A Medical Review of IGF 1 LR3 Dosage, Side Effects and Safety Aspects Frontiers Sheep recombinant IGF 1 promotes organ specific growth in fetal sheep IGF 1 inhibits inflammation and accelerates angiogenesis via Ras PI3K IKK NF B signaling pathways to promote wound healing ScienceDirect Regulation of muscle mass by growth hormone and IGFI Velloso 2008 British Journal of Pharmacology Wiley Online Library Follow for more info on how to optimize your body. IGF 1 LR3 is one of the most misunderstood compounds in the entire space. People either treat it like a magic shortcut or Human Recombinant IGF I LR3, ACF STEMCELL Technologies