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 CJC 1295 Ipamorelin Dolce MD Early administration of anamorelin improves cancer cachexia in gastrointestinal cancer patients: an observational study Scientific Reports Targeting the Immune Cold Tumor in Melanoma Williams Cancer Institute