Supplement Scholar
Growth Hormone Secretagogues

Sermorelin

Research compound. This is not a dietary supplement. Unless it is identified as an approved prescription drug, it is not approved by the FDA for human use. This page summarizes published research for education only; we do not sell it or link to sellers.

Sermorelin. A 29-amino-acid GHRH analog historically used in pediatric GH-deficiency evaluation and adult anti-aging protocols.

How it works. Stimulates the anterior pituitary to release growth hormone via the GHRH receptor, mimicking the body's own GHRH signal.

What the research supports. 3 graded claims. Strongest: Restores more youthful GH pulse patterns (preclinical).

Hormonal impact. Effects on Growth hormone, IGF-1, Somatostatin, Cortisol & prolactin.

Side effects and interactions. 2 medication interactions listed. Serious: Possible insulin-sensitivity changes with prolonged use.

Stacking. Pairs well with GHRPs (ipamorelin). Avoid combining with Active malignancy.

Common forms. Available as Subcutaneous injection, Lyophilized vial reconstituted in bacteriostatic water.

Community. Experiences from people who have tried Sermorelin. Anecdotes are not medical advice.

Sermorelin. A 29-amino-acid GHRH analog historically used in pediatric GH-deficiency evaluation and adult anti-aging protocols.

29-residue chainC149H246N44O42S · 3357.9 g/mol

What it is

Sermorelin is the first 29 amino acids of natural growth-hormone-releasing hormone — the minimum sequence needed to bind the GHRH receptor.

How it works

Stimulates the anterior pituitary to release growth hormone via the GHRH receptor, mimicking the body's own GHRH signal.

Pathways

  • GHRH-R → cAMP → GH release

Effects

  • ↑Endogenous GH release increases
  • +Sleep quality and recovery supports

What the research supports

Restores more youthful GH pulse patternspreclinical
May improve sleep, energy, and recoverypreclinical
Preserves negative feedback (lower risk of suppression vs exogenous HGH)preclinical

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Hormonal impact

↑Growth hormoneincreases
↑IGF-1increases
=Somatostatinstabilizes
=Cortisol & prolactinstabilizes

Side effects & interactions

Common side effects

  • Injection-site reaction
  • Flushing
  • Headache

Serious

  • Possible insulin-sensitivity changes with prolonged use

Medication interactions

Glucocorticoidsmoderate

Blunt GH response.

Thyroid hormonesminor

May alter response; monitor labs.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • GHRPs (ipamorelin)Common research synergy for stronger GH pulses.

Avoid combining

  • Active malignancyAvoid stimulating the GH/IGF-1 axis.

Common forms

  • Subcutaneous injection
  • Lyophilized vial reconstituted in bacteriostatic water

Discussion

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