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Certified Peptides

Certified Peptides

Retatrutide

Finnrick tested 4 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Certified Peptides between 21 Aug 2025 and 10 Jul 2026. Test scores average below 4 or some scores below 3, and at least 2 tests, warrant a tentative Finnrick Rating of E (Bad).

Finnrick Rating™
Tentative Rating
Certified Peptides
Retatrutide
Tested 4 Samples
Last test 10 Jul 2026

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All Retatrutide tests from Certified Peptides

Samples are tested in commercial labs

Tests Count

4

Scores

AVG6.7MIN2.0MAX10.0

Last

10 Jul 2026

First

21 Aug 2025
Quantity
Test DateCertificate
Test Score
Label
Batch
TestedDifferencePurityEndotoxinsBatch IDContainerTested AtSent By
10 Jul 2026View2.030mg
⚠️ Sample does not contain Retatrutide
n/aRET3025Silver label / Silver crimp / Blue capLab GPublic
12 Jun 2026View6.810mg(no batch claim)9.57mg-4.3%99.40%
low
(no batch ID)Black label / Silver crimp / Red capLab EPublic
8 May 2026View7.830mg(no batch claim)26mg-13.3%99.90%
below LOQ
251110TZ103Black & White Label / Silver Crimp / Yellow CapLab EPublic
21 Aug 2025View10.010mg
11.1mg
10.6mg-4.8%99.89%n/are100605White Label / Blue Crimp / White CapLab EPublic
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