Finnrick - Ensuring a Safer and More Transparent Supply Chain
Peptide Sciences

Peptide Sciences
Retatrutide

Finnrick tested 34 samples of Retatrutide (GLP-1, GIP, and GCGR antagonist) from Peptide Sciences between 17 Dec 2024 and 4 Aug 2025. 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
Peptide Sciences
Retatrutide
Tested 34 Samples
Last test 4 Aug 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 Peptide Sciences

Samples are tested in commercial labs

Tests Count

34

Scores

AVG5.8MIN2.0MAX10.0

Last

4 Aug 2025

First

17 Dec 2024
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
4 Aug 2025View8.66mg5.750mg-4.2%99.31%VI9920250415-6White Label / Blue Crimp / Pink CapLab DPublic
4 Aug 2025View5.712mg11.090mg-7.6%99.28%(no batch ID)(no data)Lab DPublic
17 Jul 2025View8.05mg4.860mg-2.8%99.95%(no batch ID)Blue Label / Silver Crimp / Blue CapLab EPublic
3 Jul 2025View7.16mg4.980mg-17.0%99.77%VI9920250415-6White Label / Blue Crimp / Pink Cap Lab EPublic
3 Jul 2025View6.112mg9.360mg-22.0%99.54%VI9920250417-12White Label / Blue Crimp / Brown CapLab EPublic
30 Jun 2025View6.36mg5.439mg-9.3%99.74%(no batch ID)White Label / Blue Crimp / Pink Cap Lab APublic
27 Jun 2025View6.96mg5.251mg-12.5%99.47%VI9920250415-6White Label / Blue Crimp / Pink CapLab APublic
11 Jun 2025View6.516mg12.300mg-23.1%99.70%RET9920250212-16 White Label / Blue Crimp / Clear Teal CapLab EPublic
7 May 2025View7.616mg13.600mg-15.0%100.00%RET9920241120-16White, Orange Label / Blue Crimp / Turquoise CapLab EFinnrick
7 May 2025View7.616mg13.600mg-15.0%100.00%RET9920241120-16White, Orange Label / Blue Crimp / Turquoise CapLab EFinnrick
7 May 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231109-6White, Orange Label / Purple Crimp / Orange CapLab EFinnrick
6 May 2025View5.412mg10.100mg-15.8%98.83%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab EFinnrick
6 May 2025View10.012mg12.126mg+1.1%99.95%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab CFinnrick
6 May 2025View10.012mg12.170mg+1.4%99.95%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab CFinnrick
5 May 2025View9.812mg11.510mg-4.1%99.82%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab BFinnrick
5 May 2025View9.712mg11.560mg-3.7%99.79%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab BFinnrick
25 Apr 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231109-6White Label / Purple Crimp / Orange CapLab FFinnrick
22 Apr 2025View7.112mg10.480mg-12.7%99.56%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab DFinnrick
22 Apr 2025View7.512mg10.520mg-12.3%99.71%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab DFinnrick
22 Apr 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231109-6White, Orange Label / Purple Crimp / Orange CapLab DFinnrick
22 Apr 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231109-6White, Orange Label / Purple Crimp / Orange CapLab DFinnrick
18 Apr 2025View4.86mg8.750mg+45.8%99.05%RET7920231109-6White Label / Purple Crimp / Orange CapLab DFinnrick
18 Apr 2025View4.96mg8.720mg+45.3%99.09%RET7920231109-6White Label / Purple Crimp / Orange CapLab DFinnrick
28 Mar 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231109-6White, Orange Label / Purple Crimp / Orange CapLab CFinnrick
28 Mar 2025View8.712mg11.104mg-7.5%99.70%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab CFinnrick
28 Mar 2025View7.412mg10.606mg-11.6%99.63%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab CFinnrick
28 Mar 2025View7.416mg14.165mg-11.5%99.61%RET9920241120-16White, Orange Label / Blue Crimp / Turquoise CapLab CFinnrick
28 Mar 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231109-6White, Orange Label / Purple Crimp / Orange CapLab CFinnrick
28 Mar 2025View8.116mg14.693mg-8.2%99.55%RET9920241120-16White, Orange Label / Blue Crimp / Turquoise CapLab CFinnrick
19 Feb 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231124-6White Label / Purple Crimp / Orange CapLab BFinnrick
14 Feb 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231124-6White Label / Purple Crimp / Orange CapLab AFinnrick
13 Feb 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231124-6White Label / Purple Crimp / Orange CapLab CFinnrick
13 Feb 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231124-6White Label / Purple Crimp / Orange CapLab CFinnrick
17 Dec 2024View5.86mg7.823mg+30.4%99.48%RET7920231124-6White Label / Purple Crimp / Orange CapLab AFinnrick

Corrections

6 Apr 2025
Lab A test 14 Feb 2025: updated compound identification, removed purity and quantity values. Error in analysis by Lab, compound was incorrectly identified as Retatrutide. Lab issued an updated test certificate.