In Vitro and In Vivo Effects of IGF 1 Delivery Strategies on Tendon Healing: A Review Most people train harder. Smarter people optimize recovery. IGF 1 LR3 is a long acting growth factor analog that supports muscle recovery, lean mass preservation, cellular repair, and metabolic signaling when used under medical 40 YEARS OF IGF1: Insulin like growth factors: actions on the skeleton in: Journal of Molecular Endocrinology Volume 61 Issue 1 (2018) Frontiers Sheep recombinant IGF 1 promotes organ specific growth in fetal sheep 274 Performance enhancing drugs and hormones: risks, rewards, and broader implications for the public Derek: More Plates, More Dates The Peter Attia Drive Podcast on Spotify