Finnrick - Ensuring a Safer and More Transparent Supply Chain

PT-141(Bremelanotide)

We've tested 88 samples of PT-141 sourced from 26 vendors between 16 Mar 2025 and 4 Mar 2026. Purity varies from 89.13% to 100.00%, and quantity can diverge by up to +/-100% vs advertised value.

Finnrick Top 3™ - 6 Mar 2026
PT-141
1
Peptide Sciences
A
GREAT
2
Polaris Peptides
A
GREAT
3
LiliPeptide
E
BAD

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Vendors

Tests
Vendor
Rating
CountAvgMinMaxOldestMost Recent
Bulk Peptide SupplyBulk Peptide Supply
A
Great
29.99.810.03 Oct 20253 Oct 2025
UtherUther
A
Great
29.89.710.09 Oct 20259 Oct 2025
PeptidologyPeptidology
A
Great
49.89.410.013 Jun 202511 Aug 2025
Peptide TechnologiesPeptide Technologies
A
Great
28.98.79.216 Mar 202516 Mar 2025
Peptide SciencesPeptide Sciences
A
Great
69.17.09.77 May 202512 Aug 2025
Polaris PeptidesPolaris Peptides
A
Great
67.46.79.06 Aug 202519 Aug 2025
Qing Li PeptideQing Li Peptide
A
Great
48.36.610.031 Jul 202529 Dec 2025
Shanghai Sigma Audley SSAShanghai Sigma Audley SSA
A
Great
58.66.410.01 Sep 202523 Oct 2025
Planet PeptidePlanet Peptide
A
Great
37.46.48.125 Apr 20257 May 2025
Verified PeptidesVerified Peptides
B
Good
46.55.97.016 Mar 20257 May 2025
HK PeptidesHK Peptides
B
Good
58.25.610.019 Aug 202520 Feb 2026
Nuscience PeptidesNuscience Peptides
C
Okay
25.75.75.77 May 20257 May 2025
ScienceScience
C
Okay
25.75.65.821 May 202521 May 2025
Pure Tested PeptidesPure Tested Peptides
C
Okay
25.85.56.026 Jan 202626 Jan 2026
Paramount PeptidesParamount Peptides
C
Okay
38.04.79.825 Apr 20257 May 2025
Reta-PeptideReta-Peptide
C
Okay
56.94.510.031 Aug 202515 Jan 2026
Biolabshop LimitedBiolabshop Limited
C
Okay
25.84.37.313 Jun 202512 Aug 2025
Atomik LabzAtomik Labz
C
Okay
46.54.28.67 May 202521 May 2025
Biolongevity LabsBiolongevity Labs
C
Okay
35.74.27.013 Jun 202512 Aug 2025
DeuschemDeuschem
D
Poor
45.94.07.313 Jun 20254 Aug 2025
Pharma Grade PeptidesPharma Grade Peptides
D
Poor
25.23.27.27 May 20257 May 2025
Peptide GurusPeptide Gurus
E
Bad
33.02.93.216 Mar 202516 Mar 2025
SRY LabsSRY Labs
E
Bad
22.21.82.526 Jun 202529 Jun 2025
LiliPeptideLiliPeptide
E
Bad
75.80.08.425 Sep 202510 Feb 2026
OupeptideOupeptide
X
Unrated
14.74.74.724 Jul 202524 Jul 2025
Amino AsylumAmino Asylum
X
Unrated
12.52.52.516 Mar 202516 Mar 2025

Most recent PT-141 tests

Samples are tested in commercial labs

Quantity
Test DateVendorCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
20 Feb 2026HK PeptidesView10.010mg10.4mg+4.0%99.90%Green Lid P41No Label / Silver Crimp / Green CapLab EPublic
10 Feb 2026LiliPeptideView5.810mg8.6mg-14.0%99.90%(no batch ID)No Label / Silver Crimp / Red CapLab GPublic
4 Feb 2026LiliPeptideView6.510mg10.8mg+8.0%99.70%(no batch ID)No Label / Silver Crimp / Red CapLab GPublic
2 Feb 2026LiliPeptideView4.210mg9.26mg-7.4%96.09%(no batch ID)No Label / Silver Crimp / Red CapLab EPublic
26 Jan 2026Pure Tested PeptidesView6.010mg9.21mg-7.9%96.70%20250902Blue Label / Silver Crimp / Pink CapLab EVendor
26 Jan 2026Pure Tested PeptidesView5.510mg9.01mg-9.9%96.60%20250902Blue Label / Silver Crimp / Pink CapLab EVendor
15 Jan 2026Reta-PeptideView4.510mg8mg-20.0%99.70%(no batch ID)No Label / Silver Crimp / Red CapLab GPublic