Some peptides can be risky if someone has active or recent cancer. Peptides that raise growth hormone or IGF 1, like IGF 1 LR3, IGF 1 DES, Tesamorelin, Sermorelin, CJC 1295, and Ipamorelin, increase A Medical Review of IGF 1 LR3 Dosage, Side Effects and Safety Aspects Molecular Medicine Reports Extracellular Interactors of the IGF System: Impact on Cancer Hallmarks and Therapeutic Approaches IGF 1: The Secret to Supercharging Your Energy, Sleep, and Lean Muscle Mass Lifeforce mylifeforce.com Insulin like growth factor (IGF) signaling in tumorigenesis and the development of cancer drug resistance ScienceDirect