Insulin Like Growth Factor 1 (IGF 1) and Its Monitoring in Medical Diagnostic and in Sports INSUGRO DS ( IGF1 DES): Targeted Muscle Growth, Enhanced Fat Burn, and onestop.fit IGF 1 LR3 1mg Insulin Like Growth Factor IGF 1 LR3 Before and After: Results, Benefits and Timeline Application and benefits of IGF 1 LR3_Chemicalbook 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,