IGF‑LR, 1mg

IGF‑1 LR3 is a modified insulin‑like growth factor‑1 with reduced binding to IGF‑binding proteins, extending its activity window in experimental settings. Researchers study LR3 for effects on satellite‑cell activation, myotube growth, and nutrient partitioning through the PI3K/Akt/mTOR axis. It is frequently included in protocols examining recovery from training stress and maintenance of lean mass in animal or in‑vitro models. For laboratory research use only; not for human consumption.