These suppliers sell to businesses and laboratories, not to individuals. Listed for reference, in A-Z order.
Wholesale Peptide Suppliers
66 active suppliers tracked. Looking to buy a single vial? Switch to retail vendors.
Belmar Pharma Solutions
Prescription RequiredWholesaleActiveBio Basic
International (Manufacturer)WholesaleActiveBiomatik
International (Manufacturer)WholesaleActiveBulk Peptide Wholesale
US ManufacturerWholesaleActiveCanPeptide
International (Manufacturer)WholesaleActiveChangsha Duole Technology
Chinese Direct (Manufacturer)WholesaleActiveDalian Handom Chemicals HDC
Chinese Direct (Manufacturer)WholesaleActiveDiju Peptides Wellness and Co
International (Manufacturer)WholesaleActiveEmpower Pharmacy
Prescription RequiredWholesaleActiveGGPeps
WholesaleActiveGuangzhou Lengiuanhuang Cosmetics
Chinese Direct (Manufacturer / Retailer)WholesaleActiveHaikou Mingheng Biotechnology
Chinese Direct (Manufacturer / Retailer)WholesaleActiveFailed Finnrick Analytics quality testing across 29 products; average score 6.8/10, minimum score 3.6/10, indicating significant quality failures.
Hangzhou Mandy Biotechnology
Chinese Direct (Manufacturer / Retailer)WholesaleActiveHuaian Hanyou Peptide
Chinese Direct (Manufacturer / Retailer)WholesaleActiveHuatai Peptide
Chinese Direct (Manufacturer / Retailer)WholesaleActiveHuayi Biotechnology
Chinese Direct (Manufacturer / Retailer)WholesaleActiveHunan Ruiwang Technology Center
Chinese Direct (Manufacturer)WholesaleActiveInno Peptides
Chinese Direct (Manufacturer / Retailer)WholesaleActiveJD BioWorks
US RetailerWholesaleActivePartnerJinan Elitepeptide Chemical (JEC/JCE)
Chinese Direct (Manufacturer / Retailer)WholesaleActiveMarvel Peptide
Chinese Direct (Manufacturer / Retailer)WholesaleActiveMokemei Zhengzhou Biotechnology (MKM)
Chinese Direct (Manufacturer / Retailer)WholesaleActiveMT Meipept
Chinese Direct (Manufacturer / Retailer)WholesaleActiveNanjing Xiyuxun Technology XYX
Chinese Direct (Manufacturer)WholesaleActiveNorco
WholesaleActiveOlympia Pharmaceuticals
Prescription RequiredWholesaleActivePeptiAtlas
Chinese Direct (Manufacturer / Retailer)WholesaleActiveFDA Class II Recall D-0118-2026 (October 15, 2025) for Semaglutide Injection product line; reason: lack of assurance of sterility.
QSC (Qingdao Sigma Chemical)
Chinese Direct (Manufacturer)WholesaleActiveRayshine Peptide Biochemicals
Chinese Direct (Manufacturer / Retailer)WholesaleActiveRed Leaf Research Labs
International (Manufacturer)WholesaleActiveShaanxi Dideu Medichem
Chinese Direct (Manufacturer)WholesaleActiveShandong Nuoweiou Medical Technology Co
Chinese Direct (Manufacturer / Retailer)WholesaleActiveShanghai OuDaXin New Material Technology Center
Chinese Direct (Manufacturer)WholesaleActiveShanxi Qianyecao Biotech QYC
Chinese Direct (Manufacturer / Retailer)WholesaleActiveTCI (Tokyo Chemical Industry)
International (Manufacturer)WholesaleActiveTianjin Eleli Technology Development
Chinese Direct (Manufacturer / Retailer)WholesaleActiveTMC Acquisition LLC dba Tailor Made Compounding
Prescription RequiredWholesaleActiveUniversity Compounding Pharmacy
Prescription RequiredWholesaleActiveVita Pharmacy, LLC dba Talon Compounding Pharmacy
Prescription RequiredWholesaleActiveWllyBIO
Chinese Direct (Manufacturer / Retailer)WholesaleActiveWuhan Newtop Biotech
Chinese Direct (Manufacturer / Retailer)WholesaleActiveXian Yihang Technology
Chinese Direct (Manufacturer / Retailer)WholesaleActiveXingtai Lesda Technology
Chinese Direct (Manufacturer)WholesaleActiveYongkang Nuoao Trading Co
Chinese Direct (Manufacturer / Retailer)WholesaleActiveZhengzhou Lanyun
Chinese Direct (Manufacturer / Retailer)WholesaleActiveThese vendors are no longer operating. Avoid any sites still using their names - copycat domains are active.
Downing Labs, LLC
ClosedClosed - No longer operating
Sterility assurance failure in compounded peptide injection product
Hangzhou Youngpeptide Biotechnology (HYB)
ClosedClosed - None Known
Consistent product quality failures; 17 tested products averaged 6.3/10 purity/quantity score with minimum score of 0.0, indicating some products failed completely - Closed
KRS Global Biotechnology, Inc
ClosedClosed - No longer operating
FDA Class II recall (D-0093-2020) for Sermorelin Acetate 9mg/GHRP-2 5.4mg vials due to lack of assurance of sterility; recall initiated September 12, 2019 and terminated; nationwide distribution affected
Moses Lake Professional Pharmacy
ClosedClosed - No longer operating
Sterility assurance failures in compounded injectable solutions including SERMORELIN/GHRP-6/GHRP-2 formulations
North American Custom Laboratories LLC dba FarmaKeio
ClosedClosed - FDA Class II Recall D-0776-2022 (April 5, 2022) for BPC-157 injectable formulation; reason: lack of assurance of sterility and CGMP deviations.
Closed (April 2022)
Olympia Pharmacy
ClosedClosed - No longer operating
Lack of assurance of sterility; inadequate quality control processes identified during FDA inspection
Promise Pharmacy, LLC
ClosedClosed - FDA Class II Recall D-0447-2019, initiated December 17, 2018, for lack of assurance of sterility in compounded Thymosin Beta-4 injections; distributed nationwide.
Sterility assurance failure in compounded Thymosin Beta-4 product
Shanghai Wibson Biotechnology (WBS)
ClosedClosed - None Known
Declining quality trend from B toward C grade; inconsistent product quality with wide variance in test results (4.6-10.0 range)
The Compounding Shop, Inc.
ClosedClosed - No longer operating
FDA Class II recall for Carnosine 5% ophthalmic drops due to lack of assurance of sterility; quality control process failures identified during FDA inspection
Town and Country Compounding and Consultation Services
ClosedClosed - No longer operating
Non-sterile compounding resulting in microbial contamination
Tri-Coast Pharmacy
ClosedClosed - No longer operating
Compounded peptide product failed sterility assurance testing
For educational and research purposes only. Not medical advice. Always consult a qualified healthcare provider before using any research compound.