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 Gut microbiota induce IGF 1 and promote bone formation and growth PNAS Insulin like growth factor 1 in articular cartilage repair for osteoarthritis treatment Arthritis Research & Therapy Springer Nature Link Longitudinal evaluation of the association between Insulin like growth factor 1, Bone specific alkaline phosphatase and changes in mandibular length Scientific Reports IGF 1 LR3: Insulin Growth Factor 10 Vials x 2ml InsulinLike Growth Factor I Prevents Cellular Aging via Activation of Mitophagy Hou 2020 Journal of Aging Research Wiley Online Library