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WHAT IS MK-677 (IBUTAMOREN)?
MK-677 (also known as ibutamoren), promotes the secretion of the growth hormone (GH) and increases insulin-like growth factor 1 (IGF-1). Ibutamoren increases growth hormone levels by mimicking the action of the hormone ghrelin and binding it to one of the ghrelin receptors (GHSR) in the brain.
Activated GHSR stimulates growth hormone release from the brain. Clinical studies describe only the effects ibutamoren has on appetite and as expected, like ghrelin, ibutamoren increases it. GHSR is 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. It increases growth hormone levels with little or no increase in other hormones, such as cortisol. Cortisol suppresses the immune system, reduces wound healing, and impairs learning and memory, and it’s usually not good to have this hormone elevated.
MK-677 BENEFITS AND RESULTS
The benefits of MK-677 include muscle-building, a reduction in muscle wasting, better bone density, improved sleep, and anti-aging properties. It may also have nootropic effects and it can be beneficial in treating growth hormone deficiencies. Read on for a more in-depth look at these benefits.
Helps Build Muscles
Ibutamoren is frequently used as an anabolic substance, to increase lean body mass. It is orally active and can be taken once a day. MK-677 stimulates Growth Hormone and IGF-1 which each factor significantly to maintaining lean body mass. Growth Hormone is believed by many to stimulate an increase in muscle size and strength and the ability of MK-677 to increase Growth Hormone production makes it a popular choice.
One study that studied 60-year-olds indicated that injections to stimulate Growth Hormones led to increased strength in thigh muscles. When it comes to MK-677 stimulating muscle growth, its results will vary by person depending on their exercise regimen and if they have any health conditions.
In another study of 24 obese men, a two-month treatment with ibutamoren increased lean mass, and transiently increased basal metabolic rate (BMR).
Reduces Muscle Wasting
MK-677 has been shown in recent studies to alleviate muscle wasting that can be caused by a decline in protein within an individual’s diet. In one study a group of healthy young adults was tested to determine if MK-677 could reverse protein catabolism and the results proved to be quite positive. As a result, MK-677 is theorized to be possibly an effective treatment for individuals who suffer from catabolic conditions.
Increases Bone Density
Several studies have indicated that long-term use of MK-677 can have tremendous results to increase bone mineral density. This finding can benefit several populations including obese individuals, older adults, and women with menopause. These distinct populations can have detrimental health problems due to low bone mineral density and MK-677 has proven to be an effective treatment for many of them.
In 24 healthy obese male volunteers, ibutamoren increased bone turnover.
In 187 elderly adults (65 years or older), ibutamoren increased bone building, as measured by osteocalcin, a marker of bone turnover in multiple studies.
In one study with 292 post-menopausal women, ibutamoren increased bone mineral density, which helps increase bone strength and prevent osteoporosis.
The groups of people who serve to benefit from MK-677’s ability to increase bone density must research the possibility of any long-term side effects since increases in bone density typically take more than a year’s use.
Improves Sleep
Since Growth Hormone is known to help improve sleep quality, it is commonly thought that Ibutamoren Mesylate can assist with sleep quality since it stimulates the production of Growth Hormone.
A study showed that in both younger and elderly subjects, ibutamoren improved sleep quality and REM (rapid eye movement) sleep duration.
Apart from scientific studies, there have been many reports of subjective improvements in sleep quality.
Combats Aging and May Increase Longevity
As seen with other hormones in the body, Growth Hormone naturally begins a steady decline once a certain age is hit. Individuals who are aging can benefit from taking MK 677 since Growth Hormone and IGF-1 will be increased in the body among its consumption. Aging individuals who take MK 677 can improve their overall hormone profiles as they give their declining GH levels (Growth Hormone levels) a boost.
In a study with 65 elderly men and women, daily ibutamoren increased GH and IGF-1 levels to those of healthy young adults without serious adverse effects.
In another study with 24 obese males, ibutamoren rejuvenated the growth hormone profile.
May Have Nootropic Effects
Since MK-677 shares a lot of similar qualities to Ghrelin and binds to its receptors, it is believed that MK 677 can have the same effects on the brain that Ghrelin has.
However, there are no studies that confirm whether or not MK 677 has direct nootropic effects on the brain. Scientists do have hope though that a couple of noticeable indirect methods may explain how MK 677 can be of assistance to cognitive function. Looking back at the previous section, one method that shows promise is Ibutamoren’s ability to improve sleep quality by increasing REM sleep.
Obtaining the proper amount of sleep each night is extremely important when trying to achieve adequate cognitive function. MK-677 can improve cognitive function by assisting individuals with the ability to get a good night’s rest. The ability of MK-677 to stimulate IGF-1 production can also indirectly improve cognitive function based on IGF-1’s role in cognitive function. One study indicated that IGF-1 positively affected participants’ ability to perform well on cognitive tests. We know that sleep is essential for good cognitive function.
Beneficial in Treating Growth Hormone Deficiency
Ibutamoren can increase growth hormone, IGF-1, and IGFBP-3 levels in children with growth hormone deficiency. Furthermore, these effects are achieved without changing the concentrations of prolactin, glucose, triiodothyronine (T3), thyroxine (T4), thyrotropin, cortisol, or insulin.
In severely GH-deficient men, ibutamoren increased IGF-1 and growth hormone, with no significant changes in cortisol, PRL, and thyroid hormone levels. However, insulin and glucose were increased.
POTENTIAL SIDE EFFECTS OF MK-677
MK 677 has not produced very many side effects for its users to be concerned about, but certain populations may have some side effects to look out for.
Individuals who are vulnerable to insulin sensitivity or who have Diabetes may be at risk when taking MK-677. Symptoms associated with these conditions could possibly be exacerbated by the use of MK 677. As with any other compound, correct dosing and usage of MK-677 is the key. In studies that looked at how MK-677 increases muscle mass, the dosage was key. Side effects of MK-677 are usually the result of a handful of two things: improper dosage and extended use.
Reported side effects of MK-677 are typically the result of unnaturally high levels of growth hormone in the body from taking too much too often, which include:
- increased appetite
- Lethargy
- Joint pain if you have previous medical conditions or elevated hormone levels
- Insulin resistance
- Possible increase in prolactin levels, which can be controlled
When dosed properly, the side effects of MK-677 are minimal to none compared to the results you get from taking it properly.
CONCLUSION
MK-677 has been shown to provide numerous health benefits for individuals with certain conditions. Those with low bone density, those who have trouble sleeping at night, and individuals with catabolic conditions can all benefit greatly from the use of MK 677.
The ability of the MK 677 secretagogue to effectively secrete Growth Hormone and IGF-1 proves to be a useful tool for many different populations. MK 677 has been shown in numerous studies to benefit the elderly, those with obesity, have problems sleeping, have low bone density, and others. For these populations, MK 677 can be used as a helpful tool to combat issues that can be caused in large part due to a lack of Growth Hormone and IGF-1.
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