IGF-1 LR3 (Long-Arg3 IGF-1) is an 83-amino-acid analog of human IGF-1 with an extended N-terminus and Arg substitution at position 3. These modifications reduce binding to IGFBPs, prolonging activity in research models. Lyophilized 1 MG per vial.

Purity & Testing

All Vercel Research compounds are third-party tested by an independent ISO-accredited laboratory. Each batch ships with a downloadable Certificate of Analysis (COA) confirming 99%+ purity by HPLC and identity verification by mass spectrometry.

Storage

Store lyophilized peptide refrigerated at 2–8°C (35–46°F) in a sealed container away from direct light. After reconstitution with bacteriostatic water, refrigerate and use within 30 days. Avoid freeze-thaw cycles.

Shipping

All orders placed before 1pm EST ship the same business day via priority mail with cold-pack thermal packaging. Free same-day U.S. shipping on orders $250+. Tracking provided on every shipment.

Disclaimer

FOR RESEARCH USE ONLY. Not for human consumption, diagnostic use, therapeutic use, or any in vivo application. Sold for licensed laboratory research only. The information provided about this compound is for educational purposes only and does not constitute medical advice or product claims.