Every Retatrutide certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 4362 published Retatrutide certs in our corpus.

4362
Certificates
9
Independent labs
99.8%
Median tested purity
67%
Within 10% of label dose
↑ 34%
Overdosed (≥ +7% vs label)
↓ 15%
Underdosed (≤ −7% vs label)

Verified Retatrutide certificates of analysis

VendorPurityDose vs labelLabTested
liliPetide Technology Co., Ltd. 99.472% +16.4% Janoshik 2026-06-23 View COA →
Shanghai Erp Peptide Biotechnology 99.9% -3.9% LabE 2026-06-22 View COA →
Oupeptide 99.9% -0.6% LabE 2026-06-22 View COA →
Lumira 0.0% -100.0% LabE 2026-06-22 View COA →
Lumira 99.9% -13.5% LabE 2026-06-22 View COA →
Tsc Top Supplements China 99.9% -9.0% LabE 2026-06-22 View COA →
Amino Lair 99.9% -6.7% LabE 2026-06-22 View COA →
Top Peptide 99.9% -10.0% LabE 2026-06-22 View COA →
Hangzhou Mandy Biotechnology 99.9% -8.7% LabE 2026-06-22 View COA →
Ez Peptides 99.4% +1.7% LabE 2026-06-22 View COA →
Henan Sahe Peptide 0.0% -100.0% LabE 2026-06-22 View COA →
Zepeptide 99.8% -8.5% LabG 2026-06-17 View COA →
Tianjin Ruiwang New Material Technology Co 99.7% -11.3% LabG 2026-06-17 View COA →
Shanghai Erp Peptide Biotechnology 99.9% +16.0% LabG 2026-06-17 View COA →
Shandong Aishi Biotechnology 98.2% -4.0% LabG 2026-06-17 View COA →
Qing Li Peptide 99.9% +3.3% LabG 2026-06-17 View COA →
Qing Li Peptide 99.7% +10.0% LabG 2026-06-17 View COA →
Peptide Sciences 99.8% +10.8% LabG 2026-06-17 View COA →
Lilipeptide 99.9% +3.5% LabG 2026-06-17 View COA →
HM PEPTIDE 99.7% -3.0% LabG 2026-06-17 View COA →
Elite Research Usa 99.8% -22.0% LabG 2026-06-17 View COA →
Dankang Biohealth 0.0% -100.0% LabG 2026-06-17 View COA →
Changsha Duole Technology 0.0% -100.0% LabG 2026-06-17 View COA →
Shanghai Wibson Biotechnology Wbs 99.9% +2.0% LabG 2026-06-17 View COA →
Peptislim 99.8% -2.0% LabG 2026-06-17 View COA →
Henan Sahe Peptide 99.7% -2.0% LabG 2026-06-17 View COA →
aura 99.862% +13.3% Janoshik 2026-06-17 View COA →
Xi'an Taiye Chemical Co. 99.524% +10.9% Janoshik 2026-06-17 View COA →
Yimei 99.9% -7.5% LabE 2026-06-16 View COA →
Shanghai Erp Peptide Biotechnology 99.8% +6.5% LabG 2026-06-16 View COA →
Shanghai Erp Peptide Biotechnology 99.8% +9.5% LabG 2026-06-16 View COA →
Shanghai Baoju 99.9% -11.7% LabE 2026-06-16 View COA →
Peptide Pole HongKong 99.9% -1.5% LabE 2026-06-16 View COA →
Peptide Pole HongKong 99.8% +0.7% LabG 2026-06-16 View COA →
Lumira 99.9% -15.3% LabE 2026-06-16 View COA →
Lumira 65.7% -54.0% LabE 2026-06-16 View COA →
Lilipeptide 99.9% -8.4% LabE 2026-06-16 View COA →
Lilipeptide 99.9% -9.7% LabE 2026-06-16 View COA →
Hk Peptides 99.8% +2.5% LabG 2026-06-16 View COA →
HM PEPTIDE 99.9% -11.0% LabE 2026-06-16 View COA →
HM PEPTIDE 99.9% +2.0% LabE 2026-06-16 View COA →
Zhuoyue Biotechnology 99.6% -1.0% LabG 2026-06-16 View COA →
Tsc Top Supplements China 99.8% -4.7% LabG 2026-06-16 View COA →
Cocer Peptides 0.0% -100.0% LabG 2026-06-16 View COA →
Xingtai Jiachuang Technology 99.9% -6.4% LabE 2026-06-16 View COA →
Top Peptide 99.9% -15.5% LabE 2026-06-16 View COA →
Huayi Biotechnology 99.9% -7.0% LabE 2026-06-16 View COA →
Ehz Peptides 99.7% +3.0% LabG 2026-06-16 View COA →
Xi'an Taiye Chemical Co. 92.8% -9.0% LabE 2026-06-16 View COA →
Haikou Mingheng Technology 0.0% -100.0% LabG 2026-06-16 View COA →
Champion Peptide 99.9% -12.6% LabE 2026-06-16 View COA →
Yabang Peptide 93.8% -11.5% LabE 2026-06-16 View COA →
Saiyan Med 99.8% +1.3% LabG 2026-06-16 View COA →
Peptide Partners 99.9% -10.0% LabE 2026-06-16 View COA →
Huaian Hanyou Peptide 94.3% -9.3% LabE 2026-06-16 View COA →
Huaian Hanyou Peptide 99.9% -3.0% LabE 2026-06-16 View COA →
Huaian Hanyou Peptide 99.9% -7.5% LabE 2026-06-16 View COA →
Homopeptide 99.7% +9.0% LabG 2026-06-16 View COA →
Guangzhou Jeep Biotechnology Jeep 99.9% -9.0% LabE 2026-06-16 View COA →
Qihang Peptide 99.876% +1.5% Janoshik 2026-06-16 View COA →

Showing the 60 most recent of 4362 Retatrutide certificates.

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