CJC 1295 is one of the several non FDA approved growth hormone releasing peptides that is commonly used in longevity and wellness clinics. This peptide differs from the others primarily due to long serum CJC 1295 + Ipamorelin vs IGF 1 LR3 for Muscle Growth IGF 1 LR3 forces receptor desensitization in 4 6 weeks, requiring months off before you can use it again. CJC 1295 and Ipamorelin amplify your natural CJC 1295 + Ipamorelin: Benefits, Differences, and When to Combine Revolution Health & Wellness Once daily administration of CJC 1295, a long acting growth hormone releasing hormone (GHRH) analog, normalizes growth in the GHRH knockout mouse American Journal of Physiology Endocrinology and Metabolism American Physiological Society