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 growth signals CJC 1295 Ipamorelin Benefits, Side Effects, and Cost: The Complete Patient Guide Perfect B CJC 1295 Ipamorelin Dosage Protocol: The Complete Clinical Guide to Dosing, Cycling, and Injection Perfect B Peptides and Cancer Concerns: What You Should Know Before Starting Therapy SageMED The Peptide Craze Ground Truths