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Tesamorelin

We've tested 250 samples of Tesamorelin sourced from 31 vendors between 7 May 2025 and 4 Mar 2026. Purity varies from 12.70% to 100.00%, and quantity can diverge by up to +/-101% vs advertised value.

Finnrick Top 3™ - 27 Feb 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
Skye PeptidesSkye Peptides
B
Good
46.35.67.114 May 20259 Jan 2026
Peptide PartnersPeptide Partners
B
Good
107.95.310.030 Jan 202618 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
86.73.58.024 Jul 202518 Feb 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
206.93.29.729 Jun 202518 Feb 2026
Reta-PeptideReta-Peptide
D
Poor
96.43.010.09 Sep 202525 Nov 2025
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
76.12.88.39 Sep 20254 Feb 2026
ZLZ PeptideZLZ Peptide
E
Bad
115.72.28.04 Aug 202520 Feb 2026
OupeptideOupeptide
E
Bad
86.12.08.010 Aug 202518 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
185.51.110.011 Aug 202520 Feb 2026
HK PeptidesHK Peptides
E
Bad
266.11.010.04 Aug 202520 Feb 2026
LiliPeptideLiliPeptide
E
Bad
95.80.010.017 Nov 202520 Feb 2026
LN PeptidesLN Peptides
E
Bad
31.40.03.021 Oct 20256 Dec 2025
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
75.40.09.911 Aug 202519 Jan 2026
TSC Top Supplements ChinaTSC Top Supplements China
E
Bad
64.10.07.827 Jun 20259 Oct 2025
Peptide SciencesPeptide Sciences
X
Unrated
17.37.37.39 Oct 20259 Oct 2025
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
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
LabelTestedDifferencePurityBatch IDContainerTested AtSent By
20 Feb 2026HK PeptidesView7.15mg4.93mg-1.4%99.55%(no batch ID)No Label / Silver Crimp / White CapLab EPublic
20 Feb 2026Qing Li PeptideView6.05mg9.83mg+96.6%99.90%26/8/25-SS70White Label / Silver Crimp / White CapLab EPublic
20 Feb 2026LiliPeptideView8.010mg10.4mg+4.0%99.90%(no batch ID)White Label / Silver Crimp / Black CapLab EPublic
20 Feb 2026ZLZ PeptideView7.410mg9.32mg-6.8%99.90%(no batch ID)No Label / Silver Crimp / White CapLab EPublic
20 Feb 2026Xingtai Jiachuang TechnologyView7.810mg10.6mg+6.0%99.06%7Apr25White Label / Silver Crimp / White CapLab EPublic
20 Feb 2026Wuhan Wansheng BiotechnologyView5.010mg10.3mg+3.0%94.90%(no batch ID)No Label / Silver Crimp / Black CapLab EPublic
18 Feb 2026HXNetView6.85mg5mg99.38%(no batch ID)No Label / Silver Crimp / Orange 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.