Finnrick - Ensuring a Safer and More Transparent Supply Chain

Retatrutide(GLP-1, GIP, and GCGR agonist)

We've tested 2006 samples of Retatrutide sourced from 137 vendors between 17 Dec 2024 and 5 Mar 2026. Purity varies from 62.38% to 100.00%, and quantity can diverge by up to +/-260% vs advertised value.

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Vendors

Tests
Vendor
Rating
CountAvgMinMaxOldestMost Recent
Bulk Peptide WholesaleBulk Peptide Wholesale
A
Great
210.010.010.011 Feb 202611 Feb 2026
NUPEPS PeptidesNUPEPS Peptides
A
Great
29.59.39.816 Dec 202516 Dec 2025
Peptide HavenPeptide Haven
A
Great
28.58.48.62 Dec 20252 Dec 2025
Pure RawzPure Rawz
A
Great
48.68.19.16 May 202521 May 2025
NuLife PeptidesNuLife Peptides
A
Great
28.47.89.05 Mar 20265 Mar 2026
Paradigm PeptideParadigm Peptide
A
Great
69.67.610.024 Jul 20254 Sep 2025
Zhang TYZhang TY
A
Great
38.17.39.330 Jun 20257 Jan 2026
Lux Synth AminosLux Synth Aminos
A
Great
28.27.29.122 Feb 202622 Feb 2026
Peptide PartnersPeptide Partners
A
Great
158.97.010.017 Jul 20252 Mar 2026
Zenith Jove Peptide ZJZenith Jove Peptide ZJ
A
Great
97.86.89.416 Dec 20252 Mar 2026
Atomik LabzAtomik Labz
A
Great
47.96.89.06 May 20256 May 2025
PurePeptidesPurePeptides
A
Great
57.76.89.427 Feb 202519 Jan 2026
Peptide CraftersPeptide Crafters
A
Great
67.66.69.517 Dec 202416 Dec 2025
LipeptidesLipeptides
A
Great
77.96.610.06 Dec 202516 Feb 2026
Huaian Hanyou PeptideHuaian Hanyou Peptide
A
Great
78.16.510.014 Nov 20252 Mar 2026
NextechLabsNextechLabs
A
Great
77.76.59.414 Jan 20259 Oct 2025
Shandong Shengyuan Peptide TechnologyShandong Shengyuan Peptide Technology
A
Great
97.76.59.517 Nov 202520 Feb 2026
Orbitrex PeptidesOrbitrex Peptides
A
Great
88.66.510.07 Oct 20252 Mar 2026
OmegAminoOmegAmino
A
Great
47.76.310.020 Jun 202512 Aug 2025
Aavant ResearchAavant Research
A
Great
68.16.29.511 Aug 202511 Feb 2026
Nantong Guangyuan Chemical GYCNantong Guangyuan Chemical GYC
A
Great
168.26.29.85 Oct 202516 Feb 2026
Hunan Ruiwang Technology CenterHunan Ruiwang Technology Center
A
Great
97.46.18.04 Sep 202510 Feb 2026
Nuscience PeptidesNuscience Peptides
A
Great
87.26.110.022 Apr 202513 Feb 2026
Lisa BiopeptideLisa Biopeptide
A
Great
97.96.09.413 Dec 202511 Feb 2026
Risynth BioRisynth Bio
A
Great
48.66.010.01 Sep 20254 Sep 2025
Loti LabsLoti Labs
A
Great
57.36.08.016 Mar 20256 May 2025
YB PeptideYB Peptide
A
Great
67.76.08.521 Aug 202510 Feb 2026
Pharma Grade PeptidesPharma Grade Peptides
B
Good
26.36.36.37 May 20257 May 2025
Skye PeptidesSkye Peptides
B
Good
107.96.09.517 Dec 202414 Aug 2025
Verified PeptidesVerified Peptides
B
Good
47.05.99.713 Feb 202519 Feb 2025
Limitless Life NootropicsLimitless Life Nootropics
B
Good
47.35.810.013 Feb 202519 Feb 2025
BfflinkBfflink
B
Good
117.85.810.016 Dec 202526 Feb 2026
Haikou Mingheng TechnologyHaikou Mingheng Technology
B
Good
66.75.88.03 Oct 202515 Feb 2026
HkRoidsHkRoids
B
Good
68.05.89.94 Aug 202522 Feb 2026
Shanghai Leader Peptide BiotechnologyShanghai Leader Peptide Biotechnology
B
Good
87.55.810.029 Dec 202526 Feb 2026
Eternal PeptidesEternal Peptides
B
Good
46.45.86.97 May 202521 May 2025
Yongkang Nuoao Trading CoYongkang Nuoao Trading Co
B
Good
77.45.89.025 Jul 202520 Feb 2026
Oasis PeptidesOasis Peptides
B
Good
76.85.77.914 Jan 202524 Jul 2025
Bfflist AMOBfflist AMO
B
Good
458.45.710.030 Jun 202518 Feb 2026
Peptronix Bio PTBPeptronix Bio PTB
B
Good
87.25.78.05 Aug 202522 Feb 2026
Champion PeptideChampion Peptide
B
Good
66.75.68.111 Dec 20257 Jan 2026
Shenzhen Loga Tech LG LOGAShenzhen Loga Tech LG LOGA
B
Good
97.85.510.021 Aug 202516 Feb 2026
Allen Biotechnology Co ABCAllen Biotechnology Co ABC
B
Good
127.25.39.04 Aug 202526 Feb 2026
Henan Sahe PeptideHenan Sahe Peptide
B
Good
117.25.310.030 Sep 202526 Feb 2026
Shanghai JinBei Chemical TechnologyShanghai JinBei Chemical Technology
B
Good
87.95.210.013 Dec 20254 Feb 2026
LN PeptidesLN Peptides
B
Good
76.75.08.017 Nov 202520 Feb 2026
Platinum CryoPlatinum Cryo
C
Okay
66.65.08.022 Apr 20257 May 2025
Zztai PeptideZztai Peptide
C
Okay
117.25.09.69 Jun 202522 Feb 2026
Dankang BioHealthDankang BioHealth
C
Okay
107.64.910.01 Jan 202622 Feb 2026
Yiwu Aozuo Trading CoYiwu Aozuo Trading Co
C
Okay
258.14.910.04 Aug 202526 Feb 2026
Golden EagleGolden Eagle
C
Okay
86.24.99.73 Aug 202515 Jan 2026
Shanghai ERP peptide BiotechnologyShanghai ERP peptide Biotechnology
C
Okay
106.64.88.011 Dec 202520 Feb 2026
Amino AsylumAmino Asylum
C
Okay
25.64.86.514 Feb 202519 Feb 2025
Elite Research USAElite Research USA
C
Okay
75.64.86.930 Apr 20257 Jan 2026
M-PeptidesM-Peptides
C
Okay
76.64.89.521 Oct 202518 Feb 2026
Simple PeptideSimple Peptide
C
Okay
46.04.77.725 Apr 20256 May 2025
Chimera PeptidesChimera Peptides
C
Okay
76.74.78.013 Oct 202522 Feb 2026
UtherUther
C
Okay
107.44.710.03 Jul 202518 Feb 2026
Kits4lessKits4less
C
Okay
67.04.77.816 Jul 20251 Jan 2026
Qingdao Saber Technology Pharma QSTQingdao Saber Technology Pharma QST
C
Okay
76.54.710.03 Jun 202529 Dec 2025
EHZ PeptidesEHZ Peptides
C
Okay
247.14.610.020 Jun 202515 Feb 2026
Royal PeptidesRoyal Peptides
C
Okay
127.04.68.816 Mar 202522 Feb 2026
Huayi BiotechnologyHuayi Biotechnology
C
Okay
117.04.59.31 Sep 202522 Feb 2026
Xingtai Jiachuang TechnologyXingtai Jiachuang Technology
C
Okay
87.64.59.54 Jul 202526 Jan 2026
Planet PeptidePlanet Peptide
C
Okay
146.54.58.517 Dec 202415 Feb 2026
Hangzhou Mandy BiotechnologyHangzhou Mandy Biotechnology
C
Okay
67.24.49.817 Nov 202522 Jan 2026
Rayshine Peptide BiochemicalsRayshine Peptide Biochemicals
C
Okay
67.74.410.012 Aug 202519 Jan 2026
BeiBangAnBeiBangAn
C
Okay
216.84.49.829 Oct 202526 Feb 2026
Tianjin Finder Chemical TFCTianjin Finder Chemical TFC
C
Okay
297.34.410.011 Jun 20252 Mar 2026
Biolongevity LabsBiolongevity Labs
C
Okay
116.54.48.031 Mar 202523 Jul 2025
PeptiSlimPeptiSlim
C
Okay
207.84.410.01 Sep 202526 Feb 2026
Paramount PeptidesParamount Peptides
C
Okay
127.54.39.314 Jan 20256 Dec 2025
ZhuoYan labZhuoYan lab
C
Okay
116.34.38.04 Aug 202511 Feb 2026
Suaway Lab ResearchSuaway Lab Research
C
Okay
55.54.36.331 Mar 202516 May 2025
Liberty PeptidesLiberty Peptides
C
Okay
67.14.310.031 Mar 20257 Jan 2026
Qingdao Sigma Chemical QSCQingdao Sigma Chemical QSC
C
Okay
116.14.39.017 Oct 20252 Mar 2026
Top PeptideTop Peptide
C
Okay
66.54.210.013 Oct 202522 Jan 2026
Zen PeptidesZen Peptides
C
Okay
76.54.27.823 Oct 202510 Feb 2026
InjectifyInjectify
C
Okay
47.34.18.716 May 202523 Jul 2025
Accelerate LabsAccelerate Labs
C
Okay
35.84.16.916 May 202523 Jul 2025
Hebei Rimao TechnologyHebei Rimao Technology
C
Okay
136.84.19.811 Aug 202511 Feb 2026
Wuhan Wansheng BiotechnologyWuhan Wansheng Biotechnology
C
Okay
537.54.110.04 Aug 202526 Feb 2026
Xingtai Pukelai Technology CoXingtai Pukelai Technology Co
C
Okay
66.94.19.911 Aug 202529 Dec 2025
Amino AmigosAmino Amigos
C
Okay
26.74.09.414 Jan 202523 Jan 2025
Nanjing Xiyuxun Technology XYXNanjing Xiyuxun Technology XYX
D
Poor
24.94.15.720 May 202523 Oct 2025
Amino LairAmino Lair
D
Poor
66.24.08.021 Aug 202510 Dec 2025
Alpha-GenAlpha-Gen
D
Poor
56.24.07.824 Apr 202521 May 2025
Polaris PeptidesPolaris Peptides
D
Poor
267.33.99.017 Dec 20247 Jan 2026
Coastal PeptidesCoastal Peptides
D
Poor
55.93.87.927 Feb 202520 Mar 2025
TydesTydes
D
Poor
95.23.87.217 Dec 202430 Apr 2025
Haikou Mingheng BiotechnologyHaikou Mingheng Biotechnology
D
Poor
56.23.88.018 Sep 202526 Feb 2026
Quenna PMQQuenna PMQ
D
Poor
76.93.69.75 Oct 20251 Jan 2026
Xingruida XDRXingruida XDR
D
Poor
228.13.610.020 Jun 202526 Feb 2026
Xian Yihang TechnologyXian Yihang Technology
D
Poor
145.73.58.027 Jun 20252 Mar 2026
Kerisite Shenzhen InternationalKerisite Shenzhen International
D
Poor
137.33.410.025 Jun 202517 Dec 2025
Mix PeptidesMix Peptides
D
Poor
96.73.39.123 Oct 20252 Mar 2026
Zhejiang Yichenkang BiotechnologyZhejiang Yichenkang Biotechnology
D
Poor
117.13.310.011 Jun 202511 Dec 2025
Welon Peptide SolutionsWelon Peptide Solutions
D
Poor
56.43.37.823 Nov 202522 Feb 2026
Heman Peptide HMHeman Peptide HM
E
Bad
156.82.99.823 Oct 202518 Feb 2026
Qing Li PeptideQing Li Peptide
E
Bad
957.42.810.09 Jun 202522 Feb 2026
UWA Elite PeptidesUWA Elite Peptides
E
Bad
116.32.78.816 Jul 202520 Feb 2026
Amplified AminoAmplified Amino
E
Bad
44.22.27.013 Feb 202519 Feb 2025
Mai PeptideMai Peptide
E
Bad
258.02.210.04 Nov 202522 Feb 2026
TSC Top Supplements ChinaTSC Top Supplements China
E
Bad
437.22.010.03 Jun 202526 Feb 2026
Peptide SciencesPeptide Sciences
E
Bad
376.12.010.017 Dec 20242 Mar 2026
Shanghai BaojuShanghai Baoju
E
Bad
106.72.09.53 Oct 202522 Feb 2026
LSPLLSPL
E
Bad
206.41.610.06 Nov 202520 Feb 2026
Forever Young PharmacyForever Young Pharmacy
E
Bad
82.91.57.117 Dec 202431 Mar 2025
SRY LabsSRY Labs
E
Bad
287.51.510.020 Apr 20252 Mar 2026
Shandong Aishi BiotechnologyShandong Aishi Biotechnology
E
Bad
156.80.810.024 Oct 202522 Feb 2026
Bulk Peptide SupplyBulk Peptide Supply
E
Bad
56.40.09.511 Aug 202518 Sep 2025
Hangzhou Youngpeptide Biotechnology HYBHangzhou Youngpeptide Biotechnology HYB
E
Bad
75.50.08.05 Aug 202510 Feb 2026
LiliPeptideLiliPeptide
E
Bad
967.90.010.04 Aug 202522 Feb 2026
OupeptideOupeptide
E
Bad
527.10.010.09 Jun 202526 Feb 2026
Peptide GurusPeptide Gurus
E
Bad
70.80.05.416 Mar 20253 Jul 2025
Shanghai OuDaXin New Material Technology CenterShanghai OuDaXin New Material Technology Center
E
Bad
124.90.010.011 Aug 202510 Feb 2026
Tianjin Ruiwang New Material Technology CoTianjin Ruiwang New Material Technology Co
E
Bad
467.70.010.04 Sep 202518 Feb 2026
ZLZ PeptideZLZ Peptide
E
Bad
777.10.010.020 Jun 202526 Feb 2026
ZZQ PeptidesZZQ Peptides
E
Bad
116.90.09.524 Jul 202518 Feb 2026
HXNetHXNet
E
Bad
326.40.09.711 Aug 20253 Mar 2026
Modern AminosModern Aminos
E
Bad
45.80.07.920 Jun 20255 Oct 2025
NexaphNexaph
E
Bad
787.20.010.011 Jun 202520 Feb 2026
Reta-PeptideReta-Peptide
E
Bad
487.50.010.020 Jun 20252 Mar 2026
Shanghai Sigma Audley SSAShanghai Sigma Audley SSA
E
Bad
747.30.010.09 Jun 202526 Jan 2026
Shanxi Qianyecao Biotech QYCShanxi Qianyecao Biotech QYC
E
Bad
377.00.010.024 Jul 202522 Feb 2026
Alimo PeptideAlimo Peptide
E
Bad
32.90.04.411 Jun 202513 Oct 2025
HK PeptidesHK Peptides
E
Bad
1037.20.010.011 Jun 202526 Feb 2026
Changan District Sheng Peptide TradingChangan District Sheng Peptide Trading
E
Bad
76.20.09.710 Sep 202522 Feb 2026
Peptide-SPeptide-S
E
Bad
407.00.010.011 Jun 202522 Feb 2026
Xingtai Lesda TechnologyXingtai Lesda Technology
E
Bad
66.60.010.01 Sep 202523 Oct 2025
YimeiYimei
E
Bad
336.50.09.820 Jun 20252 Mar 2026
Regenerative ResearchRegenerative Research
X
Unrated
19.79.79.720 Jun 202520 Jun 2025
Pura PeptidesPura Peptides
X
Unrated
18.38.38.324 Jul 202524 Jul 2025
TCITCI
X
Unrated
17.67.67.610 Jun 202510 Jun 2025
Peptide WorldwidePeptide Worldwide
X
Unrated
17.17.17.16 May 20256 May 2025
Shaanxi Dideu MedichemShaanxi Dideu Medichem
X
Unrated
16.46.46.43 Jun 20253 Jun 2025
Wolverine PeptidesWolverine Peptides
X
Unrated
15.05.05.03 Jul 20253 Jul 2025
WllyBIOWllyBIO
X
Unrated
13.63.63.63 Jul 20253 Jul 2025

Most recent Retatrutide tests

Samples are tested in commercial labs

Quantity
Test DateVendorCertificate
Test Score
Label
Batch
TestedDifferencePurityBatch IDContainerTested AtSent By
3 Mar 2026HXNetView6.520mg(no batch claim)22mg+10.0%99.90%(no batch ID)No Label / Silver Crimp / Yellow CapLab EPublic
2 Mar 2026Orbitrex PeptidesView7.610mg(no batch claim)11.5mg+15.0%99.90%3G101125Black Label / Silver Crimp / Clear Blue CapLab EPublic
2 Mar 2026Tianjin Finder Chemical TFCView5.530mg(no batch claim)34.9mg+16.3%99.90%(no batch ID)No Label / Silver Crimp / Violet CapLab EPublic
2 Mar 2026YimeiView9.815mg(no batch claim)14.2mg-5.3%99.86%900-15No Label / Silver Crimp / Red CapLab EPublic
2 Mar 2026Reta-PeptideView6.830mg(no batch claim)32.7mg+9.0%99.01% Jan 12, 2025No Label / Silver Crimp / Blue CapLab EPublic
2 Mar 2026Mix PeptidesView9.150mg
57.4mg
53.8mg-6.3%99.90%2025B510-10No Label / Green Crimp / Clear CapLab EPublic
2 Mar 2026Xian Yihang TechnologyView5.330mg(no batch claim)24.7mg-17.7%99.90%(no batch ID)Silver Label / Silver Crimp / Violet CapLab EPublic

Corrections

9 Mar 2026: Orbitrex Peptides
Sample p4bqre8: original COA reported purity of 97.83%. Upon vendor objection, lab investigated and found the automated integration routine picked up noise as peaks and erroneously integrated it. Manual revision led to updated calculations for purity and quantity. The lab issued an updated COA. This sample's test score changed from 3.7 to 7.0, and the Finnrick Rating for Orbitrex Retatrutide changed from D to A.
4 Mar 2026: Qing Li Peptide
Sample potency on sample fz959qa was incorrectly captured as 0.10 mg, correct quantity was 10 mg.
17 Nov 2025: Peptide Sciences
Test results for sample 3tbve3d were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.
14 Nov 2025: Peptide Sciences
Test results for sample 87u9z6r were published from 8 to 14 Nov 2025, but did not belong to Peptide Sciences: the sample was identified as a counterfeit. They were removed from publishing.
10 Nov 2025: PeptiSlim
The sample was misslabaled by the requester, actual quantity for this sample is 60mg, Quantity has been edited with correct value (previus value was 10 mg)
10 Nov 2025: PeptiSlim
The sample was misslabaled by the requester, actual quantity for this sample is 10mg, Quantity has been edited with correct value (previus value was 60 mg)
5 Nov 2025: Wuhan Wansheng Biotechnology
These were remade and reanalyzed by Lab G. They traced the discrepancy to a likely human error during preparation.
5 Nov 2025: Bfflist AMO
These were remade and reanalyzed by Lab G. They traced the discrepancy to a likely human error during preparation.
5 Nov 2025: LiliPeptide
Lab G mistakenly entered 92 mg instead of 9.2 mg.
29 Aug 2025: Peptide Sciences
Batch identifier for Peptide Sciences Retatrutide 6mg vial tested 30 June was missing. Test score changed from 6.3 to 8.3.
15 Apr 2025: Polaris Peptides
Lab B test 19 Feb 2025: updated quantity following the identification of a clerical error, value was erroneously listed as 6.25mg. Lab issued an updated test certificate on 7 Apr 2025.
15 Apr 2025: Limitless Life Nootropics
Lab B test 19 Feb 2025: updated quantity following the identification of a clerical error, value was erroneously listed as 9.27mg. Lab issued an updated test certificate on 7 Apr 2025.
6 Apr 2025: Forever Young Pharmacy
Lab A test 14 Feb 2025: updated compound identification, removed purity and quantity values. Error in analysis by lab, compound was incorrectly identified as Retatrutide. Lab issued an updated test certificate.
6 Apr 2025: Peptide Sciences
Lab A test 14 Feb 2025: updated compound identification, removed purity and quantity values. Error in analysis by Lab, compound was incorrectly identified as Retatrutide. Lab issued an updated test certificate.