TESAMORELIN vs. CJC 1295: Key Comparisons Explained 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 Peptide Injections CMD CJC 1295 Ipamorelin Evexias Medical Center Why RFK Jr. backs peptides but questions vaccines STAT