IGF 1 LR3 1MG Beverly Hills Rejuvenation Center The Fascinating Interplay between Growth Hormone, Insulin Like Growth Factor 1, and Insulin 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 ORF Genetics ISOkine IGF 1 LR3 Growth Factor