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CJC-1295's ability to modulate growth hormone secretion patterns in aged models has positioned it as a key compound in aging research, where it serves as a tool for investigating how growth hormone modulation influences age-associated physiological changes in experimental systems

The regulatory landscape is evolving: in February 2026, HHS announced that approximately 14 previously restricted peptides including BPC-157, TB-500, CJC-1295, Ipamorelin, and Sermorelin are expected to return to Category 1 compounding status

The same principles apply to tirzepatide and retatrutide, though specific guidelines for retatrutide will not exist until it reaches the market