Finnrick - Ensuring a Safer and More Transparent Supply Chain
Coastal Peptides

Coastal Peptides
Retatrutide

Finnrick tested 5 samples of Retatrutide (GLP-1, GIP, and GCGR antagonist) from Coastal Peptides between 27 Feb 2025 and 20 Mar 2025. Test scores average over 4, no score below 3, and at least 2 tests warrant a tentative Finnrick Rating of D (Poor).

Finnrick Rating™
D
POOR
Coastal Peptides
Retatrutide
Tested 5 Samples
Last test 20 Mar 2025

Take Action

Researcher

Request Full Data Access to the Finnrick database of peptide tests.

Free peptide testing

Mail in a sample (US only) to get confidence for the specific vials you have, and contribute to identifying unsafe supply chains, so other people can avoid risky and costly mistakes.

Other Retatrutide tests from top-rated vendors:

All Retatrutide tests from Coastal Peptides

Samples are tested in commercial labs

Tests Count

5

Scores

AVG5.9MIN3.8MAX7.9

Last

20 Mar 2025

First

27 Feb 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
20 Mar 2025View6.110mg11.090mg+10.9%99.81%(no batch ID)White Label / Silver Crimp / Green CapLab BFinnrick
28 Feb 2025View3.810mg11.009mg+10.1%98.33%(no batch ID)White Label / Silver Crimp / Green CapLab CFinnrick
28 Feb 2025View3.810mg11.149mg+11.5%98.63%(no batch ID)White Label / Silver Crimp / Green CapLab CFinnrick
27 Feb 2025View7.910mg10.450mg+4.5%99.87%(no batch ID)White Label / Silver Crimp / Green CapLab AFinnrick
27 Feb 2025View7.910mg10.410mg+4.1%99.85%(no batch ID)White Label / Silver Crimp / Green CapLab AFinnrick
Coastal Peptides: Retatrutide tests and rating - Finnrick - Product Testing & Supply Chain Transparency