I am injecting IGF 1 LR3 to myself. I have experienced some side effects that I want to reduce to zero. If you have injected IGF 1 or have any other experience with intramuscular Application and benefits of IGF 1 LR3_Chemicalbook IGF 1 DES Dosage Calculator and Chart A Z Guide Growth Peptides for Bodybuilding: Expert Insights & Protocols R2 Medical Clinic Still injecting in the same spot every time? Read this. Where you inject your peptides can actually affect absorption, comfort, and results. Quick guide: Abdomen: fastest absorption Upper arms