Monograph
GHRP-6: A Practical Guide
Overview GHRP-6 (His-D-Trp-Ala-Trp-D-Phe-Lys-NH2) is a synthetic hexapeptide and the first-generation agonist of the ghrelin receptor (GHS-R1a), developed by Cyril Bowers and colleagues at Tulane University in the 1980s. It was the peptide whose study ultimately led to the discovery of the…
By Kristopher Crawford
·
13 May 2026
·
3 min read
Overview GHRP-6 (His-D-Trp-Ala-Trp-D-Phe-Lys-NH2) is a synthetic hexapeptide and the first-generation agonist of the ghrelin receptor (GHS-R1a), developed by Cyril Bowers and colleagues at Tulane University in the 1980s. It was the peptide whose study ultimately led to the discovery of the…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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