Ibutamoren
MK-677 – 10mg (2 click)
130 clicks/bottle
1 click/5mg
🧬 Growth Hormone Secretagogue | Ghrelin Receptor Agonist
💊 Oral Capsule | Research Compound
Description
Ibutamoren (MK-677) is a long-acting growth hormone secretagogue that stimulates endogenous GH and IGF-1 release via activation of the ghrelin (GHS-R1a) receptor. It is studied for its role in muscle preservation, recovery enhancement, and sleep optimization.
🧪 Form and Storage
– 💊 Form: Oral capsules or liquid solution in sealed container
– 🧊 Storage: Store at 15–25°C, protected from moisture and direct sunlight
– 🕒 Stability: Stable under controlled room temperature conditions
– ⚠️ Keep container tightly closed
– 🔁 Suitable for once-daily administration due to long half-life (~24 hrs)
🔬 What is Ibutamoren?
Ibutamoren (MK-677) is a non-peptide compound that mimics the action of ghrelin, the hunger hormone, by binding to the growth hormone secretagogue receptor (GHS-R1a) in the hypothalamus and pituitary gland.
This activation increases pulsatile release of growth hormone (GH) and subsequently elevates circulating insulin-like growth factor-1 (IGF-1) levels. Unlike injectable growth hormone, Ibutamoren works by enhancing the body’s natural endocrine signaling rather than replacing it.
It has been researched for potential applications in growth hormone deficiency, muscle wasting conditions, and age-related decline in IGF-1. It remains an experimental compound and is not approved for medical use.
✅ Benefits of Ibutamoren
● Elevates GH and IGF-1 levels without injections
● Supports lean muscle mass accrual
● Enhances recovery and tissue repair
● Improves sleep quality, especially REM phases
● May support bone density
● Promotes appetite stimulation (useful in mass-gain phases)
● Potential anti-catabolic effects during calorie deficits
⚠️ Possible Side Effects
● Increased appetite and water retention
● Transient insulin resistance
● Elevated fasting blood glucose
● Mild lethargy in some users
● Possible paresthesia (tingling sensations)
● Long-term safety data limited
● Experimental status — not FDA approved
📏 Dosage Guidelines (Research Context)
● Research dosage: 10–25 mg per day
● Cycle duration: 8–16 weeks
● Route of administration: Oral
● Due to long half-life, typically once daily dosing (evening administration common)
🧼 Best Practices
● Maintain consistent daily administration timing
● Monitor fasting glucose and IGF-1 levels
● Adjust dietary intake to manage appetite increase
● Avoid concurrent use with strong insulin-sensitizing or glucose-altering agents
● Discontinue use if adverse metabolic markers develop
🧠 Lifestyle and Dietary Considerations
● Maintain a structured resistance training program
● Follow a moderate-to-high protein diet (1.6–2.2 g/kg)
● Prioritize 7–9 hours of sleep for hormonal optimization
● Monitor carbohydrate intake if glucose sensitivity changes
● Support with magnesium, vitamin D, and adequate hydration
💡 Ibutamoren is an oral GH secretagogue designed to enhance endogenous growth hormone signaling in research settings.
Careful metabolic monitoring and structured lifestyle integration are essential during extended use.
