IGF-1 LR3 1mg – Long-Acting Insulin-Like Growth Factor-1 for Advanced Research
Buy IGF-1 LR3 1mg for Research Applications
IGF-1 LR3 1mg is a high-purity synthetic analog of Insulin-Like Growth Factor-1 (IGF-1), engineered with an extended half-life and enhanced biological activity. This modified peptide is widely used in laboratory and scientific research involving cell proliferation, muscle tissue development, and metabolic signaling pathways.
With a substitution at the third amino acid and a 13-amino-acid extension, IGF-1 LR3 demonstrates significantly reduced binding to IGF-binding proteins, allowing for prolonged activity and improved receptor interaction compared to standard IGF-1.
What Is IGF-1 LR3?
IGF-1 LR3 (Long Arg3 IGF-1) is a recombinant peptide consisting of 83 amino acids. It is structurally modified to extend its half-life to approximately 20–30 hours, compared to the much shorter half-life of native IGF-1.
These enhancements make IGF-1 LR3 a valuable tool in studies focused on:
- Muscle hypertrophy and tissue regeneration
- Cellular growth and repair
- Glucose metabolism and nutrient partitioning
- Recovery and performance research
- Anti-aging and longevity investigations
IGF-1 LR3 1mg Product Specifications
| Specification | Details |
|---|---|
| Product Name | IGF-1 LR3 |
| Peptide Amount | 1mg per vial |
| Purity | ≥99% (HPLC tested) |
| Molecular Formula | C<sub>400</sub>H<sub>625</sub>N<sub>111</sub>O<sub>115</sub>S<sub>9</sub> |
| Molecular Weight | ~9,200 Da |
| Form | Lyophilized powder |
| Storage | Store at -20°C |
| Intended Use | Research use only |
Benefits of IGF-1 LR3 in Research
Researchers value IGF-1 LR3 for its potent anabolic and regenerative properties. Commonly cited benefits in experimental models include:
Enhanced Muscle Cell Growth
IGF-1 LR3 promotes protein synthesis and stimulates satellite cell activation, making it useful in muscle development and recovery studies.
Increased Nutrient Uptake
The peptide supports glucose and amino acid transport into cells, improving nutrient utilization.
Extended Activity
Its long half-life allows sustained receptor activation and reduced dosing frequency in research protocols.
Tissue Repair and Regeneration
IGF-1 LR3 has been investigated for its role in wound healing and cellular regeneration.
Reduced Binding to IGF-Binding Proteins
Structural modifications increase its bioavailability and overall potency.
How IGF-1 LR3 Works
IGF-1 LR3 binds to the IGF-1 receptor (IGF-1R), triggering intracellular signaling cascades such as the PI3K/Akt and MAPK pathways. These pathways are involved in:
- Cell growth and proliferation
- DNA synthesis
- Muscle differentiation
- Inhibition of apoptosis
- Enhanced recovery mechanisms
Recommended Storage Instructions
To maintain stability and peptide integrity:
- Store lyophilized IGF-1 LR3 at -20°C.
- Protect from heat, light, and moisture.
- After reconstitution, refrigerate at 2–8°C and use within the recommended period.
- Avoid repeated freeze-thaw cycles.
Why Choose Our IGF-1 LR3 1mg?
Our IGF-1 LR3 1mg is manufactured under strict quality control standards and independently tested for purity and identity.
- ≥99% purity verified by HPLC
- Third-party analytical testing
- Sterile lyophilized format
- Secure packaging and fast shipping
- Dedicated customer support
IGF-1 LR3 1mg for Sale Online
When looking to buy IGF-1 LR3 1mg online, purity, consistency, and reliable sourcing are critical. Our product is trusted by researchers seeking premium-grade peptides for scientific studies.
Order IGF-1 LR3 1mg today and experience uncompromising quality for your research needs.
Frequently Asked Questions
What is the difference between IGF-1 and IGF-1 LR3?
IGF-1 LR3 is a modified version of IGF-1 with a longer half-life and reduced affinity for IGF-binding proteins, resulting in greater potency and prolonged activity.
How should IGF-1 LR3 be stored?
Store the lyophilized peptide at -20°C. Once reconstituted, keep refrigerated and avoid repeated freeze-thaw cycles.
Is IGF-1 LR3 intended for human use?
No. IGF-1 LR3 1mg is intended strictly for laboratory and research purposes only.
Research Use Disclaimer
IGF-1 LR3 1mg is sold for research and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease, and it is not approved for human or veterinary use.




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