Compound Overview
Class of Compound:
Non-peptide ghrelin agonist and growth hormone secretagogue.
Mechanism of Action:
MK-677 is an orally-active, selective agonist of the ghrelin receptor, known to increase the secretion of growth hormone and insulin-like growth factor 1, without stimulating serum cortisol levels.
Notable Studies:
- Design and biological activities of L-163,191 (MK-0677): a potent, orally active growth hormone secretagogue
- MK-677, an orally active growth hormone secretagogue, reverses diet-induced catabolism
- Prolonged oral treatment with MK-677, a novel growth hormone secretagogue, improves sleep quality in man
Also Known As:
MK-0677, oratrope, ibutamoren, L-163,191.
Research Applications:
- Growth hormone deficiency
- Body composition
- Sleep quality
- Anti-aging
Risks:
- Increased appetite
- Lack of human trials
- Lack of FDA approval
Chemical Structure


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