IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease Activation of insulin like growth factor 1 receptor (IGF 1R) promotes growth of colorectal cancer through triggering the MEX3A mediated degradation of RIG I ScienceDirect IGF 1 LR3 Explained IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease 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 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