IGF1 LR3 Palm Beach Gardens FL Physician's Rejuvenation Centers Frontiers Sheep recombinant IGF 1 promotes organ specific growth in fetal sheep IGF1 stimulates greater muscle hypertrophy in the absence of myostatin in male mice in: Journal of Endocrinology Volume 234 Issue 2 (2017) IGF 1 lr3 Dosage and Duration Guide. MuscleChemistry IGF1PI3K induced physiological cardiac hypertrophy: Implications for new heart failure therapies, biomarkers, and predicting cardiotoxicity ScienceDirect