US DMFs for Semaglutide include Apicore LLC (RK Pharma), Asymchem Life Science (Tianjin) Co., Ltd, Auro Peptides Ltd, Biocon Ltd, Changzhou Pharmaceutical Factory (CPF), Chinese Peptide Company (CPC Scientific), FDC Limited, MSN Life Sciences Private Ltd (MSN Group), Piramal Pharma Ltd (Piramal Pharma Solutions), Sinopep-Allsino Biopharmaceutical Co., Ltd. and 35 more. Other manufacturers may supply it without a US DMF.

Where are Semaglutide API manufacturers based?

Among listed DMF holders: China (31), India (8), United States (2), Switzerland (2), Netherlands (1), United Arab Emirates (1).

Do any Semaglutide API holders have FDA warning letters?

Harbin Jixianglong Biotech Co., Ltd., Nanjing Hanxin Pharmaceutical Technology Co., Ltd., Sun Pharmaceutical Industries Ltd and Zhejiang Huahai Pharmaceutical Co., Ltd. have an open FDA warning letter, shown on the listing and in the FDA enforcement tracker.

Does a DMF mean the API is FDA approved?

No. FDA reviews a DMF when a drug application references it and does not approve DMFs on their own.