CJC 1295 + Ipamorelin vs IGF 1 LR3 for Muscle Growth IGF 1 LR3 forces receptor desensitization in 4 6 weeks, requiring months off before you can use it again. CJC 1295 and Ipamorelin amplify your natural CJC 1295 + Ipamorelin vs IGF 1 LR3 for Muscle Growth IGF 1 LR3 forces receptor desensitization in 4 6 weeks, requiring months off before you can use it again. CJC 1295 and Ipamorelin amplify your natural Organ weights in response to Long R3 insulin like growth factor 1 (LR3 Download Scientific Diagram Growth Hormone Pathway Outlines Hypothalamus Pituitary Liver IGF 1 Signaling Stock Vector Illustration of regulation, anterior: 408107044 Pediatric Implications of Normal Insulin GH IGF Axis Physiology Endotext NCBI Bookshelf