How to take Long R3 IGF 1 to get optimal muscle gains the science, the receptors, the strategy that got me to go from 289lb to 309 (20lbs) in 20 days! If you Maximizing Muscle Recovery and Growth: The 10 Day Alternating MGF & IG Revolution Health & Wellness IGF 1 LR3 Superior Peptide Theres a lot of confusion around peptides and muscle., Heres how I actually think about it., Most peptides dont build muscle directly., They improve the systems that allow muscle to grow., First, IGF1 LR3 is my favorite short term used peptide for repair, fat loss and muscle gain. It commonly helps patients gain muscle quickly while losing fat. It is my favorite peptide for repair especially