Low Testosterone in Men: My Approach to Diagnosis and Treatment OptimalSelf MD 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 Ipamorelin and Cancer Myths Debunked LIVV Natural The Food and Drug Administration will hold a meeting this summer to consider easing restrictions on more than a half dozen peptide injections, a group of unapproved therapies that have become popular