Sermorelin vs Ipamorelin: Differences, Benefits, and Which Is Better? CJC 1295 + Ipamorelin: Benefits, Differences, and When to Combine Revolution Health & Wellness Some peptides focus on fat loss. Some focus on recovery. Ipamorelin is interesting because researchers study it for both. Why? Because it stimulates natural growth hormone pulses without strongly affecting other hormones. IGF 1 LR3 does not promote growth in late gestation growth restricted fetal sheep American Journal of Physiology Endocrinology and Metabolism American Physiological Society