Hexarelin
Also known as: HEX
limited human dataWADA bannedNot FDA approvedResearch only
Published Dose Range
Low100 mcg/dose
Typical100-200 mcg 2x/day
High300 mcg/dose
Most potent GHRP per microgram. Rapid receptor desensitization — short cycles only.
Published Cycle Range
Short2 wks
Typical4 wks
Long8 wks
Tachyphylaxis is a known issue — GH response diminishes after 2-4 weeks of continuous use.
Off-cycle: 4 weeks
Administration
Routessubcutaneous
Frequency2x daily
Preferred timingMorning + pre-bed, fasted
AvoidAvoid carbs/fats within 1 hour
Short pulses work better than sustained daily dosing.
Safety Profile
Contraindications
- • Cardiac history
- • Cancer history
Common side effects
- • Injection site reactions
- • Mild cortisol/prolactin elevation
- • Rapid tolerance (tachyphylaxis)
Serious risks
- • Receptor desensitization limits long-term efficacy
Requires monitoring
- • IGF-1 levels
Pregnancy / breastfeeding
No data — consult clinician
Common Misconceptions
- More potent does not mean better — tachyphylaxis limits sustained use
Commonly Stacked With
CJC-1295
- Do not stack with other GHRPs
Next Steps
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