⚠️Educational purposes only. Not medical advice. Consult a licensed provider before use. Many peptides are research-grade compounds not FDA-approved. Verify legal status in your jurisdiction.
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MK-677
Ibutamoren (MK-677)
ModerateResearch Grade
An oral GH secretagogue that significantly elevates GH and IGF-1, improving muscle mass, sleep architecture, and recovery.
Mechanism of action
Ghrelin receptor agonism via oral route, sustained IGF-1 elevation
Primary benefits
- ✓Significant muscle mass increase
- ✓Improved deep sleep
- ✓Elevated IGF-1
- ✓Enhanced recovery
- ✓Appetite stimulation
Dosing
Beginner
10-15 mg/day
Intermediate
20-25 mg/day
Advanced
25 mg/day
Frequency: Once daily
Timing: Before bed to leverage GH pulse during sleep
Route: Oral
Cycling protocol
Duration
12-16 weeks
Pattern
Daily
Break after
4-8 weeks
Important warnings
- ⚠️Can increase fasting blood glucose and insulin resistance
- ⚠️Significant appetite increase
- ⚠️Not for use with active cancer or diabetes without supervision
- ⚠️Water retention common