Cycle-length evidence
Hexarelin cycle length: what human studies ran
Not approved — research use onlyBLimited human data
Short answer: there is no established Hexarelin cycle length, and we found no human studies that report one.
Treatment and follow-up in human studies
No human study durations are recorded.
What has not been tested
- On-and-off schedules or breaks between courses.
- Repeated courses and long-term exposure beyond the periods listed.
- Hexarelin combined with other compounds, unless a study above says so.
Frequently asked questions
Is there an established Hexarelin cycle length?
No. We found no human studies that report a treatment duration for Hexarelin.
What is the longest human study of Hexarelin?
None is recorded.
Do study durations tell me how long to use something?
No. A study duration is how long investigators administered a compound to selected participants under monitoring. It is not a recommended course, and a break between courses has not been tested for any compound on this site that is not approved.
References
- Drugs@FDA application data queried through openFDA for hexarelin and examorelin (no matching application record returned on 22 October 2026) openFDA / Drugs@FDA. 2026
- International Standard: Prohibited List 2026 World Anti-Doping Agency. 2026
- The cardiovascular action of hexarelin J Geriatr Cardiol. 2014
- Implications of ghrelin and hexarelin in diabetes and diabetes-associated heart diseases Endocrine. 2015
- Endocrine activities of ghrelin, a natural growth hormone secretagogue (GHS), in humans: comparison and interactions with hexarelin, a nonnatural peptidyl GHS, and GH-releasing hormone J Clin Endocrinol Metab. 2001
- GH-independent cardiotropic activities of hexarelin in patients with severe left ventricular dysfunction due to dilated and ischemic cardiomyopathy Eur J Heart Fail. 2002
- Effects of acute hexarelin administration on cardiac performance in patients with coronary artery disease during by-pass surgery Eur J Pharmacol. 2002
- Short-term administration of intranasal or oral Hexarelin, a synthetic hexapeptide, does not desensitize the growth hormone responsiveness in human aging Eur J Endocrinol. 1996
- The Safety and Efficacy of Growth Hormone Secretagogues Sex Med Rev. 2018
- PubChem compound record for hexarelin (CID 6918297; CAS 140703-51-1) PubChem. 2026