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Semaglutide(GLP-1 agonist)

We've tested 284 samples of Semaglutide sourced from 48 vendors between 5 Dec 2024 and 30 Dec 2025. Purity varies from 88.19% to 100.00%, and quantity can diverge by up to +/-488% vs advertised value.

Finnrick Top 3™ - 2 Jan 2026
Semaglutide
1
Peptide Crafters
A
GREAT
2
Astro Peptides
A
GREAT
3
Skye Peptides
A
GREAT

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Vendors

Tests
Vendor
Rating
CountAvgMinMaxOldestMost Recent
NextechLabsNextechLabs
A
Great
29.19.09.314 Jan 202523 Jan 2025
InjectifyInjectify
A
Great
49.58.410.016 May 202522 Jul 2025
Yiwu Aozuo Trading CoYiwu Aozuo Trading Co
A
Great
28.88.09.730 Dec 202530 Dec 2025
Pure RawzPure Rawz
A
Great
48.47.99.06 May 202521 May 2025
Verified PeptidesVerified Peptides
A
Great
48.37.98.913 Feb 202519 Feb 2025
DeuschemDeuschem
A
Great
48.27.79.014 Jun 20255 Aug 2025
Amino AsylumAmino Asylum
A
Great
27.87.68.014 Feb 202519 Feb 2025
UtherUther
A
Great
38.07.38.89 Oct 202529 Dec 2025
Peptide TechnologiesPeptide Technologies
A
Great
48.87.210.027 Feb 202520 Mar 2025
Skye PeptidesSkye Peptides
A
Great
98.27.28.617 Dec 202420 Mar 2025
Accelerate LabsAccelerate Labs
A
Great
37.37.17.616 May 202522 Jul 2025
Bulk Peptide SupplyBulk Peptide Supply
A
Great
48.77.110.029 Jun 202514 Nov 2025
Planet PeptidePlanet Peptide
A
Great
87.56.99.017 Dec 20246 May 2025
Astro PeptidesAstro Peptides
A
Great
78.36.79.722 Apr 20255 May 2025
Amino AmigosAmino Amigos
A
Great
77.76.59.814 Jan 202520 Mar 2025
Atomik LabzAtomik Labz
A
Great
47.76.58.26 May 20256 May 2025
Peptide CraftersPeptide Crafters
A
Great
108.36.49.017 Dec 202420 Mar 2025
Forever Young PharmacyForever Young Pharmacy
A
Great
57.46.38.517 Dec 202419 Feb 2025
Peptide SciencesPeptide Sciences
A
Great
147.76.39.817 Dec 202422 Jul 2025
Simple PeptideSimple Peptide
A
Great
47.46.39.525 Apr 20256 May 2025
HK PeptidesHK Peptides
A
Great
67.06.28.09 Jul 202529 Dec 2025
Liberty PeptidesLiberty Peptides
A
Great
57.46.28.028 Mar 202524 Oct 2025
OupeptideOupeptide
B
Good
46.76.37.25 Aug 202531 Aug 2025
Peptide GurusPeptide Gurus
B
Good
66.55.97.316 Mar 202525 Mar 2025
Royal PeptidesRoyal Peptides
B
Good
77.05.88.916 Mar 20253 Aug 2025
Suaway Lab ResearchSuaway Lab Research
B
Good
56.55.87.428 Mar 202522 Jul 2025
Eternal PeptidesEternal Peptides
B
Good
46.45.77.57 May 202521 May 2025
Nuscience PeptidesNuscience Peptides
B
Good
147.85.610.014 Apr 202510 Sep 2025
Peptide-SPeptide-S
B
Good
47.35.69.016 Jul 20256 Aug 2025
SRY LabsSRY Labs
B
Good
36.65.58.229 Jun 20254 Sep 2025
Alpha-GenAlpha-Gen
B
Good
56.85.47.624 Apr 202521 May 2025
Bfflist AMOBfflist AMO
B
Good
37.75.39.029 Jun 202525 Nov 2025
Platinum CryoPlatinum Cryo
B
Good
66.15.28.022 Apr 20257 May 2025
Precision Peptide CoPrecision Peptide Co
B
Good
46.85.09.07 May 202516 May 2025
Pharma Grade PeptidesPharma Grade Peptides
C
Okay
25.15.15.27 May 20257 May 2025
Amplified AminoAmplified Amino
C
Okay
45.24.85.513 Feb 202519 Feb 2025
Polaris PeptidesPolaris Peptides
C
Okay
166.94.78.717 Dec 202412 Aug 2025
Paramount PeptidesParamount Peptides
C
Okay
96.34.68.914 Jan 20256 May 2025
Elite Research USAElite Research USA
C
Okay
96.34.58.025 Apr 20255 Aug 2025
NexaphNexaph
C
Okay
146.24.57.511 Jun 202522 Jul 2025
Zhejiang Yichenkang BiotechnologyZhejiang Yichenkang Biotechnology
C
Okay
66.24.58.014 Jun 20255 Aug 2025
Loti LabsLoti Labs
D
Poor
44.94.65.016 Mar 202525 Mar 2025
TydesTydes
D
Poor
94.94.45.417 Dec 202430 Apr 2025
Shanghai Sigma Audley SSAShanghai Sigma Audley SSA
D
Poor
97.43.99.529 Jun 202530 Oct 2025
Peptides For SalePeptides For Sale
D
Poor
44.63.66.027 Feb 202520 Mar 2025
Oasis PeptidesOasis Peptides
E
Bad
43.52.94.314 Jan 202513 Feb 2025
ZLZ PeptideZLZ Peptide
E
Bad
55.52.57.911 Jun 202511 Dec 2025
Coastal PeptidesCoastal Peptides
E
Bad
60.80.05.028 Feb 202528 Mar 2025

Most recent Semaglutide tests

Samples are tested in commercial labs

Quantity
Test DateVendorCertificate
Test Score
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
30 Dec 2025Yiwu Aozuo Trading CoView8.030mg30.7mg+2.3%99.95%(no batch ID)No Label / Silver Crimp / Blue CapLab EPublic
30 Dec 2025Yiwu Aozuo Trading CoView9.710mg10.6mg+6.0%99.95%SM10(no data)Lab EPublic
29 Dec 2025HK PeptidesView7.75mg5.3mg+6.0%99.95%(no batch ID)No Label / Silver Crimp / Green CapLab EPublic
29 Dec 2025UtherView8.05mg5.25mg+5.0%99.95%(no batch ID)Silver Label / Silver Crimp / Green CapLab EPublic
11 Dec 2025ZLZ PeptideView7.915mg14.6mg-2.7%99.85%(no batch ID)No Label / Copper Crimp / Clear CapLab EPublic
25 Nov 2025HK PeptidesView6.930mg33.3mg+11.0%99.33%SM30No Label / Silver Crimp / Clear Cap Lab EPublic
25 Nov 2025Bfflist AMOView8.910mg9.52mg-4.8%99.46%106021No Label / Silver Crimp / Blue Cap Lab EPublic

Corrections

17 Nov 2025: Peptide Sciences
Test results for sample cjkyg7x were published from 31 Oct to 17 Nov 2025, but did not belong to Peptide Sciences: the sample was misidentified, and re-attributed to the correct vendor.
10 Mar 2025: Peptide Crafters
Lab C tests 10 Mar 2025: error for Batch Qty on test result SPL-0511-S01, corrected with new result from Lab