
Sermorelin is a 29-amino-acid fragment of growth hormone-releasing hormone (GHRH) — specifically the active region. It works through the same pathway as the body's own GHRH signal.
From $200 / 10 weeks — includes physician review, 503A-compounded medication, and overnight cold-chain shipping. No charge until your physician approves.
Overview
Sermorelin is a 29-amino-acid fragment of growth hormone-releasing hormone (GHRH) — specifically the active region. It works through the same pathway as the body's own GHRH signal.
In adult anti-aging medicine, Sermorelin is used to support the natural GH-releasing signal that declines with age. Slower-acting than CJC-1295 but more physiological.
What It Does
Pituitary feedback loops stay intact.
GH pulses peak during slow-wave sleep — Sermorelin protocols often support sleep quality first.
Gentler ramp-up makes it a common first-line GH-axis peptide.
Lean mass, gradual body-composition changes, improved energy.
Often combined with other peptides in recovery / longevity stacks.
Mechanism of Action
Sermorelin binds the GHRH receptor on pituitary somatotrophs and triggers natural GH release. Because it works through the same pathway as endogenous GHRH, the pituitary's pulsatile output and feedback regulation remain intact.
Compared to CJC-1295, Sermorelin produces slightly less GH per dose but with a more natural rhythm.
Who It's For
Slower onset, more physiological — a good entry-point peptide.
Where natural GH pulses have declined the most.
Often the first peptide tried when sleep depth is the primary complaint.
Patients who prefer well-characterized peptides over newer compounds.
Research
Sermorelin's active sequence has a long clinical history in the GH-axis category.
Adult anti-aging use is off-label but well-established in clinical-practice data spanning two decades.
503A-pharmacy compounded under USP-797 standards.
Dosing
Sermorelin is typically given as a subcutaneous injection at night. Your physician determines your dose and protocol.
Protocol: cycled. Your physician sets the cycle length and schedule.
Every protocol is reviewed and prescribed by a US-licensed physician. The information here is educational and not a substitute for clinical judgment.
FAQ
Sleep quality often improves within the first 1–2 weeks. Energy and recovery typically follow by week 4–6, and body-composition changes are gradual over 8–12 weeks. Your physician follows your progress throughout.
Ready to start?
Take the 90-second protocol quiz. A US-licensed physician reviews your case within 24 hours. No charge until they approve your protocol.