Products

Tirzepatide

(GLP-1 and GIP antagonist)
Finnrick has tested 98 samples of Tirzepatide sourced from 19 vendors between 17 Dec 2024 and 2 Apr 2025. Purity varies from 96.46% to 99.99%, and quantity can diverge by up to +/-275.4% vs advertised value.

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Vendor ratings
AtoE
Test scores stats
Min
2.2
Max
10.0
Avg
6.2
Tests
Vendor
Rating
CountAvgMinMaxOldestMost Recent
Polaris PeptidesPolaris Peptides
A - Great
A - Great
99.17.410.017 Dec 202419 Feb 2025
Skye PeptidesSkye Peptides
A - Great

Tentative rating: based on only 5 samples of Tirzepatide from Skye Peptides, Finnrick has limited confidence in this rating. More tests would be helpful.

58.07.38.517 Dec 202420 Mar 2025
Planet PeptidePlanet Peptide
A - Great

Tentative rating: based on only 3 samples of Tirzepatide from Planet Peptide, Finnrick has limited confidence in this rating. More tests would be helpful.

37.46.78.317 Dec 202413 Feb 2025
Peptide SciencesPeptide Sciences
A - Great

Tentative rating: based on only 4 samples of Tirzepatide from Peptide Sciences, Finnrick has limited confidence in this rating. More tests would be helpful.

47.26.77.728 Mar 202528 Mar 2025
Verified PeptidesVerified Peptides
A - Great

Tentative rating: based on only 4 samples of Tirzepatide from Verified Peptides, Finnrick has limited confidence in this rating. More tests would be helpful.

47.27.07.513 Feb 202519 Feb 2025
Coastal PeptidesCoastal Peptides
A - Great

Tentative rating: based on only 5 samples of Tirzepatide from Coastal Peptides, Finnrick has limited confidence in this rating. More tests would be helpful.

57.16.57.927 Feb 202520 Mar 2025
PurePeptidesPurePeptides
A - Great

Tentative rating: based on only 4 samples of Tirzepatide from PurePeptides, Finnrick has limited confidence in this rating. More tests would be helpful.

47.06.67.827 Feb 202520 Mar 2025
Forever Young PharmacyForever Young Pharmacy
B - Good

Tentative rating: based on only 3 samples of Tirzepatide from Forever Young Pharmacy, Finnrick has limited confidence in this rating. More tests would be helpful.

36.95.88.02 Apr 20252 Apr 2025
Oasis PeptidesOasis Peptides
B - Good
B - Good
66.15.26.814 Jan 202513 Feb 2025
Loti LabsLoti Labs
C - Okay
C - Okay
86.54.78.016 Mar 202525 Mar 2025
Amino AsylumAmino Asylum
C - Okay

Tentative rating: based on only 2 samples of Tirzepatide from Amino Asylum, Finnrick has limited confidence in this rating. More tests would be helpful.

25.84.67.014 Feb 202519 Feb 2025
Peptide CraftersPeptide Crafters
C - Okay

Tentative rating: based on only 5 samples of Tirzepatide from Peptide Crafters, Finnrick has limited confidence in this rating. More tests would be helpful.

55.84.27.817 Dec 202420 Mar 2025
NextechLabsNextechLabs
C - Okay
C - Okay
65.44.76.014 Jan 202520 Mar 2025
Royal PeptidesRoyal Peptides
C - Okay
C - Okay
65.44.26.516 Mar 202525 Mar 2025
TydesTydes
C - Okay
C - Okay
75.44.66.217 Dec 202420 Mar 2025
Paramount PeptidesParamount Peptides
D - Poor
D - Poor
66.23.68.114 Jan 202520 Mar 2025
Suaway Lab ResearchSuaway Lab Research
D - Poor

Tentative rating: based on only 2 samples of Tirzepatide from Suaway Lab Research, Finnrick has limited confidence in this rating. More tests would be helpful.

24.24.24.228 Mar 202528 Mar 2025
Amino AmigosAmino Amigos
E - Bad
E - Bad
74.03.74.614 Jan 202520 Mar 2025
Peptide GurusPeptide Gurus
E - Bad
E - Bad
63.32.24.416 Mar 202525 Mar 2025

Most recent Tirzepatide tests

Quantity
Test DateVendor
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
2 Apr 2025Forever Young Pharmacy5.815mg15.502mg+3.4%98.82%(no batch ID)White Label / Blue CapLab C
Public
A member of the public mailed in this sample for testing.
2 Apr 2025Forever Young Pharmacy6.815mg13.691mg-8.7%99.92%(no batch ID)White Label / Purple CapLab C
Public
A member of the public mailed in this sample for testing.
2 Apr 2025Forever Young Pharmacy8.030mg29.040mg-3.2%99.95%(no batch ID)White Label / Green CapLab C
Public
A member of the public mailed in this sample for testing.
28 Mar 2025Peptide Sciences6.95mg4.290mg-14.2%99.58%TIR7920230179-5White, Orange / Orange CapLab C
Finnrick
This sample was ordered by Finnrick directly from the vendor, anonymously or not.
28 Mar 2025Peptide Sciences6.75mg3.888mg-22.2%99.81%TIR7920230179-5White, Orange / Orange CapLab C
Finnrick
This sample was ordered by Finnrick directly from the vendor, anonymously or not.
28 Mar 2025Peptide Sciences7.410mg8.354mg-16.5%99.94%TIR7920250124-10White, Orange / Clear Blue CapLab C
Finnrick
This sample was ordered by Finnrick directly from the vendor, anonymously or not.
28 Mar 2025Peptide Sciences7.710mg8.599mg-14.0%99.95%TIR7920250124-10White, Orange / Clear Blue CapLab C
Finnrick
This sample was ordered by Finnrick directly from the vendor, anonymously or not.