IGF 1 LR3 Peptide (0.1mg, 1mg) Research Use Only Priority Aminos ORF Genetics ISOkine IGF 1 LR3 Growth Factor IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease 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 active protein P05019.1 MyBioSource Recombinant human IGF 1 LR3 protein (Qk041) Qkine