Recombinant human IGF 1 LR3 protein (Qk041) Qkine 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 40 YEARS OF IGF1: Insulin like growth factors: actions on the skeleton in: Journal of Molecular Endocrinology Volume 61 Issue 1 (2018) Unlocking the Power of IGF 1 LR3: The Ultimate Guide to Growth and Rec HGH: THE IGF 1 INSULIN AXIS IS A TRUE DR. JEKYLL AND MR. HYDE ON ONES' HEALTH PUR FORM