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Growth Hormone Secretagogue

MK-677 Protocol

Dosing & Research

Last Updated: April 22, 2026

GH/IGF-1 axis studies, Sleep and recovery research, Appetite signaling, Body-composition research

Half-Life
Approximately 24 Hours
Administration
Oral
Frequency
1x Daily

How It Works

  • GH/IGF-1 axis studies
  • Sleep and recovery research
  • Appetite signaling
  • Body-composition research

Dosing Structure

Dose
5–25mg oral daily
Frequency
1x Daily
Notes
Break: Equal cycle length (8-12 weeks minimum). Research shows up to 18 months safety.

Example Protocols

Dose: 5–25mg oral daily
Frequency: 1x Daily
Duration: 8-12 weeks
Off Period: Not listed
Log InjectionAdd to ProtocolCalculate dosing →

Protocol Notes

Break: Equal cycle length (8-12 weeks minimum).
Research shows up to 18 months safety.

Research & Studies

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