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Buy MK677 Ibutamoren

MK-677, also known as Ibutamoren, is a potent, orally active growth hormone secretagogue that mimics the ghrelin receptor’s activity, stimulating the release of growth hormone (GH). This compound is noted for its potential to increase lean body mass, enhance bone density, promote fat loss, boost energy levels and improve recovery times by elevating GH and insulin-like growth factor 1 (IGF-1) levels without affecting cortisol levels. Ibutamoren is used in treatments for GH deficiencies and muscle wasting. Its safety and efficacy are subjects of ongoing research in Czech Republic medical and sports science communities.

MK-677 Mechanism Of Action

MK-677 operates by mimicking the action of ghrelin, a hormone that regulates appetite and plays a significant role in energy homeostasis. The primary mechanism through which MK-677 works is the activation of the ghrelin receptor (GHSR), which subsequently stimulates the pituitary gland to release growth hormone (GH).

This increase in GH then promotes the production of insulin-like growth factor 1 (IGF-1) in the liver, which is crucial for muscle growth, bone density, and overall tissue regeneration. Unlike other growth hormone secretagogues, Ibutamoren does not significantly affect cortisol levels, making it a preferable option for long-term use. It is important to your country’s regulations before deciding to buy MK677 for research or therapeutic purposes.

Structure of MK-677

Buy MK677
Source: PubChem


Sequence: 2-Amino-N-(3-(benzyloxy)-1-(1-(methylsulfonyl)spiro[indoline-3,4′-piperidin]-1′-yl)-1-oxopropan-2-yl)-2-methylpropanamide

Molecular Formula: C27H36N4O5S

Molecular Weight: 528.7 g/mol

PubChem CID: 9939050

What Are The Research Benefits of MK-677?

Increased Lean Body Mass: Studies have demonstrated that MK-677 can effectively increase lean muscle mass, making it a valuable agent in treating conditions such as sarcopenia and muscle wasting diseases.

This is achieved by promoting the secretion of growth hormone (GH) and insulin-like growth factor 1 (IGF-1), both of which play critical roles in muscle growth and regeneration.

Enhanced Bone Density: Growth hormone and insulin-like growth factor 1 (IGF-1) are known to play pivotal roles in enhancing bone health. These hormones contribute to the mineralisation process, which is essential for maintaining and improving bone density.

Consequently, the MK-677 compound, through its ability to boost GH and IGF-1 levels, may offer significant benefits for bone strength. This could also extend to promoting more efficient healing of fractures, making MK-677 a valuable focus for research into treatments aimed at improving skeletal robustness and recovery.

Enhanced Heart Health: Emerging evidence indicates that MK-677 may have cardiovascular benefits. Growth hormone (GH) and insulin-like growth factor 1 (IGF-1) are known to improve heart function and overall well-being. By increasing the secretion of GH and IGF-1, MK-677 could support a healthy cardiovascular system and mitigate the risks of cardiovascular disease.

Additionally, the role of nitric oxide in enhancing vascular function and reducing arterial stiffness adds to the potential heart health benefits of MK-677. Ongoing Czech Republic research seeks to further clarify these potential benefits and explore the clinical applications of MK-677 for heart health.

Improved Recovery Times: By elevating levels of growth hormone (GH) and insulin-like growth factor 1 (IGF-1), MK-677 has demonstrated potential in accelerating recovery from injuries and intense physical training. This mechanism supports more effective rehabilitation outcomes by promoting faster tissue regeneration and reducing recovery periods.

For Czech Republic researchers focused on athletic performance and physical rehabilitation, MK-677 presents a promising avenue for improving recovery metrics, leading to enhanced performance and decreased downtime for athletes and individuals engaged in strenuous activities.

Stimulation of Appetite: As a ghrelin receptor agonist, MK-677 can aid in increasing appetite, which is particularly useful for patients dealing with cachexia or anorexia. This appetite-stimulating effect helps ensure that individuals receive adequate nutrition, which is essential for maintaining body weight and supporting overall health during recovery or illness.

Better Sleep Quality: Preliminary studies indicate that Ibutamoren could improve sleep quality by enhancing the depth and duration of REM sleep, contributing to overall well-being.

Good sleep is crucial for various physiological processes, including tissue repair, immune function, and cognitive health, making MK-677’s potential impact on sleep highly significant.

Cognitive Function: There is emerging evidence that MK-677 may have neuroprotective effects, potentially improving cognitive function and memory, an area that holds promise for future Czech Republic research.

By influencing neurogenesis and synaptic plasticity, MK-677 could help in maintaining brain health and combating cognitive decline associated with aging or neurological conditions.

Anti-Aging Research: Somatopause, the age-related decline in growth hormone (GH) secretion, is a key area of research in gerontology and endocrinology. Studies show that lower levels of GH and insulin-like growth factor 1 (IGF-1) are linked to age-related issues like decreased muscle mass, reduced bone density, cognitive decline, and increased fat.

Ibutamoren’s ability to boost GH and IGF-1 levels suggests it could mitigate or reverse somatopause effects. Early research indicates MK-677 can restore youthful GH profiles in older adults, improving muscle strength, bone health, body composition, and overall vitality.

Ongoing Czech Republic research into MK-677’s effects on somatopause could enhance our understanding of aging and lead to new interventions for healthy aging.

Buy MK-677 Capsules for research online today!

Buy MK677 Capsules Czech Republic

MK-677 Capsules

Buy MK677 for sale online from Direct Peptides Czech Republic. Each pot contains 60 Capsules with 10mg MK-677 per capsules.

Is PCT Required for MK-677 Capsules?

Post Cycle Therapy (PCT) is typically needed for compounds that suppress endogenous hormone production, requiring recovery after the cycle ends. However, MK-677 (Ibutamoren) works differently from traditional anabolic steroids or other suppressive agents. MK-677 acts as a growth hormone secretagogue, boosting growth hormone and IGF-1 levels without directly affecting testosterone or other androgens. Therefore, MK-677 does not cause the same hormone suppression that usually necessitates PCT.

Summary of Ibutamoren Research Applications

  • Improved body composition
  • Enhanced bone density
  • Fat loss
  • Cardiovascular health
  • Improved recovery times
  • Stimulation of appetite
  • Boosts metabolic rate
  • Better sleep quality
  • Cognitive function
  • Anti-aging and reduction in somatopause


Ibutamoren is not a nutritional supplement and should not be used as one, it is for research purposes only.

MK-677 Peptide Quality Assured

At Direct Peptides Czech Republic, we redefine excellence in research compounds by offering MK-677 for sale with a guaranteed 99% purity. Our meticulous synthesis process ensures that each batch surpasses industry standards for quality and efficacy, reflecting our steadfast commitment to precision and excellence.

Our dedication to premium purity not only strengthens our reputation for outstanding quality but also enhances the therapeutic efficacy. This guarantees that our clients buy MK677 products that meet their research needs with unparalleled reliability.

Frequently Asked Questions (FAQs) about MK-677

What is MK-677?

MK-677, also known as Ibutamoren, is often mistaken for a selective androgen receptor modulator (SARM), but it is neither a SARM nor a peptide. Instead, MK-677 is a synthetic propanamide derivative that functions as a ghrelin receptor agonist. Despite not being a peptide, its effects resemble those of growth hormone secretagogues.

By binding to the ghrelin/growth hormone secretagogue receptor (GHSR)—similar to GHRP-2, GHRP-6, hexarelin, and ipamorelin—MK-677 stimulates the release of growth hormone while preserving the natural pulsatile pattern of GH secretion. This results in elevated levels of insulin-like growth factor 1 (IGF-1) in the body.

Is MK-677 legal to buy and use?

The legality of MK-677 varies by country and its intended use. It is crucial to research and understand your country’s specific regulations regarding the sale, purchase, and use of MK-677 for both research and therapeutic purposes.

For instance, in the United States, the FDA has not approved MK-677 for clinical use, which means it is available primarily for research.

Similarly, in Australia, the Therapeutic Goods Administration (TGA) regulates such compounds, and their use may be restricted.

In the United Kingdom, the Medicines and Healthcare products Regulatory Agency (MHRA) oversees the regulation of such substances, requiring thorough compliance with their guidelines.

Therefore, it is imperative to consult relevant regulatory authorities to ensure lawful acquisition and application of MK-677.

Where can I buy MK677?

Direct Peptides is a safe and trusted suppier of research grade compounds and one of the best places to buy MK677 Czech Republic online.

How should MK-677 be administered?

MK-677 is taken orally, typically in a daily dose. The specific dosage can vary based on the research objective, but it is generally recommended to follow the guidelines provided by the supplier or consult with a healthcare professional for specific instructions relevant to your study or treatment plan.

Can MK-677 be used long-term?

Unlike other growth hormone secretagogues, MK-677 does not significantly affect cortisol levels, making it a potentially safer option for long-term use under medical supervision. However, ongoing research is essential to fully understand its long-term efficacy and safety profile.

Are there any side effects associated with MK-677?

While MK-677 is generally well-tolerated, some patients may experience mild side effects such as increased appetite, mild edema (swelling), muscle pain, or transient increases in blood sugar levels. It is advisable to monitor any potential side effects closely and consult with a healthcare provider if concerns arise.

How does MK-677 compare to HGH (Human Growth Hormone) injections?

MK-677 stimulates the body’s own production of growth hormone, whereas HGH injections introduce synthetic growth hormone directly into the body. MK-677’s oral administration and its ability to naturally elevate GH and IGF-1 levels without affecting cortisol levels can make it a preferable option for some researchers and users.

Can MK-677 be used in conjunction with other supplements or medications?

While some researchers may explore the synergistic effects of MK-677 with other compounds, it is recommended to consult with a healthcare professional before combining it with other supplements or medications to ensure safety and avoid adverse interactions.

How quickly can one expect to see results from MK-677?

The timeline for observing results can vary based on individual responses and specific research objectives. However, some studies suggest that noticeable benefits in lean muscle mass, bone density, and recovery times can be observed within weeks to a few months of consistent use.

References For Further Reading​

[1] J.T.Sigalos, and A.W.Pastuszak (2018) The Safety and Efficacy of Growth Hormone Secretagogues – Sexual Medicine Reviews, Volume 6, Issue 1, January 2018, Pages 45-53.

[2] M.G.Murphy, L.M.Plunkett, B.J.Gertz, et al (1998) MK-677, an orally active growth hormone secretagogue, reverses diet-induced catabolism – The Journal of Clinical Endocrinology and Metabolism, 1998 Feb;83(2):320-5.

[3] R.Nass, S.S.Pezzoli, M.Clancy Oliveri, et al (2008) Effects of an oral ghrelin mimetic on body composition and clinical outcomes in healthy older adults: a randomized trial – Annals of Internal Medicine, 2008 Nov 4;149(9):601-11.

[4] T.Thum, F.Fleissner, I.Klink, et al (2007) Growth hormone treatment improves markers of systemic nitric oxide bioavailability via insulin-like growth factor-I – The Journal of Clinical Endocrinology and Metabolism, 2007 Nov;92(11):4172-9.

[5] A.Adunsky, J.Chandler, N.Heyden, et al (2011) MK-0677 (ibutamoren mesylate) for the treatment of patients recovering from hip fracture: a multicenter, randomized, placebo-controlled phase IIb study – Archives of Gerontology and Geriatrics, 2011 Sep-Oct;53(2):183-9.

[6] M.G.Murphy, M.A.Bach, D.Plotkin, et al (1999) Oral administration of the growth hormone secretagogue MK-677 increases markers of bone turnover in healthy and functionally impaired elderly adults. The MK-677 Study Group – Journal of Bone and Mineral Research, Volume 14, Issue 7, 1 July 1999, Pages 1182–1188.

[7] J.Svensson, C.Ohlsson, J.O.Jansson, et al (1998) Treatment with the oral growth hormone secretagogue MK-677 increases markers of bone formation and bone resorption in obese young males – Journal of Bone and Mineral Research, Volume 13, Issue 7, 1 July 1998, Pages 1158–1166.

[8] T.Thum, S.Hoeber, S.Froese, et al (2007) Age-dependent impairment of endothelial progenitor cells is corrected by growth-hormone-mediated increase of insulin-like growth-factor-1 – Circulation Research, 2007 Feb 16;100(3):434-43.

[9] J.K.Devin, D.E.Vaughan, L.S.Blevins Jr, et al (2008) Low-dose growth hormone administration mobilizes endothelial progenitor cells in healthy adults – Growth Hormone & IGF Research, Volume 18, Issue 3, June 2008, Pages 253-263.

[10] J.J.Sevigny, J.M.Ryan, C.H.Van Dyck, et al (2008) Growth hormone secretagogue MK-677: no clinical effect on AD progression in a randomized trial – Neurology, 2008 Nov 18;71(21):1702-8.

[11] Yu-On Jeong, Soo Jung Shin, Jun Yong Park, et al (2018) MK-0677, a Ghrelin Agonist, Alleviates Amyloid Beta-Related Pathology in 5XFAD Mice, an Animal Model of Alzheimer’s Disease – International Journal of Molecular Science, 2018 Jun 18;19(6):1800.

[12] J.M.Garcia, G.R.Merriam, and A.Y.Kargi (2019) Growth Hormone in Aging – Endotext (online Endocrinology book), October 7, 2019.

Why Choose Direct Peptides Czech Republic?

Direct Peptides is the best place to buy MK677 online for research purposes, with a reputation for providing the highest quality research compounds and exceptional customer support. Our dedicated team at Direct Peptides is committed to assisting researchers in their quest to understand chemical compounds and peptides, providing superior Ibutamoren products to enhance their studies.


DISCLAIMER: These products are intended solely as a research chemical only. This classification allows for their use only for research development and laboratory studies. The information available on our Czech Republic Direct Peptides website: https://czech-republic.direct-peptides.com is provided for educational purposes only. These products are not for human or animal use or consumption in any manner. Handling of these products should be limited to suitably qualified professionals. They are not to be classified as a drug, food, cosmetic, or medicinal product and must not be mislabelled or used as such.