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PeptiSlim

PeptiSlim

Retatrutide

Finnrick tested 23 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from PeptiSlim between 1 Sep 2025 and 7 Mar 2026. Test scores average over 5, no score below 4, and at least 6 tests warrant a confident Finnrick Rating of C (Okay).

Finnrick Rating™
C
OKAY
PeptiSlim
Retatrutide
Tested 23 Samples
Last test 7 Mar 2026

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Other Retatrutide tests from top-rated vendors:

Paradigm Peptide
A
Peptide Partners
A
Lipeptides
A

All Retatrutide tests from PeptiSlim

Samples are tested in commercial labs

Tests Count

23

Scores

AVG7.8MIN4.4MAX10.0

Last

7 Mar 2026

First

1 Sep 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityEndotoxinsBatch IDContainerTested AtSent By
7 Mar 2026View5.960mg67.8mg+13.0%99.90%n/a(no batch ID)No Label / Copper Crimp / Clear CapLab GPublic
6 Mar 2026View8.510mg11mg+10.0%99.90%n/aDecember 25, 2025No Label / Silver Crimp / Clear Blue CapLab EPublic
3 Mar 2026View8.030mg31.5mg+5.0%99.90%
below LOQ
(no batch ID)No Label / Silver Crimp / Blue CapLab EPublic
26 Feb 2026View10.020mg19.3mg-3.5%99.90%n/aDec2,2025White Label / Gold Crimp / Clear CapLab EPublic
20 Feb 2026View8.05mg4.46mg-10.8%99.76%n/aNovember 5 2025White Label / Silver Crimp / Blue CapLab EPublic
18 Feb 2026View8.060mg57.9mg-3.5%99.02%n/aRT60-2300No Label / Silver Crimp / Violet CapLab EPublic
18 Feb 2026View9.830mg28.3mg-5.7%99.90%n/aDec2, 2025No Label / Silver Crimp / Blue CapLab EPublic
10 Feb 2026View10.060mg62mg+3.3%99.90%n/aSHJN-11172025White Label / Silver Crimp / Yellow CapLab GPublic
26 Jan 2026View9.520mg21mg+5.0%99.70%n/aMfg. Nov 5, 2025White Label / Silver Crimp / Violet CapLab EPublic
26 Jan 2026View4.530mg36.4mg+21.3%99.70%n/a(no batch ID)No Label / Silver Crimp / Blue CapLab EPublic
26 Jan 2026View7.860mg66.5mg+10.8%99.70%n/a672300Silver Label / Silver Crimp / Yellow CapLab EPublic
26 Jan 2026View6.860mg71.7mg+19.5%99.80%n/aMfg. Sept 24, 2025White Label / Silver Crimp / Clear Yellow CapLab EPublic
19 Jan 2026View7.030mg27.6mg-8.0%99.95%n/a(no batch ID)No Label / Silver Crimp / Pink Cap Lab EPublic
16 Dec 2025View6.910mg9.4mg-6.0%99.60%n/a(no batch ID)No Label / Silver Crimp / Clear Blue Cap Lab GPublic
16 Dec 2025View7.310mg10.2mg+2.0%99.60%n/a(no batch ID)No Label / Silver Crimp / Yellow Cap Lab GPublic
17 Nov 2025View9.020mg20.4mg+2.0%99.52%n/aOctober 8, 2025No Label / Silver Crimp / Violet CapLab EPublic
17 Nov 2025View9.430mg28.4mg-5.3%99.70%n/a#1OF40Silver Label / Silver Crimp / Pink CapLab EPublic
4 Nov 2025View7.610mg11.3mg+13.0%99.80%n/a#1OF20Silver Label / Silver Crimp / Clear Blue CapLab GPublic
4 Nov 2025View6.810mg10.9mg+9.0%99.95%n/a(no batch ID)No Label / Silver Crimp / Yellow CapLab EPublic
4 Nov 2025View4.460mg35.9mg-40.2%99.75%n/a(no batch ID)No Label / Silver Crimp / White CapLab EPublic
24 Oct 2025View7.310mg9.9mg-1.0%99.60%n/a(no batch ID)No Label / Copper Crimp / Clear Blue CapLab GPublic
5 Oct 2025View9.05mg5.19mg+3.8%99.48%n/aJuly 7, 2025No Label / Silver Crimp / Black Cap Lab EPublic
1 Sep 2025View7.630mg31.86mg+6.2%99.90%n/a(no batch ID)No Label / Silver Crimp / Clear Cap Lab FPublic
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