Switched things up and have been using my IGF 1 LR3 30 mins pre workout and have been noticing longer lasting pumps and more vascularity so far! 2 more weeks until I cycle IGF 1: The Secret to Supercharging Your Energy, Sleep, and Lean Muscle Mass Lifeforce mylifeforce.com Molecular Biology of ACL Graft Healing: Early Mechanical Loading Perspective. Published in Orthopedic Reviews 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 Frontiers Sheep recombinant IGF 1 promotes organ specific growth in fetal sheep IGF 1 vs. HGH Which is Better for Growth and Fat Loss? HRT