Sermorelin
The native 29-amino-acid GHRH fragment and the longest-clinically-used GHRH analog, historically used to evaluate pituitary GH reserve.
Research status: The most clinically established GHRH peptide, with an FDA-approved history (though discontinued as a branded product).
This page is a research-orientation summary, not a dosing guide. For anything beyond general background, read the primary literature or talk to a qualified clinician — specifics like amount, frequency, or administration aren't something we publish here.
Related in Growth Hormone (GHRH)