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PeptiSlim

PeptiSlim

Tirzepatide

Finnrick tested 27 samples of Tirzepatide (GLP-1 and GIP agonist) from PeptiSlim between 28 Aug 2025 and 26 Jun 2026. 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
PeptiSlim
Tirzepatide
Tested 27 Samples
Last test 26 Jun 2026

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Other Tirzepatide tests from top-rated vendors:

Andy Peps Studio
A
Polaris Peptides
A
Aavant Research
A

All Tirzepatide tests from PeptiSlim

Samples are tested in commercial labs

Tests Count

27

Scores

AVG8.6MIN2.0MAX10.0

Last

26 Jun 2026

First

28 Aug 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityEndotoxinsBatch IDContainerTested AtSent By
26 Jun 2026View8.120mg22.1mg+10.5%99.80%n/aJan 6,2026(no data)Lab GPublic
26 Jun 2026View10.060mg58.3mg-2.8%99.90%n/aJanuary 4, 2026White label / Copper crimp / Clear capLab EPublic
26 Jun 2026View9.840mg37.8mg-5.5%99.90%n/aJanuary 6, 2025White label / Silver crimp / Green capLab EPublic
26 Jun 2026View10.050mg48.8mg-2.4%99.90%n/aJanuary 18, 2026White label / Silver crimp / Clear Yellow capLab EPublic
26 Jun 2026View10.030mg29.1mg-3.0%99.90%n/aJanuary 22, 2026White label / Silver crimp / Green capLab EPublic
23 Jun 2026View9.810mg9.57mg-4.3%99.80%n/aDecember 5, 2025White label / Silver crimp / Clear Green capLab EPublic
22 Jun 2026View10.010mg9.53mg-4.7%99.90%n/aJanuary 6th, 2026White label / Silver crimp / Clear Green capLab EPublic
17 Jun 2026View7.920mg17.7mg-11.5%99.80%n/aDecember 2, 2025White label / Silver crimp / Violet capLab GPublic
17 Jun 2026View6.930mg35.6mg+18.7%99.80%n/a258008Black label / Silver crimp / White capLab GPublic
17 Jun 2026View6.420mg26.3mg+31.5%99.70%n/aJanuary 6, 2025White label / Silver crimp / Violet capLab GPublic
25 Mar 2026View9.25mg5.3mg+6.0%99.70%n/aFebruary 25, 2026No Label / Silver Crimp / Blue CapLab GPublic
16 Mar 2026View9.710mg10.6mg+6.0%99.90%
low
March 2 2026No Label / Silver Crimp / Clear Green CapLab EPublic
4 Mar 2026View9.930mg30.2mg+0.7%99.85%n/aLGHTPINK-0001White Label / Silver Crimp / Pink CapLab EPublic
4 Mar 2026View8.315mg15.7mg+4.7%99.15%n/aPINK-0001White Label / Silver Crimp / Pink CapLab EPublic
26 Feb 2026View8.950mg54.2mg+8.4%99.90%n/aOctober 20,2025No Label / Silver Crimp / Clear Yellow CapLab EPublic
20 Feb 2026View6.710mg14mg+40.0%99.88%n/aOctober 2 2025White Label / Silver Crimp / Yellow CapLab EPublic
18 Feb 2026View8.960mg63.8mg+6.3%99.63%n/aOct 2, 2025No Label / Silver Crimp / Orange CapLab EPublic
15 Jan 2026View7.560mg51.7mg-13.8%99.80%n/aMfg. Oct 18, 2025White Label / Copper Crimp / Clear CapLab GPublic
15 Jan 2026View7.830mg34mg+13.3%99.90%n/aMfg. Nov 05, 2025White Label / Silver Crimp / Black CapLab GPublic
15 Jan 2026View8.420mg21.9mg+9.5%99.80%n/aMfg. Oct 19, 2025White Label / Silver Crimp / Violet CapLab GPublic
9 Jan 2026View9.660mg63.7mg+6.2%99.95%n/aOct 2, 2025No Label / Silver Crimp / Orange CapLab EPublic
29 Dec 2025View10.030mg30mg99.95%n/aNovember 4,2025No Label / Silver Crimp / Black CapLab EPublic
23 Nov 2025View7.730mg33.06mg+10.2%99.60%n/aPNK1/20Silver Label / Silver Crimp / Pink CapLab APublic
17 Nov 2025View2.030mg
⚠️ Sample does not contain Tirzepatide
n/a#1OF20Silver Label / Copper Crimp / Clear CapLab EPublic
29 Oct 2025View8.130mg26.5mg-11.7%99.89%n/a Sep 15, 2025No Label / Silver Crimp / Pink CapLab EPublic
3 Oct 2025View9.910mg10.5mg+5.0%99.86%n/aJuly 7, 2025No Label / Silver Crimp / Clear Green Cap Lab EPublic
28 Aug 2025View10.040mg38.9mg-2.8%99.93%n/aMay 16, 2026No Label / Silver Crimp / Green Cap Lab EPublic
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