IGF 1 LR3 1mg Peptide: Growth Factor Research 40 YEARS OF IGF1: Insulin like growth factors: actions on the skeleton in: Journal of Molecular Endocrinology Volume 61 Issue 1 (2018) IGF 1 LR3 vs HGH: Which Growth Enhancer Is Better? Swolverine Muscle Growth Truro Peptides (PC) Effect of GH and IGF 1 administration on bone fractures healing. Download Table IGF LR3 is a peptide that play a role in muscle growth, tissue repair and recovery. But like all peptide therapies, it's not one size fits all. We focus on using peptides thoughtfully and in the