IGF-1 LR3 benefits on mass muscle is better than well known HGH.We all know HGH is a good peptides for gain muscle,as it could improve the IGF-1 level in our body,which could help with your muscle mass and bone health. Experienced bodybuilders will know that there is one kind of peptide that is more effective than IGF-1, namely IGF-1 LR3. …