Do you cycle MK-677?

Published human trials do not establish an on/off schedule for MK-677 (ibutamoren). It is an oral ghrelin receptor agonist, not a peptide, and its longest randomised human work ran about two years of continuous daily dosing in 65 older adults, not a cycle. Community protocols that insert time off are unverified. This site does not invent a schedule. Full detail at /cycling.

Full cycling page: what is measured versus assumed

Educational use only. This database summarizes published research and is not medical advice. Where a dose appears it is a record of what a trial or clinic ran, or what people describe doing, with its source attached. Nothing here is a recommendation for personal use.

Part of cycling and clearance. Whether peptides need a break, what a half-life actually tells you, and where a real cycling mechanism has been measured. Full detail at /cycling.