MK-677 (Ibutamoren) is an oral secretagogue that stimulates the natural release of growth hormone and IGF-1. Unlike traditional hormone therapy, it boosts your body’s own production, promoting muscle growth, improved recovery, better sleep, and skin health.
The information provided on this page is for general informational purposes only and is not a substitute for professional medical advice. Always follow your RegenMD provider’s precise prescription and consult them directly with any questions or concerns. Not all patients qualify for every treatment—book a consultation to determine the best option for you.
MK-677 Capsules deliver Ibutamoren; the only orally bioavailable growth hormone secretagogue in its class. Its non-peptide molecular structure survives the digestive environment that degrades peptide-based compounds; allowing daily oral dosing to produce sustained GH and IGF-1 elevation without the injections most growth hormone secretagogues require.
MK-677 binds to ghrelin receptors in the pituitary and hypothalamus; the same receptor system through which the hunger hormone ghrelin naturally triggers GH release. Its approximately 24-hour half-life creates sustained elevation of both GH and IGF-1 from once-daily dosing; producing consistent growth factor support for lean body composition, sleep quality, recovery, skin and hair health, and joint and tendon integrity throughout the day and night.
RegenMD providers establish your dosing schedule in 30-count formulations based on your hormonal profile and wellness goals, with ongoing monitoring throughout the program.
MK-677 Capsules deliver Ibutamoren; a non-peptide growth hormone secretagogue that mimics ghrelin to stimulate natural GH and IGF-1 release from the pituitary gland. Unlike most GH secretagogues, MK-677 is orally bioavailable and has a half-life of approximately 24 hours; allowing once-daily dosing and sustained GH and IGF-1 elevation. It supports lean body composition, recovery, sleep quality, skin and hair health, and joint and tendon integrity. Available in 30-count formulations.
Most GH-releasing peptides are degraded by digestive enzymes in the GI tract before they can be absorbed, requiring subcutaneous injection to bypass this limitation.
MK-677 is a non-peptide small molecule with a structure resistant to enzymatic degradation in the digestive system; it survives the GI environment and is absorbed into systemic circulation, where it binds to ghrelin receptors in the pituitary and hypothalamus to trigger GH release. This oral bioavailability is the defining pharmacological characteristic that distinguishes MK-677 from peptide-based GH secretagogues.
MK-677's approximately 24-hour half-life produces a sustained elevation of baseline GH and IGF-1 levels rather than the acute, pulsatile GH spikes associated with shorter-acting compounds like Ipamorelin. This sustained profile supports consistent growth factor signaling throughout the day and night, which may be advantageous for applications centered on tissue recovery, sleep quality, and longer-term body composition support. Patients whose goals favor sustained GH elevation over pulsatile release patterns may find MK-677's pharmacokinetic profile better suited to their needs.
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