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Peptide-S

Peptide-S
Retatrutide

Finnrick tested 26 samples of Retatrutide (GLP-1, GIP, and GCGR antagonist) from Peptide-S between 11 Jun 2025 and 9 Sep 2025. Test scores average below 4 or some scores below 3, and at least 6 tests, warrant a confident Finnrick Rating of E (Bad).

Finnrick Rating™
E
BAD
Peptide-S
Retatrutide
Tested 26 Samples
Last test 9 Sep 2025

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Other Retatrutide tests from top-rated vendors:

Paradigm Peptides
A
NextechLabs
A
Nuscience Peptides
A

All Retatrutide tests from Peptide-S

Samples are tested in commercial labs

Tests Count

26

Scores

AVG7.1MIN0.0MAX10.0

Last

9 Sep 2025

First

11 Jun 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
9 Sep 2025View7.950mg56.280mg+12.6%99.92% Jul,15.2025No Label / Silver Crimp / Clear Green Cap Lab DPublic
4 Sep 2025View0.010mg
⚠️ Sample does not contain Retatrutide
(no batch ID)No Label / Silver Crimp / Black Cap Lab EPublic
4 Sep 2025View6.715mg13.700mg-8.7%99.85%(no batch ID)No Label / Silver Crimp / Red Cap Lab EPublic
4 Sep 2025View7.720mg18.800mg-6.0%99.92%(no batch ID)No Label / Gold Crimp / Clear CapLab EPublic
31 Aug 2025View10.010mg9.640mg-3.6%99.95%7/2/25 No Label / Silver Crimp / Yellow CapLab EPublic
21 Aug 2025View9.910mg9.770mg-2.3%99.85%Jul 15, 2025No Label / Silver Crimp / Yellow CapLab EPublic
12 Aug 2025View8.630mg32.390mg+8.0%99.72%06/02/2025No Label / Silver Crimp / Blue CapLab APublic
11 Aug 2025View8.040mg40.600mg+1.5%99.93%(no batch ID)White Label / Silver Crimp / Clear Red CapLab EPublic
4 Aug 2025View9.85mg4.820mg-3.6%99.81%4484No Label / Silver Crimp / Blue CapLab EPublic
4 Aug 2025View7.020mg21.130mg+5.7%99.60%(no batch ID)No Label / Golden Crimp / Clear Cap Lab APublic
4 Aug 2025View5.010mg11.430mg+14.3%99.16%Apr, 2025No Label / Silver Crimp / Yellow Cap Lab DPublic
3 Aug 2025View5.930mg32.490mg+8.3%99.50%(no batch ID)No Label / Silver Crimp / Blue CapLab APublic
25 Jul 2025View9.010mg9.190mg-8.1%99.93%May 2, 2025No Label / Silver Crimp / Yellow CapLab EPublic
25 Jul 2025View9.130mg28.000mg-6.7%99.78%Apr 2, 2025No Label / Silver Crimp / Blue CapLab EPublic
25 Jul 2025View10.020mg20.400mg+2.0%99.95%5/2/25No Label / Gold Crimp / Clear CapLab EPublic
25 Jul 2025View8.010mg10.400mg+4.0%99.94%(no batch ID)No Label / Silver Crimp / Blue Cap Lab EPublic
25 Jul 2025View6.410mg5.400mg-46.0%99.80%May 2, 2025No Label / Silver Crimp / Blue Cap Lab EFinnrick
16 Jul 2025View4.610mg6.030mg-39.7%98.83%May 2, 2025No Label / Silver Crimp / Blue Cap Lab FFinnrick
16 Jul 2025View4.810mg5.950mg-40.5%99.04%May 2, 2025No Label / Silver Crimp / Blue Cap Lab FFinnrick
3 Jul 2025View9.210mg9.900mg-1.0%99.57%May 2, 2025No Label / Silver Crimp / Yellow Cap Lab EPublic
30 Jun 2025View8.110mg10.560mg+5.6%99.13%Apr, 2025No Label / Silver Crimp / Yellow Cap Lab APublic
30 Jun 2025View9.310mg10.100mg+1.0%99.63%May 2, 2025No Label / Silver Crimp / Yellow Cap Lab EPublic
30 Jun 2025View3.410mg7.360mg-26.4%99.24%(no batch ID)No Label / Silver Crimp / Clear Blue CapLab EPublic
13 Jun 2025View6.220mg22.210mg+11.1%99.88%(no batch ID)No Label / Gold Crimp / Clear CapLab FPublic
11 Jun 2025View5.710mg14.800mg+48.0%99.54%May 2, 2025No Label / Silver Crimp / Yellow CapLab EPublic
11 Jun 2025View3.95mg4.080mg-18.4%99.33%(no batch ID)No Label / Silver Crimp / Blue CapLab EPublic