What benefits are associated with IGF-1 LR3?

IGF-1 LR3 is studied for: amplified IGF-1 receptor stimulation vs native IGF-1, extended biological half-life (~20–30 hours) via reduced IGFBP binding, in vitro and animal anabolic signaling — no human clinical data, research reagent classification — not characterized for human use. This reflects the research literature catalogued on PeptideBase — educational only, not medical advice.

Educational use only — not medical advice

Research library

IGF-1 LR3 benefits

From the PeptideBase research library. Educational only — not medical advice.

Studied effects

amplified IGF-1 receptor stimulation vs native IGF-1
extended biological half-life (~20–30 hours) via reduced IGFBP binding
in vitro and animal anabolic signaling — no human clinical data
research reagent classification — not characterized for human use

Mechanism

Long-acting analog of IGF-1 that binds to IGF-1 receptors, promoting muscle protein synthesis, cellular growth, and recovery. Suppresses myostatin activity and has a significantly extended half-life compared to native IGF-1 due to reduced binding protein affinity.