⚖ Head-to-Head · GHRP-6 vs GHRH

GHRP-6 vs Sermorelin

Mechanism, half-life, dosing & research status compared side-by-side.

GHRP-6
Growth Hormone
Not Approved
Growth HormoneWound HealingRecovery
GHRP-6 is the original growth hormone releasing peptide, discovered by Cyril Bowers in the 1970s through systematic study of enkephalin analogs. It was the first molecule to reveal the existence of the ghrelin receptor p…
Full GHRP-6 profile →
Sermorelin
Growth Hormone
Compounding Only
Growth HormoneAnti-agingRecoverySleep
Sermorelin is a synthetic analog of the first 29 amino acids of endogenous GHRH, retaining full biological activity at the GHRH receptor. It was FDA approved (Geref) for GH deficiency in children from 1997 until its volu…
Full Sermorelin profile →
Technical Specs Comparison
MetricGHRP-6Sermorelin
Research Status Extensively Studied Extensively Studied
Molecular Weight 873.0 Da 3,357.9 Da
Half-Life ~15–60 min ~10–20 min
Peak Time ~30 min ~30–60 min
Typical Dose 100–300 µg 200–500 µg
Frequency 2–3× daily Once daily (bedtime)
Route Subcutaneous Subcutaneous
Amino Acids 6 29
WADA Status Prohibited Prohibited
FDA Status Not Approved Compounding Only
Stack Compatibility & Key Differences
Both are active research compounds. See individual pages for full protocol data.
Frequently Asked Questions
What is the difference between GHRP-6 and Sermorelin?
GHRP-6: GHRP-6 is the original growth hormone releasing peptide, discovered by Cyril Bowers in the 1970s through systematic study of enkephalin analogs. It was the first molecule to reveal the existence of the ghrelin receptor p… Sermorelin: Sermorelin is a synthetic analog of the first 29 amino acids of endogenous GHRH, retaining full biological activity at the GHRH receptor. It was FDA approved (Geref) for GH deficiency in children from 1997 until its volu…
Can you stack GHRP-6 and Sermorelin?
Both are active research compounds. See individual pages for full protocol data.
Which has a longer half-life, GHRP-6 or Sermorelin?
GHRP-6 half-life: ~15–60 min. Sermorelin half-life: ~10–20 min.
Verified Scientific Data
All specifications on this page are sourced from peer-reviewed literature and primary research. Half-life values, dosing ranges, and mechanism data are cross-referenced against published studies. Last audited 2026-07-21.
Peer-reviewed sources Audit timestamp: 2026-07-21 Data version: ASCEND Wiki 2026
Data sourced from ASCEND Wiki · GHRP-6 profile · Sermorelin profile · All comparisons
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