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Retatrutide(GLP-1, GIP, and GCGR antagonist)

We've tested 189 samples of Retatrutide sourced from 34 vendors between 17 Dec 2024 and 7 May 2025. Purity varies from 89.66% to 100.00%, and quantity can diverge by up to +/-100% vs advertised value.

Finnrick Top 3 - 16 May 2025
Retatrutide
1
NextechLabs
A
GREAT
2
Oasis Peptides
A
GREAT
3
Skye Peptides
B
GOOD

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Vendors

Tests
Vendor
Rating
CountAvgMinMaxOldestMost Recent
Pure RawzPure Rawz
A
Great
29.19.09.16 May 20256 May 2025
Limitless Life NootropicsLimitless Life Nootropics
A
Great
48.46.410.013 Feb 202519 Feb 2025
Atomik LabzAtomik Labz
A
Great
47.96.89.06 May 20256 May 2025
PurePeptidesPurePeptides
A
Great
47.76.89.427 Feb 202520 Mar 2025
NextechLabsNextechLabs
A
Great
67.46.59.014 Jan 202520 Mar 2025
Oasis PeptidesOasis Peptides
A
Great
67.46.38.014 Jan 202520 Mar 2025
Loti LabsLoti Labs
A
Great
57.36.08.016 Mar 20256 May 2025
Peptide CraftersPeptide Crafters
A
Great
57.26.68.617 Dec 202420 Mar 2025
Skye PeptidesSkye Peptides
B
Good
97.86.09.517 Dec 20247 May 2025
Verified PeptidesVerified Peptides
B
Good
47.05.99.713 Feb 202519 Feb 2025
Eternal PeptidesEternal Peptides
B
Good
26.96.96.97 May 20257 May 2025
Alpha-GenAlpha-Gen
B
Good
46.75.87.824 Apr 202530 Apr 2025
Nuscience PeptidesNuscience Peptides
B
Good
46.76.17.022 Apr 20255 May 2025
Royal PeptidesRoyal Peptides
B
Good
66.75.87.516 Mar 202526 Mar 2025
Pharma Grade PeptidesPharma Grade Peptides
B
Good
26.36.36.37 May 20257 May 2025
Paramount PeptidesParamount Peptides
C
Okay
97.44.39.314 Jan 20256 May 2025
Amino AmigosAmino Amigos
C
Okay
26.74.09.414 Jan 202523 Jan 2025
Platinum CryoPlatinum Cryo
C
Okay
66.65.08.022 Apr 20257 May 2025
Planet PeptidePlanet Peptide
C
Okay
86.54.58.517 Dec 20247 May 2025
Simple PeptideSimple Peptide
C
Okay
46.04.77.725 Apr 20256 May 2025
Biolongevity LabsBiolongevity Labs
C
Okay
55.94.47.331 Mar 20257 May 2025
Amplified AminoAmplified Amino
C
Okay
45.64.47.013 Feb 202519 Feb 2025
Amino AsylumAmino Asylum
C
Okay
25.64.86.514 Feb 202519 Feb 2025
Liberty PeptidesLiberty Peptides
C
Okay
35.24.26.131 Mar 20257 May 2025
Suaway Lab ResearchSuaway Lab Research
C
Okay
45.24.36.231 Mar 202522 Apr 2025
Polaris PeptidesPolaris Peptides
D
Poor
177.63.99.017 Dec 20246 May 2025
Coastal PeptidesCoastal Peptides
D
Poor
55.93.87.927 Feb 202520 Mar 2025
TydesTydes
D
Poor
95.23.87.217 Dec 202430 Apr 2025
Elite Research USAElite Research USA
D
Poor
24.94.84.930 Apr 202530 Apr 2025
Peptide SciencesPeptide Sciences
E
Bad
265.52.010.017 Dec 20247 May 2025
Forever Young PharmacyForever Young Pharmacy
E
Bad
82.91.57.117 Dec 202431 Mar 2025
Peptide GurusPeptide Gurus
E
Bad
60.00.00.016 Mar 202527 Mar 2025
Peptide worldwidePeptide worldwide
X
Unrated
17.17.17.16 May 20256 May 2025
SRY LabsSRY Labs
X
Unrated
14.74.74.720 Apr 202520 Apr 2025

Most recent Retatrutide tests

Samples are tested in commercial labs

Quantity
Test DateVendorCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
7 May 2025Peptide SciencesView2.06mg
⚠️ Sample does not contain Retatrutide
RET7920231109-6White, Orange Label / Purple Crimp / Orange CapLab EFinnrick
7 May 2025Peptide SciencesView7.616mg13.600mg-15.0%100.00%RET9920241120-16White, Orange Label / Blue Crimp / Turquoise CapLab EFinnrick
7 May 2025Biolongevity LabsView7.310mg10.700mg+7.0%100.00%(no batch ID)White Label / Silver Crimp / White Cap Lab EFinnrick
7 May 2025Platinum CryoView5.015mg14.500mg-3.3%97.30%(no batch ID)White Label / Black Crimp / Clear CapLab EFinnrick
7 May 2025Platinum CryoView5.015mg14.300mg-4.7%96.45%(no batch ID)White Label / Black Crimp / Clear CapLab EFinnrick
7 May 2025Peptide SciencesView7.616mg13.600mg-15.0%100.00%RET9920241120-16White, Orange Label / Blue Crimp / Turquoise CapLab EFinnrick
7 May 2025Liberty PeptidesView6.110mg10.200mg+2.0%99.04%(no batch ID)White Label / Silver Crimp / White CapLab EFinnrick

Corrections

15 Apr 2025: Polaris Peptides
Lab B test 19 Feb 2025: updated quantity following the identification of a clerical error, value was erroneously listed as 6.25mg. Lab issued an updated test certificate on 7 Apr 2025.
15 Apr 2025: Limitless Life Nootropics
Lab B test 19 Feb 2025: updated quantity following the identification of a clerical error, value was erroneously listed as 9.27mg. Lab issued an updated test certificate on 7 Apr 2025.
6 Apr 2025: Forever Young Pharmacy
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.
6 Apr 2025: Peptide Sciences
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.