Home » Ibutamoren (MK-677): Reviews, Complaints, Warnings, & Side Effects

Ibutamoren (MK-677): Reviews, Complaints, Warnings, & Side Effects

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Ibutamoren MK-677 stimulates the production of human growth hormone (HGH) and insulin-like growth factor-1 (IGF-1). It may enhance fat burning, increase muscle mass, improve skin quality, and better sleep.  

Ibutamoren MK-677 is a non-peptide agonist of the Ghrelin receptor. It could increase lean body mass without fat accumulation. It was made to treat low growth hormone levels without increasing cortisol.

Ibutamoren MK-677 interests bodybuilders and fitness enthusiasts for its said muscle-building benefits. However, it is essential to be aware of the potential health risks associated with its use, as its anabolic properties may lead to unpleasant consequences.

In this Ibutamoren MK-677 review, I will explore the features and adverse effects of MK-677. I have also discussed a safer alternative to Ibutamoren MK-677. 

Continue reading through the end of this unbiased Ibutamoren MK-677 review to know its exclusive details. 

What is Ibutamoren MK-677?

Ibutamoren MK-677 is a potent growth hormone secretagogue preferred by bodybuilders and athletes. It may activate the GF-IGF axis, boosting growth hormone secretion by 97%.

Ibutamoren MK-677 may enhance the natural production of HGH, associated with cell regeneration and muscle growth. 

It may increase the production of IGF-1, which may promote muscle gains and help regulate energy metabolism. Ibutamoren MK-677 may increase plasma levels without impacting cortisol levels.

However, Ibutamoren MK-677 is included in the prohibited list of WADA, which makes it a questionable substance. 

Ibutamoren Reviews

How Does Ibutamoren MK-677 Work?

Ibutamoren MK-677 acts as a ghrelin receptor agonist in the brain, stimulating the natural production of human growth hormone (HGH) and insulin-like growth factor 1 (IGF-1) in the body. 

It may enhance physical strength, muscle gains, improved energy levels, and better sleep. Ibutamoren MK-677 consumption may enhance the quality of bedtime by increasing RKM sleep.

MK-677 may enhance the natural production of HGH and IGF-1, promoting cell regeneration and muscle growth and helping regulate energy metabolism.

However, it is essential to note that MK-677 is a strong and potentially dangerous chemical that is strictly banned and may cause adverse effects on health. Ibutamoren MK-677 is an investigational new drug and is not approved for human use.

Also See: Ibutalean Reviews: A Legal Alternative To Ibutamoren? [Test Results]

Ibutamoren MK-677 Benefits

  1. Increases Fat Burning

    Ibutamoren MK-677 may effectively increase metabolic rate and promote the breakdown of stored body fat, enhancing fat burning and helping in weight loss. It may help release fatty acids for energy utilization.

  2. Improve Bone Density

    Ibutamoren MK-677 may promote stronger bones and prevent serious injuries. It may help in bone formation and remodeling. Ibutamoren MK-677 may help maintain strong bones and reduce the risk of fractures.

Side Effects Of Ibutamoren MK-677

  1. Muscle Pain

    Muscle pain could be a side effect associated with the use of Ibutamoren MK-677. MK-677 may cause muscle discomfort and soreness, leading to muscle hypertrophy and increased stress on the muscles. It may cause aches while walking or sitting, reducing joint mobility.

  2. Headaches And Migraines

    Elevated doses of MK-677 may increase the occurrence of headaches and migraines. It may cause difficulty in concentrating and may damage your daily activities. Severe headaches and migraine with the consumption of Ibutamoren MK-677 may lead to vomit and nausea.

  3. Water Retention

    When taking MK-677, people may experience increased water retention, leading to a bloated or swollen appearance. It occurs because MK-677 stimulates the release of human growth hormone (HGH) and insulin-like growth factor 1 (IGF-1), which can cause fluid retention in the body.

  4. Flatulence

    MK-677 could cause an increase in gas production, leading to excessive flatulence making it uncomfortable and embarrassing for some people. Consumers may experience bloating, cramps, and pain due to flatulence caused by MK-677.

  5. Bloating

    Taking high doses of MK-677 can significantly increase bloating. Bloating may cause a feeling of fullness or tightness in the abdominal part, often accompanied by gas and discomfort. Ibutamoren MK-677 inappropriate consumption may cause distension and swelling.

  6. Heart Attacks

    Ibutamoren MK-677 may cause cardiac strain, which could lead to heart attacks, mainly when used excessively or for extended periods. It is advised to avoid MK-677 if you have any pre-existing heart conditions or a family history of heart disease.

  7. Brain Damage

    The use of MK-677 for prolonged periods is associated with the risk of brain damage as it leads to chronic activation of ghrelin receptors. It may cause brain fog, difficulty focusing, and interrupt your thinking ability. 

  8. Increased Anxiety

    Ibutamoren MK-677 could trigger an increase in anxiety levels due to its effect on the brain, leading to feelings of uneasiness and restlessness. 

  9. Heart Problems

    Heart issues such as heart palpitations, arrhythmias, and even heart failure could be a potential side effect of Ibutamoren MK-677. When used in high amounts, MK-677 may cause elevations in blood pressure and an increase in heart rate.

Ibutamoren MK-677 Alternatives

One potential alternative to Ibutamoren MK-677 is Ibuta 677 from CrazyBulk. The makers claim it is a legal SARM that may offer similar benefits without causing adverse health risks. 

The official website mentions that Ibuta 677 is made from all-natural ingredients. Ibuta 677 may enhance muscle growth, improve energy levels, increase endurance, and speed muscle recovery.

Ibuta 677 claims to boost vascularity and also improve mental focus. The makers assert that Ibuta 677 may help in increasing recovery times. 

According to the official website, Ibuta 677 boosts your focus and can help you improve your workout performance. 

When taking Ibuta 677, the makers mention it could make you feel more alert while lifting weights. Ibuta 677 boosts energy levels to push you through the day.


Ibuta 677
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  • Alternative To: Ibutamoren (MK677)
  • Brand: Crazybulk
  • Price: $69.99
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Budget Friendly Ibutalean
  • Alternative To: Ibutamoren (MK677)
  • Brand: Brutal Force
  • Price: $59.99
  • Deal: Buy 2 Get 1 Free


Frequently Asked Questions

How Does Ibuta 677 From Crazybulk Imitate the Action of MK-677?

Ibuta 677 from CrazyBulk is a legal SARM that boosts the growth of lean muscle mass, increases physical energy, strength, and endurance, and promotes faster muscle recovery.

What Ibutamoren MK-677 is used for?

Ibutamoren MK-677 is used for muscle building and better bone density. However, Ibutamoren MK-677 may cause adverse effects more than benefits. 

Is Ibutamoren MK-677 a steroid?

Ibutamoren MK-677 is a ghrelin agonist and a growth hormone (GH) secretagogue. WADA prohibits Ibutamoren MK-677 for human use.


Ibutamoren MK-677 may offer better endurance and stamina to support massive gains. However, it is an illegal substance under investigation and not approved for athlete’s use.

Do not be tempted to try Ibutamoren MK-677 benefits, as it could ruin your sporting career. Moreover, this substance can harm your health and has dangerous side effects. 

It is illegal to possess Ibutamoren MK-677 without authority. While it could support muscle building, Ibutamoren MK-677 can cause excessive fluid retention and heart problems. 

You should improve your workout quality and perform compound lifting during gym sessions. Eat a high-protein diet with green vegetables, salmon, chicken, etc, to support your strength and muscle gain goals. 

However, if you seek a safer alternative for boosting vascularity, Ibuta 677 by CrazyBulk could be a suitable option. It may support fast muscle recovery and enhance mood by increasing HGH and muscle growth.

You should consult a doctor before considering Ibuta 677 or any other performance-enhancing substance.

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