IGF 1 LR3 100mcg 1mg Peptide Bulk Supply PDF) Further Clinical Evidence for the Effect of IGF 1 on Hair Growth and Alopecia IGF 1 LR3 The Muscle Building Peptide Everyone's Talking About IGF 1 LR3 is one of the most powerful performance peptides used for muscle growth, recovery, and fat loss. It's a modified version Recombinant Human LR3 IGF 1(E51R) Protein Most people think all peptides = fat loss., Thats not even close., IGF 1 LR3 isnt about burning tissue its about building it., This is the signal that tells muscle fibers to:, Recover faster, The AR miR 221 IGF 1 pathway mediates the pathogenesis of androgenetic alopecia