Receptor Grade IGF 1 LR3 1MG Raw Amino Application and benefits of IGF 1 LR3_Chemicalbook Frontiers Sheep recombinant IGF 1 promotes organ specific growth in fetal sheep INSUGRO DS ( IGF1 DES): Targeted Muscle Growth, Enhanced Fat Burn, and onestop.fit Oral delivery of novel human IGF 1 bioencapsulated in lettuce cells promotes musculoskeletal cell proliferation, differentiation and diabetic fracture healing ScienceDirect What is IGF 1 LR3?, Insulin Like Growth Factor 1 Long R3 (IGF 1 LR3) is a modified version of IGF 1 with a longer half life, making it significantly more potent and effective for muscle growth,