Implications of Insulin Like Growth Factor 1 in Skeletal Muscle and Various Diseases 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 Local delivery of insulin IGF 1 for bone regeneration: carriers, strategies, and effects Local delivery of insulin IGF 1 for bone regeneration: carriers, strategies, and effects Insulin like growth factor 1 in articular cartilage repair for osteoarthritis treatment Arthritis Research & Therapy Springer Nature Link