MK-677 (Ibutamoren)
Ibutamoren (MK-677)
About
Specifications
Dosing
A controlled study used 25 mg orally once daily for 12 months.
Full dosing guideTitration schedule · referenceIbutamoren (MK-677)
A controlled study used 25 mg orally once daily for 12 months.
Full dosing guideTitration schedule · referenceAnalytics cookies help us understand what works in the catalog. Accept all, reject non-essential ones, or choose categories below. Privacy policy
Ibutamoren (MK-677) is an orally active, non-peptide growth-hormone secretagogue — a small molecule that mimics ghrelin and activates its receptor (GHSR). That mechanism has made MK-677 one of the more widely studied tools for sustained, long-lasting elevation of growth hormone (GH) and IGF-1 without injections; clinical and laboratory work has looked at it in connection with lean muscle mass, sleep quality, and appetite.
Longeva supplies Ibutamoren as a research substance: a lyophilized powder with an independent certificate of analysis (COA, HPLC) per batch and a stated purity of ≥99%.
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