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 vs GH Peptides The Battle Between Performance & Risk Late life targeting of the IGF 1 receptor improves healthspan and lifespan in female mice Nature Communications HGH vs IGF 1 LR3: Scientific Comparison & Research Guide IGF 1LR3 I am injecting IGF 1 LR3 to myself. I have experienced some side effects that I want to reduce to zero. If you have injected IGF 1 or have any other experience with intramuscular