Compound atlas
Growth

MK-677

Also known as · Ibutamoren · Nutrobal

Secretagogue (oral)
Half-life
24h
approx. mean t½
Dose range
10–25 mg
typical, not prescriptive
Category
Growth
primary use-case
Single-dose decay
t½ = 24h · first-order model
~4d
to clear
1× t½
50%
remaining
2× t½
25%
remaining
~4× t½
6%
remaining
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How a single dose clears, assuming first-order elimination. The half-life is the biggest driver of how often you dose — start a cycle to see your own cumulative concentration curve.

Overview

An orally active ghrelin-mimetic growth-hormone secretagogue. Raises GH and IGF-1; can increase appetite and water retention.

Mechanism of action

Non-peptide GHS-R1a agonist that boosts GH/IGF-1 over 24 h from a single oral dose.

Typical protocol

10–25 mg orally once daily; commonly run in multi-week to multi-month blocks.

Storage

Oral capsule/solution: room temp, dry, away from light.

Disclaimer

This page summarizes publicly available information. None of it constitutes medical advice, prescription, or recommendation to acquire, possess, or use any compound. Many peptides described are research chemicals not approved for human use in the EU. Consult a licensed physician.