What is Ibutamoren –MK677?
Ibutamoren (MK-677) is a growth hormone secretagogue, meaning it stimulates the body’s natural production of growth hormone (GH) and increases levels of insulin-like growth factor 1 (IGF-1). It is often used in the fitness and bodybuilding community for its ability to promote muscle growth, enhance recovery, improve sleep, and increase fat metabolism. Unlike SARMs, Ibutamoren does not bind to androgen receptors but works by mimicking the hormone ghrelin, which stimulates the secretion of growth hormone.
Key Features of Ibutamoren (MK-677)
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Growth Hormone and IGF-1 Stimulation: Ibutamoren boosts the secretion of growth hormone and IGF-1, which play a crucial role in muscle growth, fat metabolism, and recovery.
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Oral Administration: Ibutamoren is taken orally, making it more convenient than many growth hormone-stimulating compounds that require injections.
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Long Half-Life: Ibutamoren has a long half-life (about 24 hours), meaning it only needs to be taken once a day.
How Ibutamoren Works
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Mimicking Ghrelin: Ibutamoren acts by mimicking the action of the hormone ghrelin, which binds to ghrelin receptors (GHS-R) in the brain, stimulating the release of growth hormone. Unlike direct growth hormone injections, which can shut down natural production, Ibutamoren stimulates the body to produce its own GH naturally.
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Increased Growth Hormone Secretion: Higher levels of growth hormone help with cell regeneration, muscle growth, fat loss, and improved recovery after exercise.
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Increased IGF-1 Levels: IGF-1 is a key mediator of the effects of growth hormone, and higher levels contribute to muscle hypertrophy (growth) and fat metabolism.
Benefits of Ibutamoren (MK-677)
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Muscle Growth: By boosting growth hormone and IGF-1, Ibutamoren promotes muscle hypertrophy, making it popular during bulking cycles.
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Improved Fat Loss: Ibutamoren enhances fat oxidation, making it easier to burn fat while retaining muscle mass, especially during calorie deficits.
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Better Sleep Quality: Many users report improved sleep patterns and deeper, more restorative sleep, which in turn aids muscle recovery and overall well-being.
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Increased Bone Density: Growth hormone plays a role in maintaining and increasing bone density, making Ibutamoren potentially beneficial for people with conditions like osteoporosis.
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Enhanced Recovery and Healing: Ibutamoren can accelerate muscle recovery after workouts and improve healing from injuries due to its effects on growth hormone.
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Anti-Aging Properties: Higher growth hormone levels are associated with anti-aging benefits, such as improved skin elasticity, reduced wrinkles, and better hair and nail health.
Potential Side Effects of Ibutamoren (MK-677)
While Ibutamoren is generally well-tolerated, some users may experience side effects, particularly at higher doses or over prolonged use:
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Increased Appetite: As Ibutamoren mimics ghrelin (the "hunger hormone"), many users report an increase in appetite, which can be beneficial during bulking phases but may be challenging during cutting cycles.
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Water Retention: Some users experience water retention or bloating, which can make muscles appear less defined.
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Joint Pain and Swelling: A side effect of increased growth hormone can be mild joint pain or swelling, especially in people who are sensitive to GH fluctuations.
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Insulin Resistance: Prolonged use of Ibutamoren may lead to insulin resistance or elevated blood sugar levels, which could be a concern for individuals with pre-existing conditions like diabetes.
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Lethargy and Fatigue: Some users report feeling lethargic or fatigued, especially during the first few weeks of use, which is thought to be related to its effects on sleep and growth hormone production.
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Carpal Tunnel Syndrome: High growth hormone levels over long periods can sometimes lead to carpal tunnel syndrome, characterized by pain and numbness in the wrists and hands.
Pack of 60 tablets
Each tablet contains 12.5MG of Ibutamoren MK677
Also known as/branded as:
- MK677
- MK 677
- Nutrabol
- MK-47
- MK47
- MK 47
Supplied for Research Purposes Only
Check out our Independent Lab Analysis.
This information and product is provided for research purposes only. We do not provide any advice on the usage of these products as UK Law prevents this. Customers should check the legality of this product in their own country prior to purchase.