MK 677 (Ibutamoren) High Strength (50mg/ml)


Research studies found MK-677:

  • Increases Growth Hormone & IGF-1 Levels
  • Greatly Improve Lean Muscle Growth
  • Improves Metabolism & Energy Output
  • Improves Sleep Quality | Deeper REM Sleep
  • Made By Swiss & Australian Scientists
  • Most Potent / Purest / Cleanest Product On The Market
  • Patented Delivery System
  • Safe To Use – Well Tolerated By The Body
  • Orally Administrated Growth Hormone Secretagogue
  • One Dose Has 24 Hour Half Life

Please see research tab for references. This product is for research purposes only.

Out of stock


Product Description

MK 677, also known as Ibutamoren, is a type of SARM – which is a ‘selective’ anabolic driver that provides steroid-esque effects, but doesn’t cause the unwanted side effects.

The basic principle behind a SARM like MK 677, is that it has an anabolic, or stimulating effect on some cells (like muscle), but leaves other cells unaffected (like prostate cells).

Many body builders and athletes are switching to SARMS because they are safer, provide powerful results, and are a non-injectable – making them very convenient. They are taken orally by placing the liquid under your tongue. Easily done.

The primary focus of MK 677 is its amazing ability to quickly increase growth hormone and insulin growth factors. The clinical studies and research clearly show MK 667’s ability to stimulate growth hormone release, and increase IGF-1. This is further confirmed by users who’ve posted blood work on forums.

Growth hormone is a very powerful hormone – it is the master hormone in your body, which when increased to the levels you had when you were 20 can provide a huge list of benefits.

The main reasons people want to raise their growth hormone levels, are because of the powerful effect on:

  • Melting fat and Building Lean Muscle
  • Anti-Aging Properties
  • Better Quality Sleep
  • More Energy and Feelings of Youthfulness

The research on this product is solid. There is no doubt of its ability to produce higher HGH levels in the body – driving up muscle growth, energy output, and fat loss.

Users who have taken MK 677 and posted about their personal experiences, also boasted about:

  • muscle gains
  • fat loss
  • improved sleep
  • better energy
  • a feeling of well-being
  • noticing improvements in the appearance of their skin

These observations from MK 677 users all align with what the research studies show.

One side effect noted by people is an increase in hunger/appetite. If the hunger pains are too strong, decreasing the dose can help – which is something we personally confirm helps.

If you would like to know more about the benefits of MK 677 – check out the research tab for a summary on what each of the research studies were able to find.

Also, check out the social proof tab for references to discussions/feedback from people who have posted about their experiences with MK 677.

The scientists and bio chemists behind this product have also created a unique, patented delivery system, which helps the bio availability of the product.

It is taken orally under the tongue, and has a half life close to 24 hours – so you only need to take it once per day, when you’re using it.

This is a double strength product, made in a proper lab located in Australia. The quality of this product is confirmed with HPLC lab tests and spectrum analysis that highlight the purity of this MK 677. Check the ‘lab quality’ tab for details.

Ingredients: Water, Peg300, Active Ingredient, Flavouring, Patented SARM Delivery System.


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Here is a collection of research studies we’ve found that give great insight into the potential of MK 667, and SARMS in general.

  • Study designed to test the effects of MK-677 on growth hormone secretion in healthy males
  • Randomized double blind with placebo control using MK-677 25 mg dosage
  • The group treated with mk 677 showed a 40% increase in insulin-like growth factor I (IGF-I) vs placebo after 8 weeks
  • GH and PRL levels peaked significantly after the initial dose of MK-677
  • Serum and urinary concentrations of cortisol (stress hormone) were not increased
  • Fat-free mass (lean muscle) increased significantly in the MK-677 treatment group
  • Basic metabolic rate was significantly increased at 2 weeks of MK-677 treatment
  • Study concluded that Changes in body composition and energy expenditure were of an anabolic nature

  • Study designed to test growth hormone treatment in catabolic patients with MK-677
  • Eight healthy volunteers were calorie restricted for 14 days, the control group was given 25mg of MK-677 on the last 7 days
  • Those who took the MK-677 were able to stabilize nitrogen levels and significantly prevent muscle wastage
  • Study concluded that MK-677 was a safe way to treat those affected with chronic diseases that cause catabolic conditions

  • Study designed to test the effect of MK-677 on growth hormone deficient adult men
  • The SARM was well tolerated within the body, no significant changes in stress markers (cortisol)
  • 10ml treatment showed a 20% increase in growth hormone
  • 50mg treatment showed a 30% increase on average
  • The mk-677 showed the best improvement on those who were least deficient

  • Study to test the effects on sleep quality via GH boosts from MK-677 on healthy young and older adults (18-71 years)
  • MK-677 is a growth hormone secretagogue
  • Baseline sleep and hormonal data were obtained before and after sleep tests
  • Younger subjects saw a 50% increase in stage IV and 20% increase in REM sleep
  • Older adults seen a huge 50% increase in REM sleep, and were able to reach it faster

  • Study designed to determine if mk-677 increases growth hormone secretion in young adults range, without serious adverse effects
  • 2-year, double-blind, randomized, placebo-controlled, modified-crossover clinical trial. 65 healthy adults. ranging from 60 to 81 years of age
  • 25 mg of MK-677 dosage used
  • Daily administration of MK-677 significantly increased growth hormone and insulin-like growth factor I levels to those of healthy young adults without serious adverse effects
  • The most frequent side effects were an increase in appetite that subsided in a few months
  • MK-677 enhanced pulsatile growth hormone secretion
  • Significantly increased fat-free mass
  • Was well tolerated by the body

  • Study to test effect on MK-677 on bone density in women
  • 25 mg treatment
  • Did not find any noticeable result in bone density
  • Study did find a ~40% increase in insulin-like growth factor, an anabolic hormone

  • Study to investigate MK-677 growth hormone boosting effects as an anti-aging agent
  • Thirty-two healthy subjects (15 women and 17 men, aged 64-81 yr) were enrolled in a randomized, double blind, placebo-controlled trial
  • 25 mg/day found an increase in mean 24 hour growth hormone levels by 23%
  • No changes in cortisol (a stress indicator)
  • Once daily treatment of older people with oral MK-677 for up to 4 weeks enhanced pulsatile GH release, significantly increased serum GH and IGF-I concentrations, and at a dose of 25 mg/day restored serum IGF-I concentrations to those of young adults

  • IGF-binding protein-3 only increased with high doses
  • Increased GH pulse frequency
  • MK-677 had no effect on cortisol (stress) profiles

  • Although growth hormone (GH) is primarily associated with linear growth in childhood, it continues to have important metabolic functions in adult life
  • GH replacement in AGHD can improve body composition, strength, aerobic capacity, and mood, and may reduce vascular disease risk
  • Several countries have approved GH for clinical use
  • MK-677 can stimulate hunger
  • There was a sustained increase in IGF-I and episodic GH secretion, and an increase in lean body mass from MK-677

  • Study to determine if (MK-677) would enhance GH secretion into the young adult range without serious adverse effects
  • 25 mg dosage used
  • MK-677 enhanced pulsatile GH secretion and significantly increased FFM over 12 months and was generally well tolerated

  • Study to test bone metabolism in healthy males
  • MK-677 increased markers of bone formation by about ~25% after two weeks of treatment
  • MK-677 increased serum insulin-like growth factor binding protein-5 (IGFBP-5) by 43-44% and serum IGFBP-4 was increased by 25% after 2 weeks
  • No significant change from baseline was observed after 8 weeks of treatment
  • In conclusion, short-term treatment of healthy obese male volunteers with the GH secretagogue MK-677 increases markers of both bone resorption and formation

  • Study to evaluate the effects of MK-677
  • One hundred sixty-one hip-fracture patients were enrolled
  • MK-677 treatment increased serum IGF-I levels by 84%
  • Although MK-677 treatment increased serum IGF-I, the measuring of the hip fracture recovery was difficult due to the high amount of variables; no links were able to be made

  • Study of bone growth in eldery patients
  • One daily dosing with MK-677 stimulates bone growth in elderly subjects

  • Study on the effects of MK-677 on metabolic hormones
  • Increase some thyroid hormones after 3 weeks
  • These results indicate that MK-677 treatment is able to affect circulating factors of importance for adipose tissue mass and fuel metabolism

HLPC and quality analysis from the lab.

mk 677 HPLC analysis page 1

mk 677 HPLC analysis page 2

MK 677 spectrum analysis page 1

mk 677 HPLC analysis page 3

MK 677 spectrum analysis page 5

MK 677 spectrum analysis page 4

MK 677 spectrum analysis page 3

MK 677 spectrum analysis page 2


Dosage (male)

  • ¼ -½ dropper (25mg) every evening. Being a secretagogue it increases your growth hormone release
  • If hunger pains become too strong – back off the dose until you are comfortable with it.
  • MK 677 can be used continuously.

This product is sold for research purposes only.

Not suitable for 18 years old and under.

This product is not intended to treat, cure or prevent any disease or illness. All benefits listed are derived from university studies as listed in the research tab.