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Mai Peptide

Mai Peptide

Retatrutide

Finnrick tested 29 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Mai Peptide between 4 Nov 2025 and 13 Mar 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
Mai Peptide
Retatrutide
Tested 29 Samples
Last test 13 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 Mai Peptide

Samples are tested in commercial labs

Tests Count

29

Scores

AVG8.0MIN2.2MAX10.0

Last

13 Mar 2026

First

4 Nov 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityEndotoxinsBatch IDContainerTested AtSent By
13 Mar 2026View7.410mg10.1mg+1.0%99.66%n/a(no batch ID)No Label / Silver Crimp / Yellow CapLab GPublic
13 Mar 2026View6.820mg21.6mg+8.0%99.80%n/a(no batch ID)No Label / Silver Crimp / White Cap Lab GPublic
12 Mar 2026View8.050mg43.8mg-12.4%99.90%n/aOctober 20, 2025No Label / Silver Crimp / Clear Yellow CapLab EPublic
6 Mar 2026View9.940mg37.9mg-5.3%99.90%n/a October 8,2025No Label / Silver Crimp / Green CapLab EPublic
22 Feb 2026View8.040mg40.1mg+0.3%99.90%n/a(no batch ID)Silver Label / Silver Crimp / Green CapLab EPublic
18 Feb 2026View8.420mg21.8mg+9.0%99.75%n/aMai11052025RT20Silver Label / Silver Crimp / Clear Blue CapLab EPublic
16 Feb 2026View10.010mg10.1mg+1.0%99.90%n/aMai12252025RT10Silver Label / Silver Crimp / Violet CapLab EPublic
15 Feb 2026View8.560mg65.3mg+8.8%99.80%n/aRT60No Label / Copper Crimp / Clear CapLab GPublic
15 Feb 2026View9.840mg40.1mg+0.3%99.80%n/aRT40No Label / Silver Crimp / Green CapLab GPublic
11 Feb 2026View8.060mg60.8mg+1.3%99.90%n/a(no batch ID)No Label / Gold Crimp / Clear CapLab EPublic
4 Feb 2026View6.810mg10.2mg+2.0%99.40%n/a(no batch ID)No Label / Silver Crimp / Clear Blue CapLab GPublic
4 Feb 2026View6.430mg31.8mg+6.0%99.36%
low
(no batch ID)No Label / Silver Crimp / Pink CapLab EPublic
29 Jan 2026View8.910mg9.53mg-4.7%99.43%n/a12/2025 Silver Label / Silver Crimp / Clear Blue CapLab EPublic
29 Jan 2026View9.660mg62.6mg+4.3%99.75%n/a2571941-83-5No Label / Gold Crimp / Clear CapLab EPublic
26 Jan 2026View10.040mg39.4mg-1.5%99.90%n/a October 8, 2025No Label / Silver Crimp / Green CapLab EPublic
26 Jan 2026View7.810mg10.1mg+1.0%99.80%n/a(no batch ID)Silver Label / Silver Crimp / Clear Blue CapLab EPublic
26 Jan 2026View7.820mg20.8mg+4.0%99.80%n/a(no batch ID)No Label / Silver Crimp / Purple CapLab GPublic
22 Jan 2026View5.350mg57.8mg+15.6%99.80%n/a(no batch ID)White Label / Silver Crimp / Yellow CapLab GPublic
22 Jan 2026View9.810mg10mg99.80%n/a12/25/2025No Label / Silver Crimp / Clear Blue CapLab GPublic
7 Jan 2026View8.010mg10.1mg+1.0%99.95%n/a(no batch ID)No Label / Silver Crimp / Clear Blue CapLab EPublic
7 Jan 2026View8.620mg18.1mg-9.5%99.95%n/aNovember 4,2025White Label / Silver Crimp / Violet CapLab EPublic
1 Jan 2026View7.820mg19.7mg-1.5%99.80%n/a(no batch ID)No Label / Silver Crimp / White Cap Lab GPublic
29 Dec 2025View2.210mg8.29mg-17.1%81.94%n/a(no batch ID)No Label / Silver Crimp / Green CapLab EPublic
29 Dec 2025View8.010mg9.56mg-4.4%99.95%n/a(no batch ID)No Label / Copper Crimp / Clear CapLab EPublic
13 Dec 2025View6.415mg15.2mg+1.3%99.20%n/a(no batch ID)White Label / Silver Crimp / Clear CapLab GPublic
12 Dec 2025View9.710mg10.6mg+6.0%99.95%
not detected
 October 8, 2025No Label / Silver Crimp / Clear Blue CapLab EPublic
23 Nov 2025View9.430mg31.8mg+6.0%99.80%n/aOctober 8, 2025No Label / Silver Crimp / Pink CapLab GPublic
14 Nov 2025View8.415mg16.4mg+9.3%99.80%n/a 09/04/2025No Label / Copper Crimp / Clear CapLab GPublic
4 Nov 2025View7.310mg11.1mg+11.0%99.50%n/aSeptember 6, 2025No Label / Silver Crimp / Clear Blue CapLab GPublic
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