Attenuated glucose stimulated insulin secretion during an acute IGF 1 LR3 infusion into fetal sheep does not persist in isolated islets Journal of Developmental Origins of Health and Disease Cambridge Core LONG R IGF I Dr. Dwayne Jackson breaks down the real science behind IGF 1 LR3, how it compares to GH releasing peptides like CJC 1295 and GHRP 6, and where the line is between performance enhancement and real medical Recombinant Human LR3 IGF I IGF 1 GMP Protein, CF 8335D GMP: R&D Systems IGF 1 LR3 does not promote growth in late gestation growth restricted fetal sheep American Journal of Physiology Endocrinology and Metabolism American Physiological Society IGF 1 The Definitive Guide