Skip to main content
Back to Peptides
Growth HormonePerformanceSleep

MK-677

Buy Now

Also known as: Ibutamoren, Nutrobal, L-163,191

Overview

MK-677 (Ibutamoren) is an oral growth hormone secretagogue that provides sustained GH and IGF-1 elevation for up to 24 hours. Unlike injectable peptides, it can be taken orally, making it convenient for long-term use.

How It Works

MK-677 mimics ghrelin and binds to ghrelin receptors, stimulating GH release. Unlike peptides, it has excellent oral bioavailability and a long half-life, providing sustained 24-hour effects from a single dose.

Research Status

Reached Phase 2 clinical trials. Shows promise for muscle wasting and osteoporosis. Not FDA approved.