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Peptide-S

Peptide-S

Retatrutide

Finnrick tested 29 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Peptide-S between 11 Jun 2025 and 13 Oct 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 29 Samples
Last test 13 Oct 2025

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All Retatrutide tests from Peptide-S

Samples are tested in commercial labs

Tests Count

29

Scores

AVG7.0MIN0.0MAX10.0

Last

13 Oct 2025

First

11 Jun 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
13 Oct 2025View5.05mg5.400mg+8.0%99.00%(no batch ID)No Label / Silver Crimp / Blue Cap Lab GPublic
30 Sep 2025View9.520mg18.700mg-6.5%99.95%Rt20No Label / Gold Crimp / Clear Cap Lab EPublic
18 Sep 2025View4.620mg30.700mg+53.5%99.94%(no batch ID)White Label / Gold Crimp / Clear Cap Lab EPublic
9 Sep 2025View7.950mg56.280mg+12.6%99.92% Jul,15.2025No Label / Silver Crimp / Clear Green Cap Lab DPublic
4 Sep 2025View7.720mg18.800mg-6.0%99.92%(no batch ID)No Label / Gold Crimp / Clear CapLab EPublic
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
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
6 Aug 2025ViewEndotoxins10mg
Endotoxins not detected
May 2, 2025No Label / Silver Crimp / Blue Cap Lab EFinnrick
4 Aug 2025View5.010mg11.430mg+14.3%99.16%Apr, 2025No Label / Silver Crimp / Yellow Cap Lab DPublic
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
3 Aug 2025View5.930mg32.490mg+8.3%99.50%(no batch ID)No Label / Silver Crimp / Blue CapLab APublic
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 2025View9.130mg28.000mg-6.7%99.78%Apr 2, 2025No Label / Silver Crimp / Blue CapLab EPublic
25 Jul 2025View9.010mg9.190mg-8.1%99.93%May 2, 2025No Label / Silver Crimp / Yellow CapLab 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