LONG R IGF I LR3 IGF 1 (Human), Recombinant Protein, CHO, Tag Free IGF1 LR3 1MG NewBioRx Follistatin 344 works by binding to and inhibiting myostatin the genetic limit switch that restricts how much muscle somebody can build. When you reduce myostatin, you create an environment where: Muscle Application and benefits of IGF 1 LR3_Chemicalbook IGF LR3 is a peptide that play a role in muscle growth, tissue repair and recovery. But like all peptide therapies, it's not one size fits all. We focus on using peptides thoughtfully and in the