Receptor Grade IGF-1 LR3 (1mg)

Description

IGF1 LR3 Peptide – Benefits, Mechanism, and Research

IGF1 LR3 is a synthetic peptide and a long-acting analog of the naturally occurring IGF-1 (Insulin-like Growth Factor 1). It has been studied for its potential in enhancing tissue repair, promoting muscle growth, and supporting cellular regeneration. This peptide, sometimes called IGF-1 LR3 peptide or Long R3 IGF-1, is a modified version of IGF-1 designed to resist degradation, increasing its half-life and effectiveness in stimulating tissue and muscle recovery.

What is IGF1 LR3?

IGF1 LR3 is a modified 83-amino-acid peptide that mimics the biological actions of natural IGF-1. The “LR3” modification allows the peptide to avoid binding to IGF-binding proteins (IGFBPs), enhancing its bioavailability and potency. Researchers suggest that IGF1 LR3 may stimulate muscle cell growth, support fat metabolism, and aid in tissue regeneration more effectively than regular IGF-1.

Mechanism of Action of IGF1 LR3

IGF1 LR3 interacts with IGF-1 receptors found on muscle, cartilage, and bone cells. This interaction activates multiple pathways, including:

• PI3K/AKT signaling – promoting muscle protein synthesis and growth

• MAPK pathway – supporting cellular differentiation and tissue repair

• Enhanced lipolysis and energy utilization – potentially supporting fat loss

By resisting degradation, IGF1 LR3 provides longer-lasting stimulation of growth factor pathways, making it popular in regenerative medicine and muscle recovery research.

Research and Clinical Insights

Studies have shown that IGF1 LR3 can:

• Promote muscle cell growth – In vitro studies suggest this increases proliferation of myoblasts and skeletal muscle cells.

• Support tissue regeneration – Research indicates that this product can aid repair of cartilage and connective tissue.

• Enhance protein synthesis – This type may stimulate anabolic pathways, contributing to muscle mass retention and growth.

• Influence fat metabolism – Preliminary studies show potential for improved fat utilization while preserving lean tissue.

Additionally, this product is sometimes studied alongside peptides like TB-500 for synergistic effects in tissue healing and recovery.

Chemical Profile and Formulation

• Molecular Formula: C845H1419N245O241S9

• Molecular Weight: ~9.7 kDa

• Other Names: Long R3 IGF-1, IGF-1 LR3 peptide

This type is typically supplied as a lyophilized powder, which should be reconstituted carefully for research or clinical use.

Potential Applications of this product

It may have several promising applications:

• Muscle Recovery & Growth – supporting recovery after injury or intense exercise

• Tissue Repair – aiding healing in tendons, ligaments, and cartilage

• Regenerative Medicine – investigated for potential in wound healing and cellular repair

• Fat Metabolism Support – possibly enhancing lipolysis and energy utilization

Conclusion

It is a potent and long-acting IGF-1 analog with potential in muscle growth, tissue regeneration, and fat metabolism. Its ability to resist degradation and stimulate IGF-1 pathways makes it a key peptide in research studies focusing on recovery, anabolic activity, and regenerative medicine. You may also be interested in our related research peptides, including bpc 157, bpc 157 peptide, Tesamorelin, ghk cu peptide, tesamorelin peptide, cjc 1295 ipamorelin, mots-c, semax, and PT-141. For research use only.