QK041 Recombinant human bovine porcine IGF 1 LR3 protein Oral delivery of novel human IGF 1 bioencapsulated in lettuce cells promotes musculoskeletal cell proliferation, differentiation and diabetic fracture healing ScienceDirect IGF 1 LR3 does not promote growth in late gestation growth restricted fetal sheep American Journal of Physiology Endocrinology and Metabolism American Physiological Society IGF 1 LR3 in Aesthetic and Anti Aging Medicine: Benefits and Risks Hubmed Late life targeting of the IGF 1 receptor improves healthspan and lifespan in female mice Nature Communications IGF 1 LR3 The Muscle Building Peptide Everyone's Talking About IGF 1 LR3 is one of the most powerful performance peptides used for muscle growth, recovery, and fat loss. It's a modified version