IGF 1 LR3 Peptide Therapy Muscle Growth & Recovery Esthetic Solutions Cartilage Targeted IGF 1 Treatment to Promote Longitudinal Bone Growth ScienceDirect Localized Igf 1 transgene expression sustains hypertrophy and regeneration in senescent skeletal muscle Nature Genetics Order Muscle Growth & Performance Peptides For Research Maylips This Peptide Is Next Level for Growth & Recovery Meet IGF LR3 the long acting insulin like growth factor that researchers can't stop talking about. From muscle growth to cellular repair , IGF 1 infusion to fetal sheep increases organ growth but not by stimulating nutrient transfer to the fetus American Journal of Physiology Endocrinology and Metabolism American Physiological Society