Research compound
GHRP-6
A growth-hormone secretagogue studied in endocrine and sleep experiments.
Also discussed as: Growth hormone releasing peptide 6
THE RESEARCH QUESTION
What is being investigated?
Researchers have measured GH, ACTH, cortisol and sleep responses in healthy men.
EVIDENCE SNAPSHOT
Small human studies
A laboratory sleep or hormone response is not evidence for routine treatment of insomnia or for safe performance enhancement.
LIMITS & SAFETY
What should you know?
Cortisol and blood-glucose effects need consideration.
FOLLOW THE EVIDENCE
Sources & further reading
- GHRP-6: sleep and hormone responses in men (1995) ↗Human study
- FDA: safety information for bulk substances used in compounding ↗Regulator
Checked 8 October 2026. Sources may describe different populations, formulations and jurisdictions. This overview is not a systematic review or individual medical advice.
PUT THE EVIDENCE IN CONTEXT
Questions about what you’ve read?
Request an educational conversation with Matthew about the evidence and questions to raise with your medical professional.