Lesson · 2 min read · Hexarelin
Hexarelin: what the studies show
Hormone and sleep findings
Hexarelin, also called examorelin, is a synthetic growth-hormone secretagogue. A 1994 double-blind study tested single intravenous doses of hexarelin in 12 healthy men, with placebo included in the sequence. Growth hormone rose after administration. The experiment measured hormone release, not strength, injury recovery, or longer life.
A separate placebo comparison in seven healthy young volunteers examined nighttime administration. Stage 4 sleep and delta power decreased. Several hormones increased. That small study does not support claims of better deep sleep.
Route and hormone timing
The intravenous experiment examined a short-term response. It does not supply a validated schedule for repeated subcutaneous use, nasal products, or oral preparations. Its reported growth-hormone response also cannot be used as the elimination half-life of hexarelin itself.
Long-term benefits and safety
No FDA-approved product was identified in current ingredient searches. These studies do not answer whether repeated use produces meaningful patient benefits with acceptable long-term safety. Distinguish administration time from hormone-sample collection time.
Quick check
What did the 1994 hexarelin experiment establish?
Sources
Peptiday editorial summary, not clinically reviewed, November 6, 2026. For education only, not medical advice. Talk to a clinician before starting, stopping or changing treatment.