MK 677 Only Cycle? | Everything You Need To Know About MK 677 | Ibutamoren | Nutrobal

Nicholas Downey
29 Jun 202218:15

Summary

TLDRIn this informative video, Dr. Downey delves into the details of MK-677, a growth hormone secretagogue that boosts ghrelin levels and IGF-1, promoting lipolysis and muscle growth. He discusses its benefits for bodybuilders, its high oral bioavailability, and safety trials in beagles. The video covers dosage protocols, effects on anabolic states, and long-term trials in elderly individuals, highlighting MK-677's potential for preserving muscle mass, improving bone health, and enhancing sleep quality. It also addresses potential side effects like increased appetite, water retention, and decreased insulin sensitivity, providing a comprehensive guide for those considering MK-677.

Takeaways

  • 🌟 MK677, also known as Ibutamoren, is a growth hormone secretagogue that works as a ghrelin receptor agonist, increasing levels of growth hormone and IGF-1.
  • 💊 It's used for its lipolytic effects and ability to increase muscle mass, which is beneficial for bodybuilders looking to stay lean while gaining size.
  • 🔍 MK677 was developed to be more selective and safer than traditional growth hormone, with fewer side effects and better oral bioavailability.
  • 🐕 Initial safety and pharmacokinetic studies were conducted on beagles, showing a half-life of 4-6 hours for MK677 and a 24-hour elevation of IGF-1 levels.
  • 📊 Dosage should be daily for optimal IGF-1 elevation; alternate day dosing was ineffective in studies.
  • 👦 In children, MK677 was shown to raise growth hormone and IGF-1 levels without affecting other hormones, but growth was not the focus of the adult-oriented video.
  • 🏋️‍♂️ A study on catabolic individuals demonstrated MK677's ability to maintain muscle mass during fasting, with a positive nitrogen balance.
  • 🦴 It has positive effects on bone remodeling, beneficial for the elderly or those with osteoporosis, as shown by improved osteoporosis markers in fracture patients.
  • 💤 MK677 has been shown to improve sleep quality, particularly deep sleep and REM sleep, with more pronounced effects in elderly individuals.
  • ⚠️ Side effects include increased appetite due to ghrelin stimulation, elevated blood sugar levels due to decreased insulin sensitivity, and potential for heart issues in elderly individuals with pre-existing conditions.
  • 🚫 MK677 does not require a post-cycle therapy (PCT) for hormones like testosterone as it does not inhibit the pituitary or hypothalamus, nor does it cause negative feedback on growth hormone production.

Q & A

  • What is MK-677 and how does it function differently from traditional growth hormone?

    -MK-677 is known as a growth hormone secretagogue, but it works differently by being a ghrelin receptor agonist. It increases the level of ghrelin, which in turn secretes growth hormone, rather than directly stimulating growth hormone production.

  • Why is growth hormone beneficial in terms of bodybuilding?

    -Growth hormone is beneficial for bodybuilding as it promotes lipolysis, the breakdown of fat, and increases muscle mass, allowing bodybuilders to maintain a lean physique while gaining size.

  • What role does IGF-1 play in the effects of growth hormone?

    -IGF-1, or Insulin-like Growth Factor 1, is stimulated by growth hormone and is measured to assess the effectiveness of growth hormone. It has a longer half-life in the bloodstream and is responsible for many of the anabolic effects seen in bodybuilders.

  • Why were growth hormone releasing peptides like MK-677 developed?

    -Growth hormone releasing peptides were developed to provide a more selective alternative to traditional growth hormone, which had safety concerns and side effects, such as increased risk of bone cancer.

  • What is the significance of MK-677's high oral bioavailability?

    -MK-677's high oral bioavailability means it can be effectively absorbed when taken by mouth, which is a favorable characteristic as it reduces the need for frequent injections and improves compliance with dosing regimens.

  • What was the half-life of MK-677 observed in beagle studies?

    -In beagle studies, MK-677 was found to have a half-life of about four to six hours, which is important for understanding proper dosing protocols.

  • How does the dosing frequency of MK-677 affect IGF-1 levels?

    -Studies in beagles indicated that for IGF-1 levels to remain elevated, MK-677 should be dosed daily. Alternate day dosing did not result in a significant increase in IGF-1 levels.

  • What was the effective dose of MK-677 in a study involving children?

    -In a study involving children, an effective dose of MK-677 was up to 0.8 milligrams per kilogram per day, which significantly raised growth hormone and IGF-1 levels without affecting other hormones.

  • How does MK-677 affect muscle mass in catabolic states?

    -In a study involving individuals in a catabolic state, MK-677 was shown to preserve muscle mass by maintaining a positive nitrogen balance even during fasting periods.

  • What was the impact of MK-677 on bone health in elderly individuals with fractures?

    -MK-677 demonstrated positive effects on bone remodeling in elderly individuals with fractures, improving markers of osteoporosis, although functional outcomes were not greatly improved.

  • What are some potential side effects of MK-677?

    -Potential side effects of MK-677 include increased appetite due to ghrelin stimulation, elevated blood sugar levels due to decreased insulin sensitivity, increased prolactin levels, and water retention which could potentially lead to heart issues in susceptible individuals.

  • Does MK-677 require a post-cycle therapy (PCT) for hormones such as testosterone?

    -No, MK-677 does not require a PCT for hormones like testosterone as it does not significantly impact these hormones or cause negative feedback on the pituitary and hypothalamus.

  • What was the observed impact of MK-677 on sleep quality in studies?

    -Studies showed that MK-677 increased deep sleep (stage four sleep) and REM sleep duration, with more pronounced effects in elderly individuals.

  • How did MK-677 affect LDL cholesterol levels in a two-year trial with elderly individuals?

    -In the two-year trial, the MK-677 group showed a decrease in LDL cholesterol levels compared to the placebo group.

  • What dosage of MK-677 is commonly used in studies?

    -The dosage of MK-677 commonly used in studies is 25 milligrams per day, which was found to have minimal adverse effects.

Outlines

00:00

😀 Introduction to MK677 and Its Effects

Dr. Downey introduces the video on MK677, a growth hormone secretagogue, explaining its role as a ghrelin receptor agonist that increases growth hormone levels. He discusses the benefits of growth hormone for bodybuilders, such as lipolysis and muscle mass increase, and the importance of IGF-1, which is stimulated by growth hormone and serves as a long-term indicator of its effects. The video promises a comprehensive overview of MK677, including its creation, safety trials, and pharmacokinetics, with a focus on its oral bioavailability and dosing protocols based on studies in beagles.

05:03

💉 MK677 Studies and Anabolic Effects

This paragraph delves into the studies conducted on MK677, including its effectiveness in raising growth hormone and IGF-1 levels without interfering with other hormones. It highlights a study showing MK677's anabolic properties by maintaining a positive nitrogen balance in a catabolic state. The benefits for elderly individuals, such as positive bone remodeling and improved markers for osteoporosis, are also discussed. Additionally, a study on healthy men indicates a significant increase in fat-free mass with no change in fat mass, while noting the increase in prolactin levels and the necessity for daily dosing for optimal IGF-1 elevation.

10:06

💤 Sleep Improvement and Side Effects

The third paragraph focuses on the positive impact of MK677 on sleep quality, with studies showing increased deep sleep and REM sleep duration in both young and elderly individuals. However, it also addresses potential side effects, such as the risk of heart failure in elderly individuals with pre-existing conditions, increased appetite due to ghrelin stimulation, and the impact on blood glucose levels and insulin sensitivity, which may be concerning for diabetics or the elderly. The paragraph also mentions other side effects like increased prolactin levels and water retention, advising caution and monitoring for individuals at risk.

15:07

🚫 Safety, Side Effects, and Considerations for Use

In the final paragraph, Dr. Downey discusses the long-term safety of MK677 based on trials with elderly individuals, noting no adverse effects in many studies. However, he also highlights the common side effect of increased appetite and the need for caution regarding blood pressure and water retention. The paragraph addresses concerns about growth hormone suppression and the need for post-cycle therapy, concluding that MK677 does not inhibit the pituitary or hypothalamus and does not require a hormone recovery protocol. Recommendations for dosage and cycle length are provided, with a reminder to monitor blood pressure and consider the impact on blood glucose levels.

Mindmap

Keywords

💡MK-677

MK-677, also known as Ibutamoren, is a growth hormone secretagogue that works as a ghrelin receptor agonist. It increases the levels of ghrelin, which in turn stimulates the release of growth hormone. In the video, it is discussed as a substance that can increase muscle mass and promote fat breakdown, which is beneficial for bodybuilders and fitness enthusiasts. The script mentions MK-677 as the central topic of the video, emphasizing its effects on growth hormone and IGF-1 levels.

💡Growth Hormone

Growth hormone is a peptide hormone that stimulates growth, cell reproduction, and cell regeneration in humans. In the context of the video, it is highlighted for its role in lipolysis (fat breakdown) and increasing muscle mass, which are desirable effects for bodybuilders. The script explains that MK-677 increases growth hormone levels, contributing to its popularity among athletes.

💡Ghrelin

Ghrelin is a hormone that stimulates appetite and growth hormone release. The video script describes MK-677 as a ghrelin receptor agonist, meaning it mimics the action of ghrelin, leading to an increase in growth hormone secretion. This is a key mechanism by which MK-677 is believed to promote muscle growth and fat loss.

💡IGF-1

Insulin-like growth factor 1 (IGF-1) is a hormone highly correlated with growth hormone levels. It plays a crucial role in growth and development. The video emphasizes that IGF-1 is stimulated by growth hormone and is a longer-lasting indicator of the hormone's effects. MK-677 is shown to elevate IGF-1 levels, which is important for its anabolic effects.

💡Lipolysis

Lipolysis refers to the breakdown of lipids or fats in the body. In the video, it is mentioned that growth hormone, which is increased by MK-677, facilitates lipolysis, aiding in fat loss while preserving or increasing muscle mass, a highly sought-after effect in bodybuilding and fitness.

💡Pharmacokinetics

Pharmacokinetics is the study of how a drug moves through the body, including its absorption, distribution, metabolism, and excretion. The script discusses the pharmacokinetics of MK-677, noting its half-life and the duration for which IGF-1 levels remain elevated, which is crucial for understanding dosing protocols.

💡Anabolic

Anabolic refers to the process of building up or increasing in size, often associated with muscle growth. The video script uses the term 'anabolic' to describe the effects of MK-677, indicating that it promotes muscle protein synthesis and can help preserve muscle mass in catabolic states.

💡Catabolism

Catabolism is the set of metabolic pathways that break down molecules in cells, resulting in the release of energy and the breakdown of complex molecules into simpler ones. In the context of the video, MK-677 is shown to have a positive effect on individuals in a catabolic state, helping to maintain muscle mass during fasting or periods of muscle breakdown.

💡Side Effects

Side effects are any undesirable effects caused by a medication or substance. The video script discusses various side effects associated with MK-677, including increased appetite, water retention, and potential impacts on blood glucose levels and heart health. Understanding these side effects is important for individuals considering the use of MK-677.

💡Hormone Replacement Therapy (HRT)

Hormone replacement therapy involves the administration of hormones to replace those that the body no longer produces in adequate amounts. The script mentions MK-677 in the context of HRT, particularly for elderly individuals, to improve muscle mass and bone health, although it does not significantly impact testosterone levels.

💡Prolactin

Prolactin is a hormone responsible for milk production in females and has various other functions in both sexes. The video script notes that MK-677 can significantly increase prolactin levels, which may have individual-specific effects and could require monitoring through blood tests.

💡PCT (Post Cycle Therapy)

Post Cycle Therapy refers to the treatment or supplementation taken after a cycle of anabolic steroids or other performance-enhancing drugs to restore the body's normal hormonal balance. The script clarifies that MK-677 does not require a PCT because it does not cause negative feedback on the pituitary and hypothalamus, thus not suppressing intrinsic growth hormone production.

Highlights

Dr. Downey releases a comprehensive video on MK-677, summarizing extensive research.

MK-677 is a growth hormone secretagogue, not working via the traditional growth hormone pathway but as a ghrelin receptor agonist.

Growth hormone benefits include lipolysis and increased muscle mass, appealing to bodybuilders for maintaining leanness while gaining size.

IGF-1, stimulated by growth hormone, is crucial for bodybuilding effects and is used to measure the hormone's efficacy.

MK-677 was developed for increased selectivity and safety compared to traditional growth hormone, with fewer side effects.

MK-677 has high oral bioavailability, a significant advantage over earlier growth hormone releasing peptides.

Pharmacokinetic studies in beagles show MK-677's half-life is 4-6 hours, with IGF-1 levels elevated for about 24 hours.

Daily dosing of MK-677 is necessary for consistent IGF-1 elevation, as alternate day dosing does not significantly increase IGF-1 levels.

In children, MK-677 at 0.8 mg/kg/day was found effective in raising growth hormone and IGF-1 without interfering with other hormones.

A 1998 study showed MK-677 preserved muscle mass in catabolic states, beneficial for the elderly and those with wasting conditions.

MK-677 demonstrated positive effects on bone remodeling, potentially beneficial for the elderly with osteoporosis or fractures.

In a trial with healthy men, MK-677 at 25 mg/day resulted in a 3 kg increase in fat-free mass compared to placebo.

Long-term trials with elderly individuals showed MK-677's safety and efficacy over two years, with increased fat-free mass and decreased LDL cholesterol.

MK-677 has been shown to improve sleep quality, particularly increasing deep sleep and REM sleep stages.

Some studies suggest a potential risk of heart failure with MK-677 use in elderly individuals with pre-existing conditions.

MK-677 causes elevated blood sugar levels by decreasing insulin sensitivity, a consideration for diabetics or the elderly.

Increased prolactin levels are a common side effect of MK-677, but individual symptomatology may vary.

MK-677 does not cause growth hormone suppression and does not require a post-cycle therapy for hormones like testosterone.

Transcripts

play00:00

hi guys welcome back to the channel i'm

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dr downey and today

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i am finally releasing the video on

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mk677

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so i've spent many hours looking at the

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research around

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mk677 so that i could put it together in

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a summarized format for you all to

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inform you about everything that there

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is or almost everything that there is so

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essentially this video is everything you

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need to know about mk677

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or almost everything you need to know

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because i'm sure i've missed out on a

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few things

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so the title of the video is just an

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mk677 only cycle

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that's more to draw in attention but i

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will briefly touch on that

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but for the most part i'm just going

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over everything about mk 677 so that you

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guys know what you're taking

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so mk 677 is known as a growth hormone

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secretary however it doesn't really work

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via that pathway it's more of a ghrelin

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receptor agonist and it increases the

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level of ghrelin which secretes growth

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hormone

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but essentially all you need to know is

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that it does increase the levels of

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growth hormone and why is growth hormone

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so beneficial well it causes lipolysis

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or breakdown of fat as well as

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increasing muscle mass and a lot of big

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bodybuilders like this drug because it

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keeps them lean while putting on size

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so there are many growth hormone

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receptors but the main actions i don't

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want to say main actions but a lot of

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the effects that we see in bodybuilders

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come mainly from igf-1 now igf-1 is

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stimulated by growth hormone and we

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measure igf-1 to see if the growth

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hormone is working so growth hormone

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essentially stimulates these receptors

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on the liver and this creates igf-1

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so growth hormones half-life is quite

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short and it's secreted in like a

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pulsatile manner because of this short

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half-life however igf-1 stays in the

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bloodstream a lot longer and when

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looking at these drugs it's important

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for us to look at how long the igf-1

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levels are elevated not growth hormones

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since igf-1 is more important if from a

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bodybuilding aspect why were things like

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mk677 created

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well we have been using growth hormone

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for a long time especially in children

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with short stature however there were

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concerns about the safety around growth

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hormone especially with regards to the

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increase in mortality and older studies

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that they found however nowadays they

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found that that may not be the case but

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there are a lot of side effects like

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bone cancer prominence was increasing so

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they wanted to see if they could make

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something a bit more selective

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so essentially they started making these

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growth hormone releasing peptides that

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was initially made and the issue with

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them is whilst they were a tad bit more

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selective

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they required frequent injections and

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another issue was that it was poorly

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orally bioavailable

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but over time and over a lot of

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experimentation they eventually found

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this substance that could stimulate the

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growth hormone releasing peptide 6

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receptor

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and this was a derivative of a

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a benzolactin

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and it had a very long name but

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essentially this came to be what we know

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as mk677

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and the favorable thing about mk677 is

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it had very high oral bioavailability so

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they started off safety trials in

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beagles and unfortunately a lot of our

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studies on the pharmacokinetics are

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based on beagles and we haven't really

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done many in humans but essentially in

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this two-week trial they found it to be

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safe and then it proceeded to go into

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further development so i always like

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touching on the pharmacokinetics so you

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can understand proper dosing protocols

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and it is stated but remember this is in

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beagles that mk 677 has a half-life of

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about four to six hours so that's mk 677

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itself but in these studies they noted

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that the important factor which is igf-1

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is seems to be elevated for about 24

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hours

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so what this means is that if you want

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that igf-1 level to be constantly

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increased you need to do it every day or

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dose it every day they found that if you

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did every other day dosing in these

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beagles that you would not get the

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significant increase in igf-1 levels and

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this increase was about

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124 percent or 26 sorry so just remember

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there was no increase noted on alternate

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day dosing which means it has to be

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dosed every day so let's look at the

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safety of this drug and obviously you

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want to see if it's safe in children

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because that's why it was kind of

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designed

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obviously there are other purposes of it

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too for

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elderly individuals and people like that

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so in one of the first studies on

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mk677 in children they used a dose or

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they dusted up to 0.8 milligrams per kg

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a day and they found that this rain this

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dose was effective to significantly

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raise growth hormone as well as igf-1

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and it did not interfere with any of the

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other hormones like prolactin or messing

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around with the thyroid hormones however

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in the study they did not look at growth

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specifically

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i'm not going to look at growth either

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because this is for adults not this

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video is for adults not children

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so let's see if mk 677 is anabolic as

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everyone says it is

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so in this one study in 1998 they looked

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at individuals in a catabolic state so

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in a state where they were essentially

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in a deficit and muscle protein

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synthesis was or muscle protein

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breakdown was greater than that of

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synthesis

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so in this trial they were given 25

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milligrams they were compared to placebo

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and what they found was that in this

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trial

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the individuals who were taking mk 677

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had a positive daily nitrogen balance

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even though they were fasting so the

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individuals were forced to fast during

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this period to put them in a catabolic

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state

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and it found that the mk-677 group

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actually had a positive nitrogen balance

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which means that they had a positive

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protein balance or muscle balance

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not

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not really but that's essentially what

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it means and in the placebo group they

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actually had quite a significant

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negative nitrogen balance

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so this essentially demonstrated that

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mk677

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preserve muscle mass or tissue in

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catabolic states which is a good sign

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for the elderly and people with wasting

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conditions furthermore not much

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important to any of you guys since um i

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doubt any of you have osteoporosis or

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osteopenia but it did show that it was

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very favorable in bone positive bone

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remodeling so good for the elderly

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especially if they had fractures

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and when they looked at individuals with

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fractures it did improve the markers of

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osteoporosis however functional outcomes

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were not that greatly improved

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what was interesting though was in the

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study igf-1 levels were significantly

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increased in comparison to placebo and

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this again was in 20 using a dose of 25

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milligrams

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so in the

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in the mk-677 group of 25 milligrams a

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day

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the increase in igf-1 levels were 84

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percent and in placebo 17

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and the 84 did reach statistical

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significance

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but the two studies i just mentioned

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were in elderly individuals what about

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in healthy men

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so there aren't many studies on this but

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there was a double blind randomized

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control trial which we do like because

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we get to see if there's causation as

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opposed to correlation

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and in this study they had 24 men and

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they found that in the mk 677 group when

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compared to placebo they gained three

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kilograms of fat-free mass more than the

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placebo group

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and this was again at 25 milligrams a

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day however they did not show any change

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in abdominal or visceral fat mass which

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you'll see often reported since growth

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hormone is actually

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has actually been shown to decrease

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visceral and abdominal fat mass

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of note and what many people will

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mention is that in the study the serum

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prolactin so prolactin levels were

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greatly or significantly increased just

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like the growth hormone levels

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but we'll touch on that again later

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and we in fact do have long-term trials

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which is good from a safety point of

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view so there was a double blind

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randomized control trial which is good

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on 65 healthy elderly individuals and

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they lasted two years and they found

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that in the group using 25 milligrams of

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mk-677 a day growth hormone as well as

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igf levels were equal to that of their

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healthy of healthy individuals and

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you'll see a lot of people reference the

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study

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of note also is that fat free mass

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increased in the mk 677 group they all

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gained

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on average a kilogram of lean muscle

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mass

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in contrast to the placebo group which

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actually lost fat free mass

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of interest also is that their ldl

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cholesterol the bad cholesterol also

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decreased

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however this fat free mass increase was

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not accompanied by any increase in

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strength

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or fat loss now a side effect or

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positive that many individuals will note

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when taking mk 677 and that is sleep and

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this has been demonstrated in trials in

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a smaller crossover study in eight young

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males they found that

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in this study those taking 25 milligrams

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of mk67 the seven a day had a 50

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increase in stage four sleep duration

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and if i'm not mistaken stage four sleep

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is essentially

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deep sleep the sleep before rem sleep

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and these individuals also had a 20

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increase in rem sleep but what was

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interesting is that in older individuals

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there was a massive increase in the

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benefit that it had on sleep and that

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was demonstrated by elderly individuals

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having a 50

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increase in rem cycle sleep but let's

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look at the side effects

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so

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many may look at these studies and see

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that mk 677 in the one study increased

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the risk of congestive heart failure or

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heart failure however not many people

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understand what heart failure is firstly

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these individuals in the group were

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already

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elderly not young and healthy

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furthermore they had high baseline blood

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pressure

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and lastly heart failure is not really

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an acute condition

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people commonly think heart failure and

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heart attacks are synonymous but

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essentially heart failure is more of a

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disease

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of chronic conditions such as

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chronically high blood pressure

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previous

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heart attacks can lead to heart failure

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which is where the heart just doesn't

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have enough strength to pump a heart

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attack is where muscle in that

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in the myocardium dies

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and what happens is when you get older

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the increase you have an increased risk

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of getting a weaker heart and something

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like

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mk677 which will increase your water

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retention as well as possibly your blood

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pressure can precipitate

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can precipitate

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decompensation of an already weakened

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heart

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however in the study

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they noted that the prevalence was about

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6

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in these elderly individuals and if you

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look at the prevalence of heart failure

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in elderly individuals as a whole

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it's six percent

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so i think it is important to note it

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however although you won't get heart

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failure unless it's chronic like over

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the course of many years

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you won't get heart failure using mk677

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but the side effects can precipitate

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heart failure or

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or lead you to having an enlarged heart

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over the course of

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a few years how it does this we're not

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too sure it's probably similar to that

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of growth hormone by increasing the ras

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system water retention increasing your

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blood pressure things like that can lead

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to a weakened or enlarged heart which

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leads to

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heart failure

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however in many other studies and

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healthy elderly individuals one with 161

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elderly individuals over six months

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noted no adverse effects

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as well as in another smaller trial with

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32 healthy in elderly individuals they

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also noted no adverse effects

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however in the two-year trial that we

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mentioned previously one of the effects

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that was noted quite commonly or 67

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percent of the individuals actually

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noted this is that they had an increased

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appetite and this isn't surprising since

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it stimulates ghrelin the hunger hormone

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of interest there were fewer deaths in

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the mk-677 group but when confounding

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variables were controlled for it didn't

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appear to seem to be related to the

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mk677

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now one side effect that is demonstrated

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in all studies and i would recommend or

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i think is important to know and that is

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what it does to your blood glucose or

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sugar

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so it causes elevated sugar levels

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and it does this through decreasing your

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insulin sensitivity

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so it's quite commonly demonstrated that

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in these studies that the individuals

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taking mk-677 had higher fasting glucose

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levels

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and this led to an increase in hba1c

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levels so hba1c is your glycated

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hemoglobin and essentially is a marker

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for

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long-term glucose control

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and that was increased in the

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individuals taking mk-677

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it did reach statistical significance

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and this was at a dose of 25 milligrams

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so i think it is important to note

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whilst i don't think

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it would have much of an impact on a

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healthy younger individual if you are

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diabetic or our elderly i would take

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this into account and take precautionary

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measures whether it be through dietary

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manipulation the use of anti-glycemic

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agents such as metformin i think that's

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important to take into consideration

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other side effects include increased

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prolactin levels which we mentioned

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it is a significant increase but whether

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or not it will be significant in you and

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you will become symptomatic is really

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individual dependent i would recommend

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getting blood tests if you do think you

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have symptoms of high prolactin levels

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a big issue is water retention so i

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would limit your salt intake and ensure

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your blood pressure is controlled as

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this was probably the main reason for

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those cases of heart failure in those

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studies people have mentioned that free

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testosterone decreases which has been

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shown in a study and it did reach a

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level of significance however it did not

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make the participants hypogonadal the

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decrease just reached statistical

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significance it didn't decrease it to

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the point of becoming hypogonadal

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does it cause growth hormone suppression

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well actually these secretogs were

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created in order not to inhibit the

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pituitary and hypothalamus they they

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work at the pituitary and hypothalamus

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but don't cause negative feedback

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so after stopping the secretogs there is

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no need to do a growth hormone pct

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as they do not cause negative feedback

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and do not cause your intrinsic growth

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hormone production levels to decrease do

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you need a pct for your hormones such as

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testosterone no since it does not

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significantly impact

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those hormones some recommend a pct with

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metformin that is really up to you and

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whether or not you feel your fasting

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glucose levels were impacted greatly but

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again you'd have to get that checked you

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can't go off feeling

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so that is almost all there is on mk677

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so far i tried my best to get all the

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data on humans as i don't like looking

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at data in rats and animals

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as a lot of the time it's not really

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applicable to humans but it's a it

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starts off as a good basis but once we

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have human trials we'll use those

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instead

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so if you are looking to run this as a

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mk677 only cycle the dosages they seem

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to use are 25 milligrams again i'm a

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doctor so i don't recommend this but 25

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milligrams seems to be the doses that

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was used with minimal adverse effects

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the length of your cycle is really up to

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you as we have demonstrated that

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up for up to two years it was used

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safely with not many adverse effects and

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it did have an increase in fat-free mass

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but the increase in strength and

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decrease in abdominal fat wasn't really

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demonstrated in these studies

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but just keep an eye on your blood

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pressure as water retention is quite

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commonly reported so let me know what

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you think about this video in the

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comments down below and i will see you

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in the next one

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Связанные теги
MK677Growth HormoneBodybuildingMuscle MassFat LossIGF-1AnabolicPharmacokineticsHealth BenefitsSide EffectsResearch Summary
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