IGF 1 LR3 The Muscle Building Peptide Everyone's Talking About IGF 1 LR3 is one of the most powerful performance peptides used for muscle growth, recovery, and fat loss. It's a modified version IGF 1 LR3: Nasal Spray vs. Subcutaneous Injection Comparison Treatment for Severe IGF 1 Deficiency INCRELEX IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease Follow for more info on how to optimize your body. IGF 1 LR3 is one of the most misunderstood compounds in the entire space. People either treat it like a magic shortcut or