COA results by compound

IGF-1 COA — Verified Certificate of Analysis Results

9 independent third-party certificates of analysis for IGF-1, from 1 labs across 9 vendors (2024-03-29 to 2026-03-06).

Every IGF-1 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 9 published IGF-1 certs in our corpus.

Assay metrics

IGF-1 lab-testing metrics

99.4%
Median tested purity
0
Zero-purity certs
Mean purity99.2% Mean dose vs label+3.5% Within 10% of label dose83% Overdosed ≥ +7%50% Underdosed ≤ −7%17%

COAs per testing lab

Every lab testing IGF-1 in the corpus.

Janoshik 9 99.4% med

Tested-purity distribution

Bins below 90% tested purity.

IGF-1 tested-purity distribution
Purity rangeCertificates
0–50%0
50–70%0
70–80%0
80–85%0
85–90%0
90–91%0
91–92%0
92–93%0
93–94%0
94–95%0
95–96%0
96–97%0
97–98%0
98–99%2
99–100%7

COAs over time

IGF-1 certificates published per month.

IGF-1 certificates per month
MonthCertificates
2024-031
2024-101
2024-111
2025-051
2025-082
2025-091
2026-032

Most-tested vendors

Vendors by IGF-1 certificate count.

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

Verified Vendor A 🔒 1
Verified Vendor B 🔒 1
Verified Vendor C 🔒 1
Verified Vendor D 🔒 1
Verified Vendor E 🔒 1
Verified Vendor F 🔒 1
Verified Vendor G 🔒 1
Verified Vendor H 🔒 1
Verified Vendor I 🔒 1

Verified IGF-1 certificates of analysis

VendorPurityDose vs labelLabTested
Chameleon Peptides LLC 98.134% +8.0% Janoshik 2026-03-06 View COA →
Panda Peptides LLC 98.134% +8.0% Janoshik 2026-03-06 View COA →
Growth Guys Canada 99.456% — Janoshik 2025-09-11 View COA →
Cocer Peptides 99.563% +1.0% Janoshik 2025-08-29 View COA →
Chilton Labs 99.139% — Janoshik 2025-08-01 View COA →
www.qinglishangmao.com 99.282% +13.0% Janoshik 2025-05-15 View COA →
Peptide Gurus 99.547% -10.0% Janoshik 2024-11-22 View COA →
Eros Peptides 99.442% +1.0% Janoshik 2024-10-18 View COA →
thelobster 99.731% — Janoshik 2024-03-29 View COA →
IGF-1 research & evidence → Verify a IGF-1 COA → Browse vendors →

More COA results by compound

Retatrutide COA (9803) Tirzepatide COA (7362) GHK-Cu COA (2458) BPC-157 COA (2397) Tesamorelin COA (2238) MOTS-c COA (1982) NAD+ COA (1477) TB-500 COA (1253) BPC-157 + TB-500 COA (1141) Ipamorelin COA (1132) BPC-157 + Ghk-cu + Kpv + TB-500 COA (947) CJC-1295 + Ipamorelin COA (898)