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 IGF 1 LR3 (1 MG) Sigma Compounds IGF 1 LR3 Injection Benefits And How It Works The HCG Institute IGF 1 LR3 Dosage Guide: Benefits, Timing, and Results i313 Insulin Like Growth Factor 1 (IGF 1) and Its Monitoring in Medical Diagnostic and in Sports