Finnrick - Ensuring a Safer and More Transparent Supply Chain

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

We've tested 617 samples of Retatrutide sourced from 81 vendors between 17 Dec 2024 and 25 Sep 2025. Purity varies from 89.66% to 100.00%, and quantity can diverge by up to +/-109% vs advertised value.

Finnrick Top 3™ - 26 Sep 2025
Retatrutide
1
Paradigm Peptides
A
GREAT
2
LiliPeptide
A
GREAT
3
NextechLabs
A
GREAT

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Vendors

Tests
Vendor
Rating
CountAvgMinMaxOldestMost Recent
Paradigm PeptidesParadigm Peptides
A
Great
69.67.610.024 Jul 20254 Sep 2025
LiliPeptideLiliPeptide
A
Great
68.27.09.04 Aug 202518 Sep 2025
NextechLabsNextechLabs
A
Great
67.46.59.014 Jan 202520 Mar 2025
Nuscience PeptidesNuscience Peptides
A
Great
77.26.110.022 Apr 202523 Jul 2025
Pure RawzPure Rawz
A
Great
48.68.19.16 May 202521 May 2025
Yongkang Nuoao Trading CoYongkang Nuoao Trading Co
A
Great
28.58.09.025 Jul 202521 Aug 2025
Zhang TYZhang TY
A
Great
27.57.37.730 Jun 202511 Aug 2025
Peptide PartnersPeptide Partners
A
Great
27.67.28.017 Jul 202521 Aug 2025
Kits4lessKits4less
A
Great
27.47.07.816 Jul 202521 Aug 2025
Atomik LabzAtomik Labz
A
Great
47.96.89.06 May 20256 May 2025
PurePeptidesPurePeptides
A
Great
47.76.89.427 Feb 202520 Mar 2025
Peptide CraftersPeptide Crafters
A
Great
57.26.68.617 Dec 202420 Mar 2025
Shanxi Qianyecao Biotech QYCShanxi Qianyecao Biotech QYC
A
Great
28.36.610.024 Jul 20256 Aug 2025
OmegAminoOmegAmino
A
Great
47.76.310.020 Jun 202512 Aug 2025
Loti LabsLoti Labs
A
Great
57.36.08.016 Mar 20256 May 2025
Skye PeptidesSkye Peptides
B
Good
107.96.09.517 Dec 202414 Aug 2025
Royal PeptidesRoyal Peptides
B
Good
66.75.87.516 Mar 202526 Mar 2025
Oasis PeptidesOasis Peptides
B
Good
76.85.77.914 Jan 202524 Jul 2025
Reta-PeptideReta-Peptide
B
Good
107.05.48.020 Jun 20258 Sep 2025
Pharma Grade PeptidesPharma Grade Peptides
B
Good
26.36.36.37 May 20257 May 2025
ZZQ PeptidesZZQ Peptides
B
Good
26.96.27.624 Jul 202519 Sep 2025
Verified PeptidesVerified Peptides
B
Good
47.05.99.713 Feb 202519 Feb 2025
EHZ PeptidesEHZ Peptides
B
Good
57.15.88.020 Jun 202518 Sep 2025
Eternal PeptidesEternal Peptides
B
Good
46.45.86.97 May 202521 May 2025
Bfflist AMOBfflist AMO
B
Good
47.35.79.030 Jun 20259 Sep 2025
Limitless Life NootropicsLimitless Life Nootropics
B
Good
47.35.710.013 Feb 202519 Feb 2025
Allen Biotechnology Co ABCAllen Biotechnology Co ABC
B
Good
37.15.57.84 Aug 202510 Sep 2025
Platinum CryoPlatinum Cryo
C
Okay
66.65.08.022 Apr 20257 May 2025
Zztai PeptideZztai Peptide
C
Okay
76.75.08.09 Jun 202518 Sep 2025
TSC Top Supplements ChinaTSC Top Supplements China
C
Okay
107.64.98.03 Jun 202518 Sep 2025
ZLZ PeptideZLZ Peptide
C
Okay
167.14.98.020 Jun 202510 Sep 2025
Elite Research USAElite Research USA
C
Okay
65.54.86.930 Apr 20254 Aug 2025
SRY LabsSRY Labs
C
Okay
107.64.710.020 Apr 20254 Sep 2025
Wuhan Wansheng BiotechnologyWuhan Wansheng Biotechnology
C
Okay
97.04.610.04 Aug 202518 Sep 2025
Planet PeptidePlanet Peptide
C
Okay
126.64.58.517 Dec 202421 May 2025
Biolongevity LabsBiolongevity Labs
C
Okay
116.54.48.031 Mar 202523 Jul 2025
Tianjin Finder Chemical TFCTianjin Finder Chemical TFC
C
Okay
107.54.49.911 Jun 202510 Sep 2025
Paramount PeptidesParamount Peptides
C
Okay
97.44.39.314 Jan 20256 May 2025
Qing Li PeptideQing Li Peptide
C
Okay
407.54.210.09 Jun 202518 Sep 2025
Yiwu Aozuo Trading CoYiwu Aozuo Trading Co
C
Okay
47.04.99.14 Aug 202518 Sep 2025
Amino AsylumAmino Asylum
C
Okay
25.64.86.514 Feb 202519 Feb 2025
Kerisite Shenzhen InternationalKerisite Shenzhen International
C
Okay
45.34.86.025 Jun 202518 Sep 2025
Qingdao Saber Technology Pharma QSTQingdao Saber Technology Pharma QST
C
Okay
55.64.77.33 Jun 20251 Sep 2025
Simple PeptideSimple Peptide
C
Okay
46.04.77.725 Apr 20256 May 2025
UtherUther
C
Okay
47.14.79.33 Jul 20254 Sep 2025
Xian Yihang TechnologyXian Yihang Technology
C
Okay
46.14.77.227 Jun 202510 Sep 2025
ZhuoYan labZhuoYan lab
C
Okay
35.44.66.74 Aug 202518 Sep 2025
Huayi BiotechnologyHuayi Biotechnology
C
Okay
36.44.57.81 Sep 20259 Sep 2025
Suaway Lab ResearchSuaway Lab Research
C
Okay
55.54.36.331 Mar 202516 May 2025
Liberty PeptidesLiberty Peptides
C
Okay
35.24.26.131 Mar 20257 May 2025
Accelerate LabsAccelerate Labs
C
Okay
35.84.16.916 May 202523 Jul 2025
Hebei Rimao TechnologyHebei Rimao Technology
C
Okay
46.84.18.011 Aug 202519 Sep 2025
InjectifyInjectify
C
Okay
47.34.18.716 May 202523 Jul 2025
Amino AmigosAmino Amigos
C
Okay
26.74.09.414 Jan 202523 Jan 2025
OupeptideOupeptide
D
Poor
157.24.010.09 Jun 202518 Sep 2025
HK PeptidesHK Peptides
D
Poor
307.13.910.011 Jun 202518 Sep 2025
Polaris PeptidesPolaris Peptides
D
Poor
247.33.99.017 Dec 202412 Aug 2025
TydesTydes
D
Poor
95.23.87.217 Dec 202430 Apr 2025
Xingruida XDRXingruida XDR
D
Poor
98.03.610.020 Jun 202518 Sep 2025
Zhejiang Yichenkang BiotechnologyZhejiang Yichenkang Biotechnology
D
Poor
76.73.38.011 Jun 20255 Aug 2025
Alpha-GenAlpha-Gen
D
Poor
56.24.07.824 Apr 202521 May 2025
Coastal PeptidesCoastal Peptides
D
Poor
55.93.87.927 Feb 202520 Mar 2025
UWA Elite PeptidesUWA Elite Peptides
E
Bad
65.02.78.016 Jul 202518 Sep 2025
Peptide SciencesPeptide Sciences
E
Bad
345.82.010.017 Dec 20244 Aug 2025
Forever Young PharmacyForever Young Pharmacy
E
Bad
82.91.57.117 Dec 202431 Mar 2025
NexaphNexaph
E
Bad
426.60.010.011 Jun 202518 Sep 2025
Peptide GurusPeptide Gurus
E
Bad
70.80.05.416 Mar 20253 Jul 2025
Peptide-SPeptide-S
E
Bad
277.00.010.011 Jun 202518 Sep 2025
Shanghai Sigma Audley SSAShanghai Sigma Audley SSA
E
Bad
447.00.010.09 Jun 202518 Sep 2025
Tianjin Ruiwang New Material Technology CoTianjin Ruiwang New Material Technology Co
E
Bad
66.40.010.04 Sep 202510 Sep 2025
Amplified AminoAmplified Amino
E
Bad
44.22.27.013 Feb 202519 Feb 2025
Alimo PeptideAlimo Peptide
E
Bad
22.10.04.111 Jun 20254 Aug 2025
Modern AminosModern Aminos
E
Bad
35.20.07.920 Jun 20254 Sep 2025
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
Nanjing Xiyuxun Technology XYXNanjing Xiyuxun Technology XYX
X
Unrated
15.75.75.720 May 202520 May 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
19 Sep 2025Hebei Rimao TechnologyView7.015mg(no batch claim)16.200mg+8.0%99.95%(no batch ID)No Label / Copper Crimp / Clear Cap Lab EPublic
19 Sep 2025ZZQ PeptidesView6.215mg(no batch claim)27.700mg+84.7%99.95%06.02.2025No Label / Silver Crimp / Blue CapLab EPublic
18 Sep 2025NexaphView8.06mg(no batch claim)5.850mg-2.5%99.95%(no batch ID)No Label / Ccpper Crimp / Clear Blue Cap Lab EPublic
18 Sep 2025NexaphView6.312mg
15.5mg
12.800mg-17.3%99.94%RET1206222025-14White Label / Copper Crimp / White CapLab EPublic
18 Sep 2025HK PeptidesView7.020mg(no batch claim)18.400mg-8.0%99.95%(no batch ID)No Label / Copper Crimp / Clear Cap Lab EPublic
18 Sep 2025OupeptideView7.520mg(no batch claim)21.300mg+6.5%99.95%(no batch ID)No Label / Silver Crimp / Red Cap Lab EPublic
18 Sep 2025Xingruida XDRView9.010mg(no batch claim)10.800mg+8.0%99.95%July 15, 2025No Label / Silver Crimp / Yellow Cap Lab EPublic

Corrections

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.