IGF-1 LR3 — The Extended-Action Anabolic Peptide in Muscle Research
IGF-1 LR3 is a synthetic, long-acting analogue of Insulin-like Growth Factor-1. Engineered to resist binding to IGF-binding proteins, it remains biologically active up to 20-30x longer than native IGF-1 — making it one of the most potent anabolic research peptides available.
How It Works
- IGF-1 receptor agonist: Activates downstream anabolic signaling with high affinity
- mTOR pathway: Stimulates protein synthesis and inhibits muscle protein breakdown
- Extended half-life: Reduced IGFBP binding results in prolonged biological activity
- Satellite cell activation: Promotes muscle stem cell proliferation and differentiation
Research Areas
- Skeletal muscle hypertrophy and repair
- Anabolic signaling and protein synthesis
- Bone density and cartilage regeneration
- Neuroprotection and CNS repair
Why It Stands Out
Its engineered extended half-life gives researchers a powerful tool to study sustained anabolic signaling without frequent dosing — ideal for long-duration preclinical studies on muscle growth and repair mechanisms.
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