Hexarelin
Reviewed by Fat Man in the Arena · Updated March 2026
Key Takeaway
Hexarelin is the most potent GHRP available, producing the strongest GH release but with the most side effects including significant cortisol and prolactin elevation.
How it works
Extremely potent ghrelin receptor agonist. Produces the largest GH pulse of any GHRP but also significantly elevates cortisol and prolactin.
Benefits
- Most potent GH release of any GHRP
- Cardioprotective properties
- Rapid recovery enhancement
Side effects
- Significant cortisol increase
- Significant prolactin increase
- Desensitization with prolonged use
- Water retention
Dosing protocol
Typical Dose
100-200 mcg per injection
Frequency
1-2 times daily
Cycle Length
4-8 weeks (desensitization occurs)
Most potent but rapid desensitization limits long-term use.
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Medical Disclaimer: This content is for informational and educational purposes only. It is not intended as medical advice or a substitute for professional medical consultation, diagnosis, or treatment. Always consult a qualified healthcare provider before starting any peptide protocol.