COA results by compound

IGF-1 LR3 COA — Verified Certificate of Analysis Results

62 independent third-party certificates of analysis for IGF-1 LR3, from 4 labs across 51 vendors (2021-03-01 to 2026-06-15).

Every IGF-1 LR3 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 62 published IGF-1 LR3 certs in our corpus.

Assay metrics

IGF-1 LR3 lab-testing metrics

99.2%
Median tested purity
0
Zero-purity certs
Mean purity97.2% Mean dose vs label+16.3% Within 10% of label dose31% Overdosed ≥ +7%57% Underdosed ≤ −7%18%

COAs per testing lab

Every lab testing IGF-1 LR3 in the corpus.

Janoshik 51 99.4% med
Freedom Diagnostics 10 98.9% med
Unattributed / lab unknown 1 99.5% med

Tested-purity distribution

Bins below 90% tested purity.

IGF-1 LR3 tested-purity distribution
Purity rangeCertificates
0–50%0
50–70%1
70–80%1
80–85%2
85–90%0
90–91%0
91–92%0
92–93%0
93–94%1
94–95%2
95–96%0
96–97%4
97–98%6
98–99%4
99–100%41

COAs over time

IGF-1 LR3 certificates published per month.

IGF-1 LR3 certificates per month
MonthCertificates
2021-031
2023-041
2023-061
2024-031
2024-071
2024-081
2024-091
2024-102
2024-121
2025-011
2025-024
2025-033
2025-041
2025-051
2025-061
2025-073
2025-087
2025-098
2025-104
2025-1113
2025-122
2026-022
2026-041
2026-061

Most-tested vendors

Top 10 of 15 vendors by IGF-1 LR3 certificate count.

See who tests most — unlock the vendor names with Pro.

Verified Vendor A 🔒 4
Verified Vendor B 🔒 3
Verified Vendor C 🔒 3
Verified Vendor D 🔒 2
Verified Vendor E 🔒 2
Verified Vendor F 🔒 2
Verified Vendor G 🔒 1
Verified Vendor H 🔒 1
Verified Vendor I 🔒 1
Verified Vendor J 🔒 1

+ 5 more vendors with fewer certificates.

Verified IGF-1 LR3 certificates of analysis

VendorPurityDose vs labelLabTested
PeptidePlugs.com 99.14% +26.0% Freedom Diagnostics 2026-06-15 View COA →
MKM Peptides 96.236% +19.0% Janoshik 2026-04-09 View COA →
White Claw Labs 96.736% +15.0% Janoshik 2026-02-20 View COA →
contact@australiapeptidesciences.com 94.377% +46.0% Janoshik 2026-02-16 View COA →
Modern Research LLC 96.364% +22.0% Janoshik 2025-12-29 View COA →
Prizm Peptides 99.695% — Janoshik 2025-12-15 View COA →
Peptide Dynamics 94.427% — Janoshik 2025-11-26 View COA →
Qingdao Sigma Chemical 99.539% +19.0% QSC 2025-11-25 View COA →
Qingdao Sigma Chemical 99.539% — Janoshik 2025-11-25 View COA →
Qingdao Sigma Chemical 99.539% — Janoshik 2025-11-25 View COA →
Qingdao Sigma Chemical 99.539% +19.0% Janoshik 2025-11-25 View COA →
Forge BioLab 97.617% +16.0% Janoshik 2025-11-21 View COA →
zlzpeptide.com 96.27% +19.0% Janoshik 2025-11-20 View COA →
Peptide Powerhouse 80.776% -6.0% Janoshik 2025-11-14 View COA →
Transforma Peptides 80.776% -6.0% Janoshik 2025-11-14 View COA →
goghgear@proton.me 99.57% — Janoshik 2025-11-04 View COA →
Kensingtonlabs.co.uk 99.083% +29.0% Janoshik 2025-11-04 View COA →
thelobster 99.57% — Janoshik 2025-11-03 View COA →
Pepgenix Peptides 93.558% +20.0% Freedom Diagnostics 2025-11-02 View COA →
303peptides.com 99.653% — Janoshik 2025-10-31 View COA →
Step One Ventures 99.676% -4.0% Janoshik 2025-10-29 View COA →
Eternal Peptides 99.786% +15.0% Janoshik 2025-10-16 View COA →
cs@ruo.bio 99.201% +0.0% Janoshik 2025-10-15 View COA →
New Wave Peptides Ltd 99.246% +27.0% Janoshik 2025-09-20 View COA →
molipeptide.com 97.036% -12.0% Janoshik 2025-09-19 View COA →
aisenpeptide.com 97.036% -12.0% Janoshik 2025-09-19 View COA →
suppeptide.com 97.036% -12.0% Janoshik 2025-09-19 View COA →
Synthesis Peptides LLC 97.22% +3.0% Freedom Diagnostics 2025-09-12 View COA →
Peptira LLC 98.878% +26.0% Freedom Diagnostics 2025-09-12 View COA →
Happy Peps 98.59% +146.0% Freedom Diagnostics 2025-09-09 View COA →
NuraPeptide 99.14% +49.0% Freedom Diagnostics 2025-09-05 View COA →
Apex Peptides 98.88% +23.0% Freedom Diagnostics 2025-08-29 View COA →
Cutting Edge 99.18% +110.0% Freedom Diagnostics 2025-08-28 View COA →
Supernova Sciences 99.06% +55.0% Freedom Diagnostics 2025-08-21 View COA →
Optitropin EU 99.86% +4.0% Janoshik 2025-08-21 View COA →
Verified Peptides 99.793% +8.0% Janoshik 2025-08-20 View COA →
Peptira 99.648% — Janoshik 2025-08-13 View COA →
Ilab 99.547% — Janoshik 2025-08-01 View COA →
thelobster 99.212% — Janoshik 2025-07-31 View COA →
Edge Peptides 99.145% +6.0% Janoshik 2025-07-25 View COA →
Injectify 99.522% -16.0% Janoshik 2025-07-08 View COA →
Xcel Peptides 99.402% +15.0% Janoshik 2025-06-26 View COA →
www.ywaozuo.com 99.282% +13.0% Janoshik 2025-05-15 View COA →
thelobster 99.799% — Janoshik 2025-04-22 View COA →
GYC 99.515% +28.0% Janoshik 2025-03-25 View COA →
Modern Research LLC 98.509% +32.0% Janoshik 2025-03-19 View COA →
P4R Wholesale, LLC 97.93% — Freedom Diagnostics 2025-03-06 View COA →
Wuhan Wansheng Bio 99.806% +38.0% Janoshik 2025-02-25 View COA →
Sigma Audley 99.464% -10.0% Janoshik 2025-02-18 View COA →
Sigma Audley 99.864% +1.0% Janoshik 2025-02-18 View COA →
Verified Peptides 99.707% — Janoshik 2025-02-11 View COA →
XL Peptides 99.386% +2.0% Janoshik 2025-01-29 View COA →
Biogenix pharma 99.308% -10.0% Janoshik 2024-12-31 View COA →
HEMI PHARMA 99.761% +23.0% Janoshik 2024-10-25 View COA →
Peptide Crafters 99.177% — Janoshik 2024-10-09 View COA →
Verified Peptides 99.157% — Janoshik 2024-09-06 View COA →
La Casa Del Peptides 99.458% — Janoshik 2024-08-03 View COA →
GENLABS 77.481% -31.0% Janoshik 2024-07-26 View COA →
Modern Aminos 99.582% -3.0% Janoshik 2024-03-14 View COA →
Optitropin EU 99.646% -11.0% Janoshik 2023-06-28 View COA →

Showing the 60 most recent of 62 IGF-1 LR3 certificates.

IGF-1 LR3 research & evidence → Verify a IGF-1 LR3 COA → Browse vendors →

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