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Retatrutide test history 200 tests 138 pass 58 fail 4 incompleteCOA-backed lab tests Date Result Test Lab Purity Dosage Label COA 22 Jul 2026Pass Wuhan Wansheng Biotechnology Retatrutide lab name login to view View COA 22 Jul 2026Pass Ion Peptide Retatrutide lab name login to view View COA 22 Jul 2026Pass Zenith Jove Peptide ZJ Retatrutide lab name login to view View COA 22 Jul 2026Pass Ion Peptide Retatrutide lab name login to view View COA 22 Jul 2026Fail Rethel Jinan New Energy Technology Retatrutide lab name login to view View COA 22 Jul 2026Fail LN Peptides Retatrutide lab name login to view View COA 22 Jul 2026Pass Shanghai ERP peptide Biotechnology Retatrutide lab name login to view View COA 22 Jul 2026Pass Zenith Jove Peptide ZJ Retatrutide lab name login to view View COA 20 Jul 2026Pass Lipeptides Retatrutide lab name login to view View COA 20 Jul 2026Pass HXNet Retatrutide lab name login to view View COA 20 Jul 2026Pass Heman Peptide HM Retatrutide lab name login to view View COA 20 Jul 2026Pass TSC Top Supplements China Retatrutide lab name login to view View COA 20 Jul 2026Pass ZePeptide Retatrutide lab name login to view View COA 20 Jul 2026Fail ZePeptide Retatrutide lab name login to view View COA 20 Jul 2026Pass Reta-Peptide Retatrutide lab name login to view View COA 20 Jul 2026Pass Bfflink Retatrutide lab name login to view View COA 20 Jul 2026Fail Shanghai Leader Peptide Biotechnology Retatrutide lab name login to view View COA 20 Jul 2026Pass Nexaph Retatrutide lab name login to view View COA 20 Jul 2026Fail HealthTide Biotech Retatrutide lab name login to view View COA 20 Jul 2026Pass LiliPeptide Retatrutide lab name login to view View COA 20 Jul 2026Pass Retalux Retatrutide lab name login to view View COA 20 Jul 2026Pass Henan Sahe Peptide Retatrutide lab name login to view View COA 20 Jul 2026Fail Tianjin Finder Chemical TFC Retatrutide lab name login to view View COA 20 Jul 2026Pass Hengan Peptide Factory Retatrutide lab name login to view View COA 20 Jul 2026Pass LP Peptide Retatrutide lab name login to view View COA 20 Jul 2026Pass Hybiopeptides Retatrutide lab name login to view View COA 20 Jul 2026Pass Retalux Retatrutide lab name login to view View COA 20 Jul 2026Fail Guangzhou Jeep Biotechnology JEEP Retatrutide lab name login to view View COA 20 Jul 2026Fail Hangzhou Youngpeptide Biotechnology HYB Retatrutide lab name login to view View COA 20 Jul 2026Pass Heman Peptide HM Retatrutide lab name login to view View COA 20 Jul 2026Pass Mokemei Zhengzhou Biotechnology MKM Retatrutide lab name login to view View COA 20 Jul 2026Pass Shanghai Leader Peptide Biotechnology Retatrutide lab name login to view View COA 20 Jul 2026Pass Shanghai ERP peptide Biotechnology Retatrutide lab name login to view View COA 20 Jul 2026Fail ZePeptide Retatrutide lab name login to view View COA 20 Jul 2026Fail Zen Peptides Retatrutide lab name login to view View COA 20 Jul 2026Fail ZePeptide Retatrutide lab name login to view View COA 20 Jul 2026Pass Heman Peptide HM Retatrutide lab name login to view View COA 20 Jul 2026Fail Shandong Shengyuan Peptide Technology Retatrutide lab name login to view View COA 20 Jul 2026Pass Jinan Elitepeptide Chemical JEC JCE Retatrutide lab name login to view View COA 20 Jul 2026Pass Amino Lair Retatrutide lab name login to view View COA 20 Jul 2026Pass Lipeptides Retatrutide lab name login to view View COA 20 Jul 2026Pass Peptide Pole Hongkong Retatrutide lab name login to view View COA 20 Jul 2026Pass Dankang BioHealth Retatrutide lab name login to view View COA 20 Jul 2026Fail Laicuinuo LCN Retatrutide lab name login to view View COA 20 Jul 2026Fail Huaian Hanyou Peptide Retatrutide lab name login to view View COA 20 Jul 2026Pass HkRoids Retatrutide lab name login to view View COA 20 Jul 2026Pass HK Peptides Retatrutide lab name login to view View COA 20 Jul 2026Pass ZePeptide Retatrutide lab name login to view View COA 20 Jul 2026Pass SPB Retatrutide lab name login to view View COA 17 Jul 2026Fail Henan Sahe Peptide Retatrutide lab name login to view View COA 17 Jul 2026Pass Inno Peptides Retatrutide lab name login to view View COA 17 Jul 2026Pass Yidan Biotech Retatrutide lab name login to view View COA 17 Jul 2026Pass Lejian Biotech Peptide Retatrutide lab name login to view View COA 17 Jul 2026Pass YuanSense Tech Retatrutide lab name login to view View COA 17 Jul 2026Pass CertaPeptides Retatrutide lab name login to view View COA 17 Jul 2026Pass Lejian Biotech Peptide Retatrutide lab name login to view View COA 17 Jul 2026Fail LP Peptide Retatrutide lab name login to view View COA 17 Jul 2026Pass CertaPeptides Retatrutide lab name login to view View COA 17 Jul 2026Pass Shanghai Baoju Retatrutide lab name login to view View COA 17 Jul 2026Pass Shenzhen Loga Tech LG LOGA Retatrutide lab name login to view View COA 17 Jul 2026Pass EHZ Peptides Retatrutide lab name login to view View COA 17 Jul 2026Pass Huaian Hanyou Peptide Retatrutide lab name login to view View COA 17 Jul 2026Pass Wuhan Wansheng Biotechnology Retatrutide lab name login to view View COA 17 Jul 2026Pass Guangzhou Jeep Biotechnology JEEP Retatrutide lab name login to view View COA 17 Jul 2026Fail Rethel Jinan New Energy Technology Retatrutide lab name login to view View COA 17 Jul 2026Fail Huaian Hanyou Peptide Retatrutide lab name login to view View COA 17 Jul 2026Fail Mokemei Zhengzhou Biotechnology MKM Retatrutide lab name login to view View COA 17 Jul 2026Pass Shanghai Wibson Biotechnology WBS Retatrutide lab name login to view View COA 17 Jul 2026Fail Welon Peptide Solutions Retatrutide lab name login to view View COA 15 Jul 2026Pass Bfflist AMO Retatrutide lab name login to view View COA 15 Jul 2026Pass Qianmiao Peptide Retatrutide lab name login to view View COA 15 Jul 2026Pass Inno Peptides Retatrutide lab name login to view View COA 15 Jul 2026Fail Get Peptidess Retatrutide lab name login to view View COA 14 Jul 2026Fail LP Peptide Retatrutide lab name login to view View COA 14 Jul 2026Fail Qianmiao Peptide Retatrutide lab name login to view View COA 14 Jul 2026Fail Hengan Peptide Factory Retatrutide lab name login to view View COA 14 Jul 2026Pass Simple Peptide Retatrutide lab name login to view View COA 13 Jul 2026Pass Henan Sahe Peptide Retatrutide lab name login to view View COA 13 Jul 2026Pass Guangzhou Lengiuanhuang Cosmetics Retatrutide lab name login to view View COA 13 Jul 2026Fail Guangzhou Jeep Biotechnology JEEP Retatrutide lab name login to view View COA 13 Jul 2026Pass Lumira Retatrutide lab name login to view View COA 13 Jul 2026Fail LP Peptide Retatrutide lab name login to view View COA 13 Jul 2026Fail Nexaph Retatrutide lab name login to view View COA 13 Jul 2026Fail Xingtai Jiachuang Technology Retatrutide lab name login to view View COA 13 Jul 2026Fail ZePeptide Retatrutide lab name login to view View COA 13 Jul 2026Fail Tianjin Finder Chemical TFC Retatrutide lab name login to view View COA 13 Jul 2026Pass Zhengzhou Lan Yun Cosmetic Trading Retatrutide lab name login to view View COA 13 Jul 2026Fail Marvel Pep Retatrutide lab name login to view View COA 13 Jul 2026Pass GGPeps Retatrutide lab name login to view View COA 13 Jul 2026Pass SYS Pharma Corp Retatrutide lab name login to view View COA 13 Jul 2026Fail Yiwu Aozuo Trading Co Retatrutide lab name login to view View COA 13 Jul 2026Pass Oupeptide Retatrutide lab name login to view View COA 13 Jul 2026Pass Laicuinuo LCN Retatrutide lab name login to view View COA 13 Jul 2026Pass Huaian Hanyou Peptide Retatrutide lab name login to view View COA 13 Jul 2026Pass ZLZ Peptide Retatrutide lab name login to view View COA 13 Jul 2026Fail Go Alpha Labs Peptides Retatrutide lab name login to view View COA 13 Jul 2026Pass Heman Peptide HM Retatrutide lab name login to view View COA 13 Jul 2026Pass HK Peptides Retatrutide lab name login to view View COA 13 Jul 2026Pass ZePeptide Retatrutide lab name login to view View COA 13 Jul 2026Pass Amino Lair Retatrutide lab name login to view View COA 13 Jul 2026Pass Heman Peptide HM Retatrutide lab name login to view View COA 13 Jul 2026Pass Tianjin Eleli Technology Development Retatrutide lab name login to view View COA 13 Jul 2026Pass Shanghai ERP peptide Biotechnology Retatrutide lab name login to view View COA 13 Jul 2026Pass Retalux Retatrutide lab name login to view View COA 13 Jul 2026Pass Heman Peptide HM Retatrutide lab name login to view View COA 13 Jul 2026Fail LP Peptide Retatrutide lab name login to view View COA 13 Jul 2026Pass Go Alpha Labs Peptides Retatrutide lab name login to view View COA 13 Jul 2026Fail Mei Peptide Retatrutide lab name login to view View COA 13 Jul 2026Pass Shanghai Wibson Biotechnology WBS Retatrutide lab name login to view View COA 13 Jul 2026Fail LP Peptide Retatrutide lab name login to view View COA 13 Jul 2026Pass HXNet Retatrutide lab name login to view View COA 13 Jul 2026Pass LSPL Retatrutide lab name login to view View COA 13 Jul 2026Pass Qingdao Sigma Chemical QSC Retatrutide lab name login to view View COA 13 Jul 2026Fail PurePeptides Retatrutide lab name login to view View COA 13 Jul 2026Pass Cellupep Retatrutide lab name login to view View COA 13 Jul 2026Pass Lumira Retatrutide lab name login to view View COA 13 Jul 2026Pass ZePeptide Retatrutide lab name login to view View COA 13 Jul 2026Pass EHZ Peptides Retatrutide lab name login to view View COA 13 Jul 2026Fail Xingtai Jiachuang Technology Retatrutide lab name login to view View COA 13 Jul 2026Pass Guangzhou Jeep Biotechnology JEEP Retatrutide lab name login to view View COA 13 Jul 2026Pass Amino Lair Retatrutide lab name login to view View COA 13 Jul 2026Pass Lumira Retatrutide lab name login to view View COA 13 Jul 2026Fail Welon Peptide Solutions Retatrutide lab name login to view View COA 13 Jul 2026Pass LiliPeptide Retatrutide lab name login to view View COA 13 Jul 2026Fail Yabang Peptide Retatrutide lab name login to view View COA 13 Jul 2026Pass Nantong Guangyuan Chemical GYC Retatrutide lab name login to view View COA 13 Jul 2026Pass ZePeptide Retatrutide lab name login to view View COA 13 Jul 2026Fail Xingtai Jiachuang Technology Retatrutide lab name login to view View COA 10 Jul 2026Fail Certified Peptides Retatrutide lab name login to view View COA 10 Jul 2026Incomplete VoriLabs Retatrutide lab name login to view View COA 10 Jul 2026Pass Nova Peptide Retatrutide lab name login to view View COA 10 Jul 2026Pass BeiBangAn Retatrutide lab name login to view View COA 10 Jul 2026Pass Peptide Pole Hongkong Retatrutide lab name login to view View COA 10 Jul 2026Pass Yimei Retatrutide lab name login to view View COA 10 Jul 2026Pass Retalux Retatrutide lab name login to view View COA 10 Jul 2026Fail Laicuinuo LCN Retatrutide lab name login to view View COA 10 Jul 2026Fail ZePeptide Retatrutide lab name login to view View COA 10 Jul 2026Pass Kerui Peptide HongKong Retatrutide lab name login to view View COA 10 Jul 2026Pass ZLZ Peptide Retatrutide lab name login to view View COA 10 Jul 2026Pass Mai Peptide Retatrutide lab name login to view View COA 9 Jul 2026Fail LiliPeptide Retatrutide lab name login to view View COA 9 Jul 2026Pass Reta-Peptide Retatrutide lab name login to view View COA 9 Jul 2026Fail Mokemei Zhengzhou Biotechnology MKM Retatrutide lab name login to view View COA 9 Jul 2026Fail Yiwu Aozuo Trading Co Retatrutide lab name login to view View COA 9 Jul 2026Pass Heman Peptide HM Retatrutide lab name login to view View COA 9 Jul 2026Fail Peptira Retatrutide lab name login to view View COA 9 Jul 2026Fail Simple Peptide Retatrutide lab name login to view View COA 9 Jul 2026Pass Simple Peptide Retatrutide lab name login to view View COA 9 Jul 2026Fail YuanSense Tech Retatrutide lab name login to view View COA 9 Jul 2026Pass Xian Yihang Technology Retatrutide lab name login to view View COA 1 Jul 2026Pass Yabang Peptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Shanghai ERP peptide Biotechnology Retatrutide lab name login to view View COA 1 Jul 2026Pass Lipeptides Retatrutide lab name login to view View COA 1 Jul 2026Pass Longevity Pros Retatrutide lab name login to view View COA 1 Jul 2026Pass Qing Li Peptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Zenith Jove Peptide ZJ Retatrutide lab name login to view View COA 1 Jul 2026Fail Coffee and Peppers Retatrutide lab name login to view View COA 1 Jul 2026Pass Maddox Research Retatrutide lab name login to view View COA 1 Jul 2026Fail Guangzhou Lengiuanhuang Cosmetics Retatrutide lab name login to view View COA 1 Jul 2026Pass Lipeptides Retatrutide lab name login to view View COA 1 Jul 2026Pass GGPeps Retatrutide lab name login to view View COA 1 Jul 2026Fail Oupeptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Longevity Pros Retatrutide lab name login to view View COA 1 Jul 2026Pass Yabang Peptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Nexaph Retatrutide lab name login to view View COA 1 Jul 2026Pass Homopeptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Royal Peptides Retatrutide lab name login to view View COA 1 Jul 2026Pass Mai Peptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Yabang Peptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Retalux Retatrutide lab name login to view View COA 1 Jul 2026Pass ZePeptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Bulk Peptide Supply Retatrutide lab name login to view View COA 1 Jul 2026Pass Lisa Biopeptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Huaian Hanyou Peptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Yabang Peptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Henan Sahe Peptide Retatrutide lab name login to view View COA 1 Jul 2026Pass Shanghai Wibson Biotechnology WBS Retatrutide lab name login to view View COA 1 Jul 2026Pass Crush Research Retatrutide lab name login to view View COA 1 Jul 2026Fail Zhengzhou Lan Yun Cosmetic Trading Retatrutide lab name login to view View COA 26 Jun 2026Pass Tianjin Eleli Technology Development Retatrutide lab name login to view View COA 26 Jun 2026Pass Allen Biotechnology Co ABC Retatrutide lab name login to view View COA 26 Jun 2026Incomplete Shanghai ERP peptide Biotechnology Retatrutide lab name login to view View COA 26 Jun 2026Pass Tianjin Finder Chemical TFC Retatrutide lab name login to view View COA 26 Jun 2026Pass Expert Peptide Retatrutide lab name login to view View COA 26 Jun 2026Incomplete Nanjing Peptide Biotechnology Retatrutide lab name login to view View COA 26 Jun 2026Pass Shanghai ERP peptide Biotechnology Retatrutide lab name login to view View COA 26 Jun 2026Pass Inno Peptides Retatrutide lab name login to view View COA 26 Jun 2026Fail Tianjin Eleli Technology Development Retatrutide lab name login to view View COA 26 Jun 2026Incomplete Inno Peptides Retatrutide lab name login to view View COA 26 Jun 2026Fail Mia Peptide Retatrutide lab name login to view View COA 26 Jun 2026Pass BeiBangAn Retatrutide lab name login to view View COA 26 Jun 2026Fail Henan Sahe Peptide Retatrutide lab name login to view View COA 26 Jun 2026Pass ZLZ Peptide Retatrutide lab name login to view View COA 26 Jun 2026Pass Henan Sahe Peptide Retatrutide lab name login to view View COA 26 Jun 2026Pass Nexaph Retatrutide lab name login to view View COA 26 Jun 2026Pass Nanjing Peptide Biotechnology Retatrutide lab name login to view View COA 26 Jun 2026Pass Dalian Handom Chemicals HDC Retatrutide lab name login to view View COA 26 Jun 2026Pass Hebei Rimao Technology Retatrutide lab name login to view View COA 26 Jun 2026Pass Inno Peptides Retatrutide lab name login to view View COA 26 Jun 2026Fail Nanjing Peptide Biotechnology Retatrutide lab name login to view View COA

Andersen SB, Taghavi I, Hoyos CAV, Sogaard SB, Gran F, Lonn L, et al

Tirzepatide is GLP-1 plus GIP

Excellent question

To learn more, visit General Internal Medicine

You can read more about G proteins in a previous Molecule of the Month article