Ibutamoren is also called MK-677 or Nutrobal or Ibutamoren Mesylate. It is not a SARM (Selective androgen receptor modulator) although it is marketed as a SARM. It’s actually a growth hormone secretagogue (GHS) that has the capability to stimulate the growth hormone levels and the Insulin-like growth factor (IGF-1).

Ibutamoren was being studied to be a natural alternative for hormone replacement more than 15 years ago. That is when it came into the spotlight. It was being studied to help in therapy for adults and children suffering hormonal deficiencies. The drug is still being studied and it has the potential to be used in the treatment for hormonal deficiencies and also used for improving the density of bones in geriatric patients.

The growth hormone is needed for the body to perform optimally. Ibutamoren Mesylate helps in its stimulation and also promotes the development of tissues and muscles in the body. As at now, Ibutamoren is only legally available as a chemical for research not for human consumption. People can still access it and buy for its benefits on the body.


1. Promotes the growth of muscles

Muscle growth is one of the main benefits of using MK-677 due to increased stimulation of growth hormones and IGF-1 levels. A lot of people who have used it have been able to put on size easily and build muscle tissue.

2. Improved sleep

Using MK-677 leads to improved sleep quality and pattern. This could be why it promotes muscle growth because sleep is very important for body recovery after workouts.

3. Improved body metabolism

Ibutamoren positively affects how the body metabolizes fat. Additionally, it regulates the distribution of energy in the body. It promotes the loss of fats and it can help in treating diseases like obesity and Type 2 diabetes.

4.Treating Catabolic Conditions

Ibutamoren is the body reverses the nitrogen wasting that is induced from the diet. These anabolic effects are short term and if they can be maintained it can be used to treat catabolic conditions in patients who are catabolic due to certain chronic diseases.

5. Improved skin, nails, and hair

The Growth hormone and IGF-1 that are stimulated ones a person intakes MK-677 have a positive impact that leads to improvement on the skin, hair, and nails.

6. Used in bodybuilding

The popularity of MK-677 in bodybuilding increases every day. This is because it increases the growth hormone levels that are very essential for the body when building muscle. The higher you get your growth hormone levels, the more you will get extra muscle mass and the easier it will be. Use of Ibutamoren significantly helps you put on muscle whilst the body also loses some fat.


These side effects that accompany the consumption of Ibutamoren are mainly caused by the increased levels of the growth hormone in the body. The side effects, however, may not appear on everybody. These are the side effects you can expect.

1.Ibutamoren can cause swollen body joints

2.Increased appetite and that could result in extreme hunger sometimes. One hour or two after consumption, one can get very hungry especially if you intake a higher dosage.

3.Numb skin and sometimes tingling sensation on skin feeling like you are being pricked with needles or pins.

4.It can bring pain in the muscles and joints

5.Leads to fluids build up inside the body hence causes the water retention in the body to increase.

6.Lethargy; feeling of extreme fatigue, apathy, laziness, drowsiness or prolonged sleep.


Based on the research the optimal dosage of Ibutamoren to be consumed is between 10 to 30 mg per day. A higher dosage may not give better results once in taken but can lead to increased side effects. You can arrange your dosage also according to the specific work you want Ibutamoren to do. Consume 30 mg a day for building muscle, Intake 20mg a day for fat loss and for recoveries or healing injuries you can intake 10-20 mg a day. For people who are experimenting for the first time, you can start with 10 mg of Ibutamoren to see how it will react with your body.


Ibutamoren effects and results in the body can take time before they show. It can take approximately a week or two. Consume it for a longer period of time to ensure that the growth hormone levels build up gradually in your body.

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