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Reta-Peptide

Reta-Peptide

Tirzepatide

Finnrick tested 27 samples of Tirzepatide (GLP-1 and GIP agonist) from Reta-Peptide between 20 Jun 2025 and 28 Apr 2026. Test scores average over 4, no score below 3, and at least 6 tests warrant a confident Finnrick Rating of D (Poor).

Finnrick Rating™
D
POOR
Reta-Peptide
Tirzepatide
Tested 27 Samples
Last test 28 Apr 2026

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Other Tirzepatide tests from top-rated vendors:

Polaris Peptides
A
Aavant Research
A
Paradigm Peptide
A

All Tirzepatide tests from Reta-Peptide

Samples are tested in commercial labs

Tests Count

27

Scores

AVG7.4MIN3.5MAX10.0

Last

28 Apr 2026

First

20 Jun 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityEndotoxinsBatch IDContainerTested AtSent By
28 Apr 2026View10.050mg50.2mg+0.4%99.90%n/a1/2/26No Label / Silver Crimp / Yellow CapLab EPublic
23 Apr 2026View10.040mg39.9mg-0.3%99.90%n/a February 2, 2026No Label / Silver Crimp / Green CapLab EPublic
13 Mar 2026View5.960mg66.3mg+10.5%99.70%n/a(no batch ID)No Label / Silver Crimp / Orange CapLab GPublic
13 Mar 2026View5.760mg67.5mg+12.5%99.80%n/a(no batch ID)Pink Label / Silver Crimp / Pink CapLab GPublic
4 Mar 2026View7.520mg20mg98.48%n/aJan7thNo Label / Silver Crimp / Violet CapLab EPublic
13 Feb 2026View8.310mg8.91mg-10.9%99.90%
below LOQ
December 5, 2025No Label / Silver Crimp / Clear Green CapLab EPublic
22 Jan 2026View6.730mg37mg+23.3%99.80%n/a08.11.25White Label / Silver Crimp / Green CapLab GPublic
29 Dec 2025View4.010mg13.8mg+38.0%99.60%n/a(no batch ID)White Label / Copper Crimp / Clear CapLab GPublic
29 Dec 2025View3.55mg4.4mg-12.0%98.50%n/a(no batch ID)White Label / Silver Crimp / Violet CapLab GPublic
29 Dec 2025View7.140mg42.8mg+7.0%99.80%n/a(no batch ID)White Label / Copper Crimp / Clear CapLab GPublic
18 Dec 2025View5.015mg17.7mg+18.0%99.80%n/a(no batch ID)No Label / Silver Crimp / Clear Pink Cap Lab GPublic
25 Nov 2025View10.030mg29.5mg-1.7%99.91%
not detected
October 8, 2025No Label / Silver Crimp / Green Cap Lab EPublic
6 Nov 2025View10.030mg30mg99.95%n/a10/17/2025No Label / Silver Crimp / Pink CapLab EPublic
5 Nov 2025View7.630mg34.61mg+15.4%99.90%n/a91625White Label / Silver Crimp / Pink CapLab GPublic
23 Oct 2025View7.120mg19.9mg-0.5%99.53%n/a(no batch ID)No Label / Silver Crimp / Violet Cap Lab EPublic
9 Oct 2025View7.260mg64.1mg+6.8%99.83%n/a(no batch ID)White Label / Silver Crimp / Blue Cap Lab EPublic
3 Oct 2025View8.020mg20.6mg+3.0%99.95%n/a(no batch ID)No Label / Silver Crimp / Violet Cap Lab EPublic
1 Oct 2025View4.85mg5.8mg+16.0%99.60%n/a(no batch ID)White Label / Copper Crimp / Black Cap Lab GPublic
1 Oct 2025View5.020mg24.4mg+22.0%99.90%n/a(no batch ID)White Label / Copper Crimp / Violet Cap Lab GPublic
18 Sep 2025View7.730mg31.8mg+6.0%99.95%n/a(no batch ID)No Label / Silver Crimp / Green Cap Lab EPublic
4 Sep 2025View9.35mg5.15mg+3.0%99.62%n/aJuly 17, 2025No Label / Silver Crimp / White Cap Lab EPublic
4 Sep 2025View10.030mg29.8mg-0.7%99.95%n/a7.30.25White Label / Silver Crimp / Clear Cap Lab EPublic
4 Sep 2025View8.015mg14.8mg-1.3%99.95%n/a(no batch ID)Clear Label / Silver Crimp / Clear Pink CapLab EPublic
21 Aug 2025View7.230mg31.9mg+6.3%99.75%n/a(no batch ID)No Label / Silver Crimp / Violet CapLab EPublic
25 Jul 2025View8.020mg19.5mg-2.5%99.95%n/a(no batch ID)White Label / Silver Crimp / Violet CapLab EPublic
16 Jul 2025View7.930mg30.3mg+1.0%99.87%n/a(no batch ID)No Label / Silver Crimp / Pink CapLab EPublic
20 Jun 2025View7.320mg18.7mg-6.5%99.83%n/a(no batch ID)White Label / Silver Crimp / Purple CapLab EPublic
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