Research Pharma MK-677 Pro – 12.5mg x 60 (Discontinued)


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Research Pharma MK-677 Pro is not a Selective Androgen Receptor Modulator (SARM). It is a Research Chemical of the secretagogue class. More specifically it is a growth hormone secretagogue. This GHS (Growth Hormone Secretagogue) is an orally active compound that signals for the pituitary gland of test subjects to secrete growth hormone.

  • 12.5mg x 60 Research Pellets
  • Absorb Core base to improve bioavailability and extend the half-life
  • Piperine 5mg for improved absorption
  • Effective for bulking, cutting or body recomposition
  • Enhances fat loss
  • Promotes healing and injury repair
  • Excellent as a bridge between prohormone cycles
  • Great for increasing aerobic and anaerobic endurance
  • Non-toxic to the liver
  • Non-hormonal
  • Does not require PCT
  • Safe for long-term use (3-6 months recommended)

The Pro version of MK-677 contains an “Absorb Core” base to improve bioavailability and to extend the half-life of the compound, making it one of the strongest and most efficient on the Research Compound market.

How MK-677 Works

MK-677 promotes the secretion of the growth hormone (GH) and increases insulin-like growth factor 1 (IGF-1). It increases growth hormone levels by mimicking the action of the hormone ghrelin and binding to one of the ghrelin receptors (GHSR) in the brain.

Combined with the appropriate diet and exercise regimen, Ibutamoren will effectively increase muscle protein synthesis alongside much improved fat loss, as well as rapid recovery.

Results to Expect From Research Pharma MK-677 Pro

MK-677 was developed with the aim of combating such conditions as muscle wasting, obesity and osteoporosis. This makes it an ideal candidate compound for researchers working on the effects of Grown Hormone levels and associated changes in physiology, muscle mass and changes to body mass index.

The administration of MK-677 within test subjects can stimulate significant changes in Muscle Mass and density. MK-677 will also greatly increase the appetite of any test subject. As MK-677 acts as a GHS, it is non-suppressive. This means that suitable research projects can extend from a period of 30 days to 1 year. One added benefit is MK-677’s ability to greatly improve sleep quality, which ultimately boosts recovery.

One human study shows impressive results in a group of males given MK-677, showing a significant increase in lean muscle mass in just two months. That same study showed that serum IGF-I increased by approximately 40% with Ibutamoren MK-677 treatment.

How to Use Research Pharma MK-677

The half-life of MK-677 is 24 hours so the dosage can be taken once per day.

Ibutamoren is usually taken at 25mg per day but also works well at lower doses. Even 5-10mg is enough to produce numerous GH pulses over the course of a day.

Some users have reported more pronounced effects at higher doses of around the 25mg range but there is significant anecdotal evidence to suggest a higher dose comes with more side-effects such as lethargy and increase in appetite.

Whether you take MK-677 in the morning or before bed is down to personal preference. Some people prefer pre-bed to avoid some of the side effects such as lethargy but may disrupt sleep if the user experiences hunger pangs.

Some people find that taken first thing in the morning will improve sleep quality but may experience more lethargy during the day. These side effects are dose-dependent. Ultimately you can experiment and find what works best for you.

MK-677 is safe to use for both men and women as it doesn’t affect the amount of testosterone or estrogen the body produces. This means that there is zero-risk of specific hormonal imbalances and unwanted side-effects like puffy nipples, heightened aggression or hair loss.

Find out more in our guide to MK-677.

Research Pharma MK-677 Side Effects

The most common side-effects experienced with Research Pharma MK-677 include slight lethargy, some experience increased appetite, although this isn’t always a negative side-effect for those who need some help gaining weight/bulking.

Research Pharma MK-677 Pro Contents

MK-677 12.5mg x 60 Research Pellets
Pellet weight 166mg +/-5%

Contents per Pellet:
Ibutamoren 12.5mg
Piperine 5mg
Naringin 12.5mg
DiCalcium Phosphate 60mg

Binder: Microcrystalline Cellulose
Blue colouring
White colouring

Note: Research Pharma MK-677 is for sale on this site for Research Purposes only. By purchasing from this site, you are agreeing to use this compound for Research Purposes.

Additional information

Weight 60 g


MK-677 (Ibutamoren)


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