Organ weights in response to Long R3 insulin like growth factor 1 (LR3 Download Scientific Diagram GH IGF 1 Abnormalities and Muscle Impairment: From Basic Research to Clinical Practice Huma Peptide IGF 1 LR3 Lean Muscle Growth & Recovery IGF 1 LR3 Superior Peptide Endothelial IGF 1R deficiency disrupts microvascular homeostasis, impairing skeletal muscle perfusion and endurance: implications for age related sarcopenia GeroScience Springer Nature Link