Peptide
MK-677 (Ibutamoren)
Oral growth hormone sustainer
A non-peptide ghrelin mimetic that increases GH and IGF-1 levels. Unique in being orally bioavailable with a long half-life.
Mechanisms
- Oral GH secretagogue
- 24-hour GH elevation
- IGF-1 increase
- Sleep enhancement
Dosing
Typical dose
10–25mg
Timing
Oral administration. Evening dosing preferred due to GH/sleep synergy.