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Everything you need to know about MK-677 (Ibutamoren) dosing — protocols, safety, and where to buy.
Dose Range
10,000–25,000 mcg (10–25 mg) oral daily
Frequency
Once daily, typically at bedtime
Cycle Length
8–16 weeks; some use long-term (6+ months) with monitoring
Half-Life
4–6 hours (effects on GH last ~24 hours due to IGF-1 elevation)
Dosage Calculator
Calculate exact dosing for MK-677 (Ibutamoren).
Contraindications
Active cancer or history of cancer. Diabetes or pre-diabetes (worsens insulin resistance). History of pituitary tumors. Intracranial hypertension. Pregnancy or breastfeeding. Children with open growth plates (unless under medical supervision).
Oral capsule or liquid — no injection required. Take at bedtime to align with natural GH pulse and to sleep through the hunger spike. May significantly increase appetite (ghrelin pathway). Can cause water retention and lethargy. Monitor fasting glucose as MK-677 can impair insulin sensitivity with prolonged use.
Where to Buy MK-677 (Ibutamoren)
Compare 1 listing across 1 vendor — from $49.99
The typical dose range for MK-677 (Ibutamoren) is 10,000–25,000 mcg (10–25 mg) oral daily. It is usually administered Once daily, typically at bedtime. Always start with the lowest effective dose.
Once daily, typically at bedtime
Yes, typical cycle length is 8–16 weeks; some use long-term (6+ months) with monitoring.
Increased appetite (significant), water retention and bloating, numbness/tingling in extremities (paresthesia), joint pain and stiffness, elevated blood glucose and insulin resistance, mild lethargy, vivid dreams. Long-term: potential HbA1c elevation, concerns about prolonged GH elevation.
Compare 1 listings from 1 vendor on our price comparison page — starting from $49.99.