Reviewed by PeptideGuide Research Team|Last updated February 15, 2026
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MK-677 (Ibutamoren) vs GHRP-6
Complete side-by-side comparison of MK-677 (Ibutamoren) and GHRP-6.
Side-by-Side Comparison
Property
MK-677 (Ibutamoren)
GHRP-6
Name
MK-677 (Ibutamoren)
GHRP-6
Peptide Class
Growth Hormone Secretagogue
Growth Hormone Secretagogue
Category
Growth Hormone
Growth Hormone
Dosage Range
10-25 mg per day
100-300 mcg per injection
Half-Life
24 hours
20-30 minutes
FDA Status
Not Approved
Not Approved
Safety Rating
Use With Caution
Use With Caution
Cost Estimate
$150-300/month
$150-300/month
MK-677 (Ibutamoren)
MK-677, also known as Ibutamoren Mesylate, is a growth hormone secretagogue that mimics the action of ghrelin to stimulate the release of growth hormo...
View full profile →GHRP-6
GHRP-6, or Growth Hormone Releasing Peptide-6, is a synthetic peptide that stimulates the release of growth hormone from the pituitary gland. It mimic...
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