
IGF.
U.S. residents only · Research-use only
Research-grade precision.
IGF-1 LR3 (Long R3 Insulin-like Growth Factor 1) is an 83-amino-acid analog of human IGF-1, with structural modifications studied for extended plasma half-life and reduced IGFBP binding.
Published research has extensively investigated IGF-1 signaling through the IGF-1R receptor and its role in cellular growth, proliferation, and anabolic pathways.
Supplied as research-grade lyophilized powder. Each vial includes Certificate of Analysis. Research use only. Not for human consumption.
For in-vitro research only. Not for human consumption.
The spec sheet.
Pristine, paired.
Lyophilized
Compressed peptide cake at the bottom of the vial. Stable for transit and shelf storage.
Sealed
White flip-top + silver aluminum crimp ring. Tamper-evident, sterile to the rubber stopper.
Audited
Third-party HPLC tested for identity and purity. COA emails alongside your shipping confirmation.
Discreet
Plain padded mailer, USPS Priority. Standard 2–3 day shipping in the continental US.



