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Tesamorelin

We've tested 270 samples of Tesamorelin sourced from 31 vendors between 7 May 2025 and 7 Mar 2026. Purity varies from 12.70% to 100.00%, and quantity can diverge by up to +/-101% vs advertised value.

Finnrick Top 3™ - 13 Mar 2026
Tesamorelin
1
Peptide Partners
B
GOOD
2
Xingruida XDR
C
OKAY
3
Yiwu Aozuo Trading Co
D
POOR

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Vendors

Tests
Vendor
Rating
CountAvgMinMaxOldestMost Recent
Pure Tested PeptidesPure Tested Peptides
A
Great
38.36.410.09 Oct 202526 Jan 2026
UtherUther
A
Great
47.16.47.824 Jul 202510 Feb 2026
Peptide PartnersPeptide Partners
B
Good
117.85.310.030 Jan 202620 Feb 2026
Skye PeptidesSkye Peptides
B
Good
56.15.07.114 May 20254 Feb 2026
Xingruida XDRXingruida XDR
C
Okay
66.04.08.417 Jul 202511 Feb 2026
Tianjin Finder Chemical TFCTianjin Finder Chemical TFC
D
Poor
56.13.86.911 Aug 202515 Feb 2026
HXNetHXNet
D
Poor
116.33.58.024 Jul 20254 Mar 2026
Peptide-SPeptide-S
D
Poor
75.43.58.013 Jun 202515 Jan 2026
Xingtai Jiachuang TechnologyXingtai Jiachuang Technology
D
Poor
87.23.410.04 Nov 202520 Feb 2026
Yiwu Aozuo Trading CoYiwu Aozuo Trading Co
D
Poor
77.83.310.09 Sep 20252 Feb 2026
NexaphNexaph
D
Poor
217.03.29.729 Jun 20252 Mar 2026
Reta-PeptideReta-Peptide
D
Poor
106.73.010.09 Sep 20252 Mar 2026
Peptides 4 ResearchPeptides 4 Research
E
Bad
44.03.44.67 May 202521 May 2025
Tianjin Ruiwang New Material Technology CoTianjin Ruiwang New Material Technology Co
E
Bad
86.12.88.39 Sep 202520 Feb 2026
Peptide SciencesPeptide Sciences
E
Bad
24.92.67.39 Oct 202520 Feb 2026
ZLZ PeptideZLZ Peptide
E
Bad
115.72.28.04 Aug 202520 Feb 2026
SRY LabsSRY Labs
E
Bad
115.21.98.727 Jun 20252 Feb 2026
Shanghai Sigma Audley SSAShanghai Sigma Audley SSA
E
Bad
216.01.59.99 Jun 202515 Jan 2026
Xian Yihang TechnologyXian Yihang Technology
E
Bad
65.71.48.013 Jun 202513 Feb 2026
Wuhan Wansheng BiotechnologyWuhan Wansheng Biotechnology
E
Bad
205.61.110.011 Aug 20254 Mar 2026
HK PeptidesHK Peptides
E
Bad
286.21.010.04 Aug 20251 Mar 2026
OupeptideOupeptide
E
Bad
105.50.88.010 Aug 20254 Mar 2026
LiliPeptideLiliPeptide
E
Bad
105.90.010.017 Nov 202520 Feb 2026
LN PeptidesLN Peptides
E
Bad
63.40.07.521 Oct 20252 Mar 2026
Qing Li PeptideQing Li Peptide
E
Bad
165.20.08.229 Jun 202520 Feb 2026
Shanghai OuDaXin New Material Technology CenterShanghai OuDaXin New Material Technology Center
E
Bad
85.80.09.911 Aug 202526 Feb 2026
TSC Top Supplements ChinaTSC Top Supplements China
E
Bad
74.20.07.827 Jun 20257 Mar 2026
Anlv BiotechnologyAnlv Biotechnology
X
Unrated
16.76.76.77 Mar 20267 Mar 2026
Dragon PharmaDragon Pharma
X
Unrated
15.85.85.824 Jul 202524 Jul 2025
Evolve BioPepEvolve BioPep
X
Unrated
15.55.55.527 Jun 202527 Jun 2025
Peptide ArkPeptide Ark
X
Unrated
14.24.24.23 Mar 20263 Mar 2026
LOOKBiotechLOOKBiotech
X
Unrated
13.83.83.87 Mar 20267 Mar 2026
Regenerative ResearchRegenerative Research
X
Unrated
13.03.03.029 Jun 202529 Jun 2025
Zhang TYZhang TY
X
Unrated
11.51.51.529 Jun 202529 Jun 2025

Most recent Tesamorelin tests

Samples are tested in commercial labs

Quantity
Test DateVendorCertificate
Test Score
Label
Batch
TestedDifferencePurityBatch IDContainerTested AtSent By
4 Mar 2026HXNetView7.310mg(no batch claim)9.7mg-3.0%99.60%(no batch ID)No Label / Silver Crimp / White CapLab GPublic
4 Mar 2026OupeptideView0.820mg(no batch claim)0.1mg-99.5%80.00%(no batch ID)No Label / Silver Crimp / Red CapLab GPublic
4 Mar 2026HXNetView4.25mg(no batch claim)3.6mg-28.0%99.60%(no batch ID)No Label / Silver Crimp / Orange CapLab GPublic
4 Mar 2026Wuhan Wansheng BiotechnologyView6.510mg(no batch claim)10.8mg+8.0%99.72%(no batch ID)No Label / Silver Crimp / Clear Blue CapLab EPublic
2 Mar 2026LN PeptidesView7.510mg(no batch claim)10.3mg+3.0%98.47%TES10012026LNNo Label / Silver Crimp / White CapLab EPublic
2 Mar 2026NexaphView8.210mg
11.9mg
11.7mg-1.5%99.11%TES1001172026-16No Label / Silver Crimp / Clear Blue CapLab EPublic
2 Mar 2026Reta-PeptideView10.05mg(no batch claim)5.13mg+2.6%99.90%Nov 8 2025No Label / Silver Crimp / White CapLab EPublic

Corrections

17 Nov 2025: Peptide Sciences
Test results for sample pst3r4y 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.