Reviewed by PeptideGuide Research Team|Last updated February 15, 2026
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TRH (Thyrotropin-Releasing Hormone) vs GnRH (Gonadotropin-Releasing Hormone)
Complete side-by-side comparison of TRH (Thyrotropin-Releasing Hormone) and GnRH (Gonadotropin-Releasing Hormone).
Side-by-Side Comparison
Property
TRH (Thyrotropin-Releasing Hormone)
GnRH (Gonadotropin-Releasing Hormone)
Name
TRH (Thyrotropin-Releasing Hormone)
GnRH (Gonadotropin-Releasing Hormone)
Peptide Class
Hypothalamic Releasing Hormone
Neuropeptide
Category
Endocrine
Endocrine
Dosage Range
200-500 mcg for diagnostic purposes
50-100 mcg per dose
Half-Life
5 minutes
2-4 minutes
FDA Status
Approved for diagnostic use
Approved for certain uses
Safety Rating
Prescription Required
Prescription Required
Cost Estimate
$50-100 per diagnostic test
$200-400 per cycle
TRH (Thyrotropin-Releasing Hormone)
Thyrotropin-Releasing Hormone (TRH) is a critical peptide hormone in the endocrine system, primarily used for diagnostic purposes. It plays a pivotal ...
View full profile →GnRH (Gonadotropin-Releasing Hormone)
Gonadotropin-Releasing Hormone (GnRH) is a critical neuropeptide involved in the regulation of reproductive hormones. It functions by stimulating the ...
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