Gonadorelin
Research profile · How we handle evidence
Gonadorelin is a synthetic GnRH analog used in some fertility and hormone-testing workflows to provoke LH/FSH release. It’s typically used under clinical supervision for diagnostic timing.
Evidence Score
High confidence
Category
Therapeutic area
Standard Dose
Pulse dosing (multiple times daily)
Half-life
Plasma elimination
Route
Subcutaneous
Safety Tier
Limited data
Overview
Gonadorelin is a synthetic GnRH analog. Clinicians use it in hormone-testing protocols to trigger a short, measurable LH and FSH response, which helps sort out where the signaling problem is (for example, pituitary-driven vs. gonadal-driven). It breaks down quickly, so the testing schedule often relies on timed pulses rather than a long-acting dose. If you see it mentioned in combination protocols online, treat those as non-standard discussions unless they match a referenced clinical protocol.
Mechanism of Action
Gonadorelin is a synthetic GnRH analog. Clinicians use it in hormone-testing protocols to trigger a short, measurable LH and FSH response, which helps sort out where the signaling problem is (for example, pituitary-driven vs. gonadal-driven). It breaks down quickly, so the testing schedule often relies on timed pulses rather than a long-acting dose. If you see it mentioned in combination protocols online, treat those as non-standard discussions unless they match a referenced clinical protocol.
pH & Mixing
Peptides reconstituted at very different pH levels can destabilize when combined in the same syringe, which lowers how much of the peptide your body actually absorbs. If you're unsure whether two peptides are close enough in pH, reconstitute and inject them separately.
A dedicated compatibility check between two specific peptides is coming to the Compare tool. This section covers this peptide's pH only.
Benefits
- Stimulates natural hormone production
- Fertility support
- Hormone testing
- HPG axis stimulation
Side Effects
- Headache
- Hot flashes
- Temporary changes in well-being (reported but not specific to everyone)
- Injection site discomfort or irritation
Contraindications
- Pregnancy
- Known or suspected hormone-sensitive cancers
- Certain pituitary conditions (testing may be individualized)
Structure & Sequence
Verified structure
Gonadorelin
Sequence illustration backed by PubChem match.
- Amino Acid Sequence
- pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH2
- Molecular Weight
- 1,182.3 Da
- Chemical Formula
- C55H75N17O13
- CAS Number
- N/A
- Reconstituted pH
- ~5.0
- InChIKey
- XLXSAKCOAKORKW-AQJXLSMYSA-N
Stack & Route Context
Stacks with
- Kisspeptin
- HCG
Administration
Subcutaneous
Research Status
FDA approved for diagnostic use
Approval Status
Approved
Sports Legal
Restricted
References
No references listed.
This profile summarizes research literature for education only. It is not medical advice, and it does not diagnose, treat, or recommend a dose. Consult a qualified professional before changing a protocol.