Ibutamoren – Also known as Ibutamoren Mesylate or MK-677
What Is Ibutamoren???AKA MK-677 MK-677 promotes the secretion of the growth hormone (GH) and increases insulin-like growth factor 1 (IGF-1) levels by mimicking the action of the hormone ghrelin and...


What Is Ibutamoren???
AKA MK-677
MK-677 promotes the secretion of the growth hormone (GH) and increases insulin-like growth factor 1 (IGF-1) levels by mimicking the action of the hormone ghrelin and binding to one of the ghrelin receptors (GHSR) in the brain. Activated GHSR (growth hormone secretagogue receptor), stimulates growth hormone release from the brain. GHSR are found in brain regions that control appetite, pleasure, mood, biological rhythms, memory, and cognition. Therefore, we can expect that ibutamoren may also affect these functions.
A great thing about ibutamoren is that it increases growth hormone levels with little or no increase in other hormones such as prolactin, glucose, triiodothyronine (T3), thyroxine (T4), thyrotropin, cortisol or insulin. For example, cortisol suppresses the immune system, reduces wound healing, and impairs learning and memory, and it’s usually not good to have this hormone elevated.
Benefits Of Ibutamoren
MK-677 is orally active and can be taken once a day, and these are all the benefits compared to other growth hormone stimulators.
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Increase lean body mass
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Reduces body fat
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Increases basal metabolic rate (BMR)
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Prevents muscle wasting
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Increase nitrogen levels in the body
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Increases bone density
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Improves sleep quality and REM (rapid eye movement) sleep duration
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Increase overall longevity
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Increases cognitive performance.
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Improves memory and learning retention
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Increases wound healing and tissue regeneration
Side Effects of MK-677 (Ibutamoren)
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