IGF1 LR3 is my favorite short term used peptide for repair, fat loss and muscle gain. It commonly helps patients gain muscle quickly while losing fat. It is my favorite peptide for repair especially IGF 1 LR3 Dosage Guide: Benefits, Timing, and Results i313 Explanation, Benefits, and Dosing for IGF LR3 Wittmer Rejuvenation Clinic Recombinant expression of IGF 1 and LR3 IGF 1 fused with xylanase in Pichia pastoris Applied Microbiology and Biotechnology Springer Nature Link