Compound Library

Peptide / GH Axis

Sermorelin

GHRH analog. Stimulates pituitary to release GH in natural pulsatile pattern. Very short half-life — inject at bedtime to align with overnight GH surge. Best studied GHRH peptide.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose100–300 mcg SubQ at bedtime
Half-life0.17 hours
Risk flaglow
Regulatory noteFDA-approved context noted

Side effects and watch-outs

  • Injection site redness
  • Flushing
  • Headache
  • Water retention at high doses
  • Tingling/numbness hands (carpal tunnel-like)
  • Rare: cortisol or prolactin elevation