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: Miracle Hormone or Health Hazard? Diet vs Disease IGF 1 LR3: Nasal Spray vs. Subcutaneous Injection Comparison IGF 1 LR3 1000 mcg, 1 vial Apoxar Labs Purchase 10 mL Vial of IGF 1LR3 [Insulin like Growth Factor 1 LR3] by Ultima Pharmaceuticals