What is the half-life of Hexarelin?
Hexarelin has a reported half life of ~70 minutes, given subcutaneous. That is why it is typically dosed 1-2x daily. A shorter half life means more frequent dosing to keep blood levels steady, a longer one lets you space doses further apart.
Quick facts
- Half-life: ~70 minutes
- Route: Subcutaneous
- Typical schedule: 1-2x daily
- Cycle length: 4 weeks max
References
- Hexarelin and growth hormone secretion — Imbimbo BP et al., JCEM, 1994
- Effects of acute hexarelin administration on cardiac performance in patients with coronary artery disease during by-pass surgery — Broglio F et al., European Journal of Pharmacology, 2002
- Cardiac effects of hexarelin in hypopituitary adults — Bisi G et al., European Journal of Pharmacology, 1999
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-06.