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Hexarelin is a synthetic hexapeptide growth hormone secretagogue, considered one of the most potent GHRPs available. Also shows cardioprotective properties independent of GH release.
Summary: Most potently activates ghrelin receptors for maximum GH release, with additional cardioprotective effects independent of growth hormone. Mechanisms (reported/proposed across domains): Growth hormone axis • Strong agonist of GHS-R1a receptors on pituitary somatotrophs, triggering robust calcium signaling and GH secretion. • Considered most potent GHRP for GH release, dose-dependent...
Investigational - Not FDA Approved
Dose: 100–200 mcg · Route: Subcutaneous (SC) · Frequency: 1–3× daily · Duration: 4–8 weeks (cycling recommended)