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What is Gonadorelin?
Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH). It is studied for its role in stimulating the pituitary to release luteinizing hormone and follicle-stimulating hormone in a pulsatile pattern.
How Gonadorelin works (research mechanism)
Gonadorelin research focuses on pulsatile GnRH-receptor activation - the natural rhythm matters, so frequent administration is modeled to mimic endogenous pulses.
Primary research applications
Reproductive-hormone research
Studied for LH/FSH stimulation endpoints.
Pulsatile-signaling research
Examined for the importance of pulse frequency in models.
Hormone-axis maintenance research
Studied in models of endogenous hormone production.
Research dosing reference
Research references commonly cite 100-200 mcg two to three times daily in pulsatile designs. Reference values only.
Reconstitution & handling
Gonadorelin ships as a lyophilized (freeze-dried) powder and must be reconstituted before use in any liquid research model. Allow the vial to reach room temperature, swab the stopper, then add bacteriostatic water slowly down the inside wall of the vial - never spray it directly onto the powder. Swirl gently until dissolved; do not shake, as shaking foams the solution and stresses the peptide. The volume of water you add sets the concentration: a 5 mg vial reconstituted with 2 mL yields 2,500 mcg/mL, so 0.1 mL measures 250 mcg. A correctly reconstituted Gonadorelin solution is clear; discard if it is cloudy or shows particulate.
Storage & stability
Store un-reconstituted Gonadorelin vials refrigerated and protected from light for long-term stability; the lyophilized form is robust and tolerates shipping. After reconstitution, refrigerate at 2-8C, keep away from light, and use within the typical research window of roughly two to four weeks. The benzyl alcohol in bacteriostatic water helps inhibit microbial growth across that period. Always label reconstituted vials with the concentration and date.
Common research pairings
Generally studied as a standalone GnRH peptide.
How Gonadorelin compares
Gonadorelin is GnRH itself; Kisspeptin acts upstream of it, and HCG mimics LH downstream - three distinct points in the hormone axis.
Safety & research considerations
Supplied for research use only; an advanced compound requiring frequent administration in models. Not for human consumption.
Gonadorelin research reference data
The figures below are reference values compiled from the research literature for laboratory study design only. They are not instructions for any living subject. See the full Gonadorelin research reference for complete detail and citations.
Half-life and exposure. Very short acting
Pharmacokinetics (research reference). GnRH analogs are short acting and physiologically pulse-dependent. Continuous exposure can differ markedly from pulsatile signaling.
Gonadorelin dose-reference table
| Reference dose | Units (U-100 syringe) |
|---|---|
| 100 mcg | 10 units |
| 250 mcg | 25 units |
Reconstitution and concentration by vial size
| Vial | Reconstitute with | Concentration |
|---|---|---|
| 2 mg | 2 mL BAC Water | 0.010 mg/unit |
Research timing. Pulse timing is biologically important; avoid interpreting continuous exposure as equivalent to physiologic pulsatility.
Dose-escalation reference. Start conservatively and use lab-guided interpretation where possible.
Monitoring in research models. Monitor headache, flushing, mood/libido changes, and endocrine-axis shifts.
Reassessment cadence. Use objective-driven, marker-aware courses. Reassess endocrine, mood, libido, blood-pressure, or target-symptom response before repeating or escalating.
Stacking notes (research). Avoid combining with other HPG-axis agents without hormone-marker context.
Sourcing, purity & Certificate of Analysis
Every lot of Gonadorelin sold by Peptides Factory Direct is third-party tested to a 99%+ purity target, with identity confirmed by mass spectrometry and purity quantified by HPLC. A Certificate of Analysis (COA) documenting these results is available on request and ties each vial to a tracked lot. Material ships nationwide to all 50 US states with cold-chain handling where appropriate and fast domestic dispatch. This documentation is what separates research-grade Gonadorelin from unverified material - quality is established before the vial ever reaches your lab.
How to order Gonadorelin for research
Gonadorelin can be ordered through the Peptides Factory Direct research portal as a one-time purchase or on a recurring research schedule (every 2 weeks, monthly, every 2 months, or every 3 months). Checkout requires confirming you are 21 or older, purchasing for laboratory research only, and that the product is not for human or animal consumption. Bulk and standing-order pricing is available - note it in your order. Open the order portal to view current research sizes and pricing.
Frequently asked questions
What is Gonadorelin researched for?
Pulsatile GnRH signaling and LH/FSH stimulation endpoints. Research use only. Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH). Gonadorelin research focuses on pulsatile GnRH-receptor activation - the natural rhythm matters, so frequent administration is modeled to mimic endogenous pulses.
What sizes are available?
2 mg and 10 mg vials, third-party tested, COA on request. Gonadorelin is supplied as a lyophilized (freeze-dried) powder in 2 mg and 10 mg research sizes. A Certificate of Analysis tied to the tracked lot is available on request.
How should Gonadorelin be stored?
Store un-reconstituted Gonadorelin vials refrigerated and protected from light; the lyophilized powder is stable enough to tolerate shipping. Once reconstituted, keep the solution at 2-8C away from light, label it with concentration and date, and use it within roughly two to four weeks of research handling.
How is Gonadorelin purity verified?
Gonadorelin purity is verified by an independent third-party laboratory, not an in-house claim. Purity is quantified by HPLC against a 99%+ target and identity is confirmed by mass spectrometry, and the resulting Certificate of Analysis is tied to the tracked lot you receive and is available on request.
Is Gonadorelin FDA approved?
No. The research-grade Gonadorelin supplied here is not an FDA-approved drug product and is sold strictly for laboratory and in-vitro research. Where an approved pharmaceutical form of a compound exists, it is a separate prescription product made to clinical standards. Research material is not a supplement, food, or cosmetic and is not for human or animal consumption.
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External references: Peptides (Wikipedia) · U.S. Food and Drug Administration