IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease Mechanisms of IGF 1 Mediated Regulation of Skeletal Muscle Hypertrophy and Atrophy IGF LR3 is a peptide that play a role in muscle growth, tissue repair and recovery. But like all peptide therapies, it's not one size fits all. We focus on using peptides thoughtfully and in the IGF1 LR3 1mg OP Labs (Formerly Oxford Peptides) the biostation IGF 1 LR3 + CJC 1295 & Ipamorelin is a super peptide blend that has everything you've been looking for. When combined, it optimizes and stabilizes HGH production which results in