CJC-1295 vs Sermorelin
Two growth-hormone-releasing peptides compared — how they differ and how a physician chooses.
Medically reviewed by Charles Kamen, MD, board-certified neurologist ·

CJC-1295 and sermorelin are both growth-hormone-releasing hormone (GHRH) analogs: instead of adding growth hormone directly, they prompt your own pituitary gland to release it. The practical difference is how long each one acts and how it fits into a protocol.
At LiveNow Longevity, Dr. Charles Kamen, MD reviews your labs and history before either is considered. This is an educational comparison, not medical advice or a substitute for evaluation.
Bottom line: Both work upstream — telling your own body to release growth hormone rather than replacing it. Sermorelin gives a shorter, more pulse-like signal; CJC-1295 acts longer and is often paired with a GHRP. Neither is a one-size answer, and which (if either) fits you is a medical decision made after evaluation.
Frequently Asked Questions
What is the difference between CJC-1295 and sermorelin?
Both are GHRH analogs that stimulate your own pituitary to release growth hormone. Sermorelin is short-acting and mimics the body’s natural pulses; CJC-1295 is modified to act longer and is often combined with a GHRP like ipamorelin. Which is appropriate is determined after evaluation.
Are CJC-1295 and sermorelin FDA-approved?
Sermorelin was previously FDA-approved as Geref, which has since been discontinued; it is now used as a compounded peptide. CJC-1295 is not FDA-approved. Both are used only under physician supervision, sourced from licensed U.S. compounding pharmacies, when medically appropriate.
Is one better than the other?
Neither is universally better. Sermorelin offers a more pulse-like, physiologic signal; CJC-1295 offers a longer-acting, steadier one with fewer injections. The right choice depends on your history, labs, and goals, determined by Dr. Kamen after evaluation.
How do I get started?
Book online or call (702) 808-2650 to schedule your evaluation in Las Vegas.
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Which one is right for you?
That is a medical decision — and exactly what the $88 evaluation is for. Dr. Charles Kamen, MD reviews your labs, history, and goals and recommends the option that fits you.
Ready to start your longevity care?
Book your $88 evaluation with Dr. Kamen today, online, by phone, or by text.
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