This Peptide Is Next Level for Growth & Recovery Meet IGF LR3 the long acting insulin like growth factor that researchers can't stop talking about. From muscle growth to cellular repair , Strongest Peptides For Fat Loss, Muscle Gain, And Healing IGF 1 LR3 Cycle: What to Expect The Peptide Report Most lifters think muscle growth happens during the workout., It doesnt., Growth happens after when repair signals are turned on., Thats where PEG MGF shines., This peptide works at the cellular IGF1 LR3 Peptide Anderson Longevity Clinic Recombinant Human LR3 IGF I IGF 1 GMP Protein, CF 8335D GMP: R&D Systems