Sexual Function & LibidoStrong Evidence

Gonadorelin Peptide Therapy

Benefits, Side Effects, Cost & Protocols

Gonadorelin peptide molecular structure diagram from PubChem

Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH) used diagnostically to evaluate pituitary function and therapeutically to stimulate the release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH). It is used in fertility treatment and hormone optimization protocols.

ByChris Riley(CFA)&Alex Evans, PharmD, MBA(PharmD, MBA)|Updated May 19, 2026

Clinically Reviewed

Reviewed by Alex Evans, PharmD, MBA · Updated May 2026

Evidence-Based

Sourced from FDA, PubMed & ClinicalTrials.gov · View sources

FDA Status

FDA Approved FDA approved (Factrel) for diagnostic evaluation of gonadotropic function. Also compounded for HRT.

Evidence

Strong Evidence

Who Is Gonadorelin Best For?

LH/FSH stimulationTestosterone supportFertility supportPCT protocol use

How Gonadorelin Works

Binds to GnRH receptors on the anterior pituitary, triggering pulsatile release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH).

Gonadorelin FAQ

What is GONADORELIN?

Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH) used to stimulate the release of LH and FSH from the pituitary gland, supporting natural testosterone production.

How does GONADORELIN work?

Binds to GnRH receptors on the anterior pituitary, triggering pulsatile release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH).

Is GONADORELIN legal to buy?

GONADORELIN requires a prescription from a licensed healthcare provider. It is legal to purchase with a valid prescription from authorized pharmacies.

Where can I buy GONADORELIN?

GONADORELIN is available by prescription through compounding pharmacies and telehealth providers. Browse our verified provider directory to find trusted sources.

What category does GONADORELIN belong to?

GONADORELIN is primarily classified as a sexual function & libido peptide. Peptides researched for their effects on sexual function, libido, and reproductive health.

What are the research benefits of GONADORELIN?

GONADORELIN has been studied for: LH/FSH stimulation, Testosterone support, Fertility support, PCT protocol use. Synthetic GnRH; popular for PCT and testosterone restoration protocols.

Key Studies

42,905 total on PubMed23,771 human trials

Effect of different gonadorelin (GnRH) products used for the first or resynchronized timed artificial insemination on pregnancy rates in postpartum dairy cows

TheriogenologyRCT

No difference in pregnancy rates between gonadorelin diacetate tetrahydrate and hydrochloride in dairy cows

[Use of gonadorelin[6-D-Phe] at day 0 or 12 after insemination to increase the conception rate in a large dairy herd in Saxony/Germany]

Freick M, Weber O, Passarge O et al

Tierarztl Prax Ausg G Grosstiere Nutztiere · Tierarztl Prax Ausg G Grosstiere NutztiereRCT

Gonadorelin at day 0 increased conception rate only in high-yield dairy cows with lactation number ≥2

Impact of phase of the estrous cycle and season on LH surge profile and fertility in dairy cows treated with different GnRH analogs (gonadorelin vs. buserelin)

Armengol-Gelonch R, Mallo JM, Ponté D et al

TheriogenologyRCT

GnRH analog type did not affect LH surge or pregnancy rates; season reduced LH area under curve

The safety of neoadjuvant hormonal treatment in infants with cryptorchidism

Fiala V, Jiraskova Z, Drlik M et al

J Pediatr UrolRCT

Gonadorelin Compound Data

Molecular Formula

C55H75N17O13

Molecular Weight

1182.3 g/mol

IUPAC Name

(2S)-N-[(1S)-2-[[(1S)-2-[[(1S)-2-[[(1S)-2-[[2-[[(1S)-1-[[(1S)-1-[(2S)-2-[(2-amino-2-oxo-ethyl)carbamoyl]pyrrolidine-1-carbonyl]-4-guanidino-butyl]carbamoyl]-3-methyl-butyl]amino]-2-oxo-ethyl]amino]-1-[(4-hydroxyphenyl)methyl]-2-oxo-ethyl]amino]-1-(hydroxymethyl)-2-oxo-ethyl]amino]-1-(1H-indol-3-ylmethyl)-2-oxo-ethyl]amino]-1-(1H-imidazol-5-ylmethyl)-2-oxo-ethyl]-5-oxo-pyrrolidine-2-carboxamide

View full compound on PubChem

Gonadorelin News

Gonadorelin erectile dysfunction: what men need to know about this peptide approach - Portal CNJ

Portal CNJ · 9 days ago

Gonadorelin Peptide: Gonadotropin Research and More - Tri City Voice

Tri City Voice · 8 months ago

Gonadorelin: Molecular Signaling, Temporal Dynamics, and Expanding Research Horizons - Modern Diplomacy

Modern Diplomacy · 28 days ago

Does Gonadorelin Cause Erectile Dysfunction? A Straight Look at the Peptide and Male Hormone Health - Portal CNJ

Portal CNJ · 9 days ago

Gonadorelin and erectile dysfunction: what men need to know about this peptide approach - Portal CNJ

Portal CNJ · 9 days ago

News aggregated via Google News. Inclusion does not imply endorsement.

Medical Disclaimer: The information on this page is for educational purposes only and does not constitute medical advice. Peptide therapies have not been evaluated by the FDA for most listed indications.All prices shown are estimates based on publicly available data and may not reflect current pricing — providers and brands set their own prices and can change them at any time. Always verify pricing directly with the provider before purchasing. Consult a licensed healthcare provider before starting any peptide protocol.

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