IGF 1 LR3 Cycle: What to Expect The Peptide Report Frontiers Titrating Growth Hormone Dose to High Normal IGF 1 Levels Has Beneficial Effects on Body Fat Distribution and Microcirculatory Function Despite Causing Insulin Resistance 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 LR3 IGF 1 (Human), Recombinant Protein, CHO, Tag Free