IGF-1 LR3: An engineered, long-lasting growth-promoting "super messenger"
I. What is IGF1-LR3?
IGF1-LR3 is a synthetically produced long-acting insulin-like growth factor-1 analogue. It is modified by extending the N-terminus of natural IGF-1 by 13 amino acids and replacing the third amino acid. It is specifically developed to improve bioavailability and prolong the duration of action, and has become a mainstream peptide raw material in scientific research and biological development.
II. Product Parameters
Amino Acid Count: 83
Molecular Weight: Approximately 9.1 kDa
Appearance: White lyophilized powder
Purity: ≥98%
Half-Life: 20–30 hours
Storage Conditions: Store sealed and frozen at -20℃
Bioactivity: 200 times that of regular insulin, 3 times the activity of natural IGF-1
III. Core Functions
Promotes cell proliferation, differentiation, and protein synthesis, accelerating muscle tissue repair and regeneration; activates cell signaling pathways, aiding in metabolic regulation, fat reduction, and body shaping; supports stem cell culture, bone and joint repair, and nerve tissue maintenance.
IV. Core Advantages
Structural modification reduces adsorption by binding proteins, resulting in extremely high bioavailability.
Long-lasting sustained release ensures stable and prolonged action, eliminating the need for frequent replenishment.
High purity and high activity, with few impurities and strong experimental reproducibility.
Suitable for various research cultivation scenarios, offering broad applicability and high cost-effectiveness.
V. Applicable Scenarios
Cell culture, stem cell and organoid research in biological laboratories; musculoskeletal regenerative medicine experiments, fracture and joint repair model development; fitness, muscle gain and fat loss scientific research testing, biopharmaceutical raw material development, and other fields.
VI. Precautions
For scientific research purposes only, not for human medicinal or edible use; store in a sealed, light-proof, and low-temperature environment, avoiding repeated freeze-thaw cycles; strictly control the experimental dosage and follow the standard mixing ratio; keep away from children and do not mix or use without authorization.
VII. Success Stories
Biopharmaceutical Applications: Using this product in cell culture increases protein yield by 200%-400% and reduces culture medium costs by over 60%.
Animal Experimental Studies: In bone mineral density experiments, bone mineral density increased by 8% after 6 consecutive weeks of intervention, and fracture healing was significantly accelerated.
Sports Research Testing: After a 4-week intervention cycle, subjects showed a significant increase in lean muscle mass and a substantial reduction in post-exercise recovery time.
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