Sermorelin + GHRP-2: how the stack works
Medically reviewed by the Rite Aid Health Team · Last updated July 2, 2026
Sermorelin with GHRP-2 builds a growth-hormone pulse from two angles — a GHRH analog plus a GH-releasing peptide.
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Why they are combined
- Sermorelin (a GHRH analog) tells the pituitary to make growth hormone
- GHRP-2 acts on the ghrelin receptor to trigger a release
- Together the pulse is larger than sermorelin alone
Reported cadence
The pattern below is what users commonly report — it is informational only. Dosing must be individualized with a qualified clinician. Both are given subcutaneously, usually at night. GHRP-2 tends to raise appetite and prolactin more than a selective GHRP like ipamorelin.
Side effects when combined
Increased appetite, water retention, and injection-site reactions are the commonly reported effects.
Reconstitution
Reconstitute each with bacteriostatic water; use the calculator for the units to draw.
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For general education only — not medical advice or a treatment recommendation. Peptides are not a substitute for care from a licensed provider. Talk to a qualified healthcare professional before you start, stop, or change any peptide, medication, or supplement.
FAQ
GHRP-2 is a stronger releaser but less selective — it can raise appetite, cortisol, and prolactin more than ipamorelin, which is prized for a cleaner pulse.
At night is the commonly reported timing, to line up with the natural overnight growth-hormone pulse.