IGF-1 LR3 × Growth Guys — Lab Test, January 2025
Janoshik Labs publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.
This certificate carries no lookup code.
Test results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Label 1 mg · Lab measured 1.03 mg
103% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 258 mcg using the measured mass, against 250 mcg on the label — 3% more.
One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.
Independent HPLC purity analysis of IGF-1 LR3 from growthguys.is, performed by Janoshik Labs on January 22, 2025. Reported purity: 99.283%. Net content: 1.03 mg against 1 mg labeled (103% of label). Batch IGF1. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of IGF-1 LR3 from growthguys.is
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| IGF04 | 5 Feb 2026 | Janoshik Labs | 98.498% | 100% | Unverified |
| IGF03 | 27 Nov 2025 | Janoshik Labs | 98.509% | 118% | Unverified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion