Gonadorelin
Written by Alejandro Reyes
Founder & Lead Researcher
Reviewed by Peptide Nerds Editorial · Updated April 2026
Key Takeaway
Gonadorelin is a synthetic GnRH (gonadotropin-releasing hormone) used to stimulate LH and FSH production, often prescribed to maintain fertility during testosterone therapy.
| Type | Other |
| FDA Status | FDA Approved |
| Evidence Level | Strong |
| Typical Dose | 100-200 mcg twice weekly |
| Frequency | Twice weekly |
| Key Goals |
How it works
Mimics natural GnRH to stimulate the pituitary gland to release LH and FSH, maintaining testicular function and spermatogenesis.
Benefits
- Maintains fertility during TRT
- Preserves testicular function
- FDA-approved diagnostic agent
Side effects
- Injection site reactions
- Headache
- Abdominal discomfort
Dosing protocol
Typical Dose
100-200 mcg twice weekly
Frequency
Twice weekly
Often prescribed alongside TRT protocols.
Deeper on Gonadorelin
Full breakdowns of every part of the Gonadorelin research base.
What you will need
Basic supplies for reconstitution and subcutaneous injection.
This page contains affiliate links. Learn more
Bacteriostatic Water (30mL)
$8-15Required for reconstituting lyophilized peptides. 30mL is standard.
Insulin Syringes (1mL, 29ga)
$12-20 (100ct)1mL insulin syringes with 29-gauge needles for subcutaneous injection.
Alcohol Prep Pads
$5-10 (200ct)Sterile 70% isopropyl alcohol wipes for injection site prep.
Sharps Container
$8-15FDA-cleared sharps disposal container for used needles.
Get the Gonadorelin cheat sheet
Dosing quick-reference, key studies, and side effect management — in your inbox.
FDA status
FDA Approved for: Diagnostic agent for gonadotropic function
Get the Gonadorelin cheat sheet
Dosing quick-reference, key studies, and side effect management — in your inbox.
Related peptides
Looking for weight loss peptides? See our complete guide to the best peptides for weight loss or compare semaglutide vs tirzepatide .
Get the Peptide Starter Kit (free)
Quick-start guide to GLP-1 peptides, dosing basics, and what to ask your doctor.
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.