Ibutamoren (MK-677) Clinical Evidence Guide: 2026 Medical Standards
Last updated: June 7, 2026 Ibutamoren (MK-677) is an orally active, non-peptide agonist of the ghrelin receptor and a growth hormone secretagogue. Under 2026 clinical standards, it is deployed strictly for severe muscle wasting (cachexia) and the restoration of slow-wave sleep. Due to its prolonged half-life and ghrelin-mimicking nature, its off-label use for physique enhancement … Read more