The Benefits of Ibutamoren MK-677

I am excited to bring you a very interesting weapon, for your fitness arsenal which is fairly new in the world of bodybuilding, called Ibutamoren MK 677.

Before I tell you about this compound I must first address some myths.  First, Ibutamoren MK 677 is often wrongly advertised and written about as being a SARM (selective androgen receptor modulator). It is actually a growth hormone secretagogue and a selective agonist of the ghrelin receptor.  Second, it differs from growth hormone and growth hormone peptidesdue to its selective nature and also because it does not need to be injected.


Ibutamoren MK-677 is in development to boost hormone deficiencies, including growth hormone and IGF-1 (insulin-like growth factor1) in adults, the elderly, and children.  It was originally branded as Oratrope and is considered by the FDA as an investigational new drug.  For the past year, it has been officially in the preclinical stage of development. 

In the meantime athletes, bodybuilders, and even normal joe gym rats have used Ibutamoren MK-677 to help them reach their various fitness goals.   Before I get into all the cool things it does, first let me explain how it works.

How it works

Ibutamoren MK-677 mimics ghrelin in the body.  Ghrelin is an endogenous hormone which is naturally produced in our gastrointestinal tract and works as a neuropeptide within the central nervous system.  It is popularly known as a potent appetite increaser. 

But it doesn’t just do that, it also has a huge effect on how energy is dispersed in the body.  This means it will change the way the body metabolizes fat, help suppress obesity, and help reverse type 2 diabetes. 

Ibutamoren MK-677, as a whole, will increase growth hormone and insulin growth factor1 WITHOUT increasing other hormones like cortisol or estrogen.  Another cool thing it does is it will not suppress your existing testosterone or growth hormone.

ibutamoren nutrobal (mk-677) results

Ibutamoren (MK-677) treated subjects had a 36% increase in serum IGF-I levels compared with the placebo-treated subjects, and this was associated with positive changes in nitrogen balance. – (JCEM)

Advantages over growth hormone or peptides

Ibutamoren MK 677 will actually ADD TO existing growth hormone.  This gives it a great advantage over exogenous growth hormone which will suppress you in that regard.  Also, the price of growth hormone is extremely expensive.  Even if you manage to find growth hormone that is reasonably priced there is a strong likelihood that it is generic from China, which means it is very underdosed or bunk.  The ironclad way to get real growth hormone is via an anti-aging clinic, however, the price will be in the thousands per year and you need a prescription.

Peptides that increase growth hormone are much cheaper than exogenously injected growth hormone.   However, like the latter, peptides are frequently faked or underdosed.  Plus you need to mix and inject them, and when you aren’t doing that you must take great care to keep them refrigerated or they will go bad.  And to make matters more complicated many times when they are constituted they will go bad since they are so sensitive to touch or movement.

With Ibutamoren MK 677 all you have to do is take it since it is available orally.  And you can store it in your closet for years without it going bad.

Athletic uses

So what are the benefits of using Ibutamoren MK 677 in real-world terms?

Boost Appetite

Many guys suffer from poor appetite, and we all know if you want to grow you have to eat.  Ibutamoren MK 677 will boost your appetite pretty quickly after you start using it, and users report they are able to eat much more food without feeling satiated.


Now you might think that eating more food will result in fat gain right?  Well not in this case.  Remember what I wrote earlier about how Ibutamoren MK 677 changes the way our body metabolizes energy.  So the beauty part of it all is you can eat more food, and still cut body fat.  And those who do manage to eat in a caloric deficit will find themselves shedding body fat like crazy on this stuff.

Better Sleep

Yet another benefit is sleep and sleep quality.  Many of us live high paced, stressed lives.  That is, unfortunately, modern society and things will never change in our lifetimes.  Ibutamoren MK 677 will not only help you sleep, but you will sleep much harder.  Users report sleep improvements in the first month of using. In addition, they also say they wake up in the morning feeling rested.

Faster Recovery

With this great sleep also comes faster recovery.  Not only indirectly will you recover, but Ibutamoren MK 677 will turbo-charge your muscle, soft tissues, and bone repairs.  You will notice you are sore less often. Also, you are able to take fewer breaks between workout days than before.

Muscle, Strength & Endurance Gains

The overall benefits of increased IGF-1 (insulin growth factor-1) and growth hormone will boost lean muscle mass, strength, wellness, and endurance. 

Ibutamoren MK 677 is great for ANY sport and all athletes.

Ibutamoren MK 677 increased GH and IGF-1 to match those of young healthy individuals without major side effects except a mild increase in glucose and insulin resistance levels. In this study it also increased lean body mass, subcutaneous fat and body weight over a 12-month period.

Side effects and How to use

Ibutamoren MK 677 is safe to run on a cycle, post cycle, or solo.

It is not suppressive and does not cause any sort of estrogenic or androgenic side effects.

SARMs Stacks

The best way to use it on cycle or post cycle is stacking it in at around 25mgs per day along with your other performance-enhancing drugs.   A popular stack for fat loss and endurance is using it with 20mgs a day Cardarine (GW 501516) and 10mgs a day LGD 4033 (Ligandrol Anabolicum).

Stacking it with Anabolic Steroids

Those who like to use steroids, and want lean muscle mass with limited sides, can stack it with Primobolan at 400-500mgs per week and Testosterone Injections at 200mgs a week.

Those who want to bulk up, and want super high appetite and mood, will use it with Deca Durabolin at 400mgs per week and Testosterone at 200mgs a week.

Using it Solo

When used solo Ibutamoren MK 677 should be used at 25-50mgs per day split dose AM/PM. 

You can run it for a short time or you can run it for months.  Many of the best benefits will start after 2-3 months. However, users still report good results when using it for 8-12 weeks.

Female use

Ibutamoren MK 677 is safe for females.  A dosage of 10-15mgs per day is ample for good results. Thus, it stacks well with every SARM (selective androgen receptor modulator).


Ibutamoren MK 677 half-life is about 6 hours.

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