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Peptide Sciences

Peptide Sciences
Retatrutide

Finnrick tested 26 samples of Retatrutide (GLP-1, GIP, and GCGR antagonist) from Peptide Sciences between 17 Dec 2024 and 7 May 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 26 Samples
Last test 7 May 2025

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Samples are tested in commercial labs

Tests Count

26

Scores

AVG5.5MIN2.0MAX10.0

Last

7 May 2025

First

17 Dec 2024
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
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
7 May 2025View7.616mg13.600mg-15.0%100.00%RET9920241120-16White, Orange Label / Blue Crimp / Turquoise 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 2025View2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231109-6White, Orange Label / Purple Crimp / Orange CapLab DFinnrick
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
18 Apr 2025View4.96mg8.720mg+45.3%99.09%RET7920231109-6White Label / Purple Crimp / Orange CapLab DFinnrick
18 Apr 2025View4.86mg8.750mg+45.8%99.05%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 2025View8.116mg14.693mg-8.2%99.55%RET9920241120-16White, Orange Label / Blue Crimp / Turquoise CapLab CFinnrick
28 Mar 2025View7.416mg14.165mg-11.5%99.61%RET9920241120-16White, Orange Label / Blue Crimp / Turquoise CapLab CFinnrick
28 Mar 2025View7.412mg10.606mg-11.6%99.63%RET9920241222-12White, Orange Label / Black Crimp / Red CapLab CFinnrick
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
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.