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Pen Peptide

Ibutamoren (MK677) | 50mg/1,5ml

Ibutamoren (MK677) | 50mg/1,5ml

Pre-Mixed Stabilized Pen

Regular price £92.00
Regular price Sale price £92.00
Sale Temporarily out of stock
Delivery in the Europe & UK within 1-3 days with DHL Express. Shipping calculated at checkout.
  • 🥇 The first peptide brand with Pre-Mixed Pen stabilized formulations
  • 📦 We ship with DHL Express in thermo-insulated packaging
  • 💳 Secure payment by card or bank transfer
  • 🧪 Purity ≥98% for precise research protocols
Stabilized formula ℹ️ The formula retains its structural integrity and bioactivity, without risk of degradation or loss of stability, even in case of temporary temperature increase above 8°C during transport. – tolerant to short-term temperature deviations above 8°C

✅ Proper storage

To ensure the optimal quality of our products, we pay special attention to the delivery and storage of peptides. All our shipments are sent in special cooling boxes that maintain the required temperature during transportation. This guarantees that the products will reach you in perfect condition.

After receiving the peptides, it is important to store them properly to preserve their stability and effectiveness. We recommend storing them at a temperature between 2°C and 8°C in a refrigerator. This ensures that the peptides retain their properties throughout their shelf life.

✅ Order and Delivery

At Pen Peptide, we ensure fast and secure delivery of your order with DHL Express, maintaining the highest quality and reliability throughout the process.

How we process your order:

Once your payment is confirmed via bank transfer or debit/credit card, we dispatch your order on the next business day.

Orders are carefully packaged in temperature-controlled cooling boxes to ensure product integrity during transportation.

Delivery timeframe:

Standard delivery time within the Europe & UK: 1 to 3 business days (typically 1-2 business days for most locations).

Deliveries are handled exclusively by DHL Express, providing a fast and reliable shipping experience.

Tracking & order confirmation:

After your payment has been successfully processed, you will receive an email confirmation with your tracking number.

You can use the provided tracking link to monitor your shipment’s progress and estimated delivery time.

With Pen Peptide, you can trust that your order will arrive quickly and in perfect condition, ensuring a seamless and efficient experience.

✅ How does the pen work?

The peptide pen is an innovative and easy-to-use device, designed for precise dosing of the substance in research settings. It is a pre-mixed pen (Pre-Mixed Pen), which means it contains an already dissolved peptide in an optimal concentration, ready for use.

Key features of the pen:

  1. Precision – Each pen is pre-dosed, ensuring accurate and consistent application.
  2. Ease of Use – No dilution or additional preparation is required.
  3. Sterility and Safety – Each product is manufactured in controlled laboratory conditions and sterile-packaged to guarantee its purity and effectiveness.

How to use the pen?

  1. Attach the needle by placing it onto the pen and twisting until fully secured.
  2. Set the desired dose – use the dosage dial by rotating the regulator to the corresponding number, which represents the selected units. The numbers displayed range from 0 to 60, indicating the units for dosing.
  3. Administer the dose according to the requirements of your research.
  4. Store the pen properly – in a refrigerator at a temperature between 2°C and 8°C to maintain the stability of the peptide.

With the pre-mixed pen from Pen Peptide, the process is simplified, efficient, and safe, ensuring optimal results for your research.

✅ Why choose Pen Peptide?

If you are looking for peptides of the highest quality with over 98% purity, Pen Peptide is one of the best places where you can easily and securely order online. At Pen Peptide, we specialize in the synthesis of highly purified peptides intended exclusively for Research & Development Use Only.

Our peptides are produced in certified GMP laboratories, adhering to strict standards of quality, safety, and control. Each product undergoes rigorous testing for purity and stability to ensure you receive research materials with verified origin and maximum effectiveness.

We understand how important fast and reliable service is for our customers. That’s why we offer express delivery within 1 to 3 business days. All shipments are securely packaged to maintain product quality during transportation.

✅ Molecular Structure Stabilization Process Technology (MSSPT)

The Molecular Structure Stabilization Process Technology (MSSPT) focuses on preserving the structural integrity and functionality of molecules under harsh conditions and during prolonged storage periods. This process may involve modification of the molecule itself, optimization of storage conditions, or the use of auxiliary components that protect the molecules from degradation.

MSSPT

Key stages of the process:

1. Molecular modification:

Chemical and genetic engineering: Involves altering the structure or composition of the molecule to make it more resistant to degradation. For example, protein cross-linking can prevent unfolding, or modification can reduce susceptibility to chemical reactions.

Chemical modification: The introduction of protective groups or changes to reactive sites can prevent unwanted chemical reactions and degradation.

2. Optimization of storage conditions:

Lyophilization (freeze-drying): This method removes water from the sample, helping to preserve structure and prevent degradation during storage.

Storage in specialized containers: Using containers that protect from light and oxygen can safeguard molecules from photodegradation or oxidation.

Controlled-release systems: These systems provide a steady concentration of the therapeutic molecule, but introduce additional challenges related to stabilizing molecules over extended release periods.

3. Use of auxiliary components:

Buffers: Buffers help maintain stable pH levels, which are crucial for many chemical reactions and biological processes.

Antioxidants: These additives can prevent or reduce oxidative degradation, which is a common cause of molecular instability.

Stabilizing agents: These help prevent aggregation, precipitation, or other forms of degradation.

4. Understanding molecular interactions:

Thermodynamic equilibrium: A fundamental understanding of the interactions between a molecule and its environment is essential for developing effective stabilization strategies.

Detergents for membrane proteins: Specialized detergents, such as those developed to stabilize membrane proteins, help maintain their structure in solution.

Molecular simulations: Techniques such as molecular dynamics can provide valuable insights into the stability and behavior of molecules.

5. Examples of stabilization techniques:

Protein stabilization: Strategies include forming disulfide bonds, using stabilizing agents or chaperones, and introducing stabilizing mutations.

Polymer stabilization: Methods include the addition of antioxidants or the use of modified clay minerals that prevent polymer degradation.

Propellant stabilization: Stabilizers are essential to prevent the decomposition of propellants and ensure their safe and reliable performance.

Pen Peptide – Proven Molecular Stabilization

Our peptide pens are developed with a strong focus on preserving the biological activity and structural stability of the active compounds. Thanks to thoroughly researched stabilization processes—including optimization of storage environments and precise modification of molecular structure—we achieve long-term durability and reliability of the peptides under appropriate storage conditions.

The MSSPT (Molecule Structure Stabilization Process Technology) we use incorporates various approaches to maintain molecular integrity, including the use of suitable buffers, antioxidants, and stabilizing agents. The MSSPT technology allows for the integration of multiple active molecules into a compact volume without compromising their structural integrity or biological effectiveness. Additional optimization of storage conditions—such as pH control and prevention of photodegradation and oxidation—ensures maximum stability and bioactivity of the peptides.

These precise measures guarantee that the final product remains effective and stable even after extended storage periods, making it a secure and reliable option for use in various research protocols.

What is Ibutamoren (MK-677)?

Ibutamoren, also known as MK-677, is a compound that acts as a ghrelin receptor agonist and growth hormone (GH) secretion stimulator. Unlike SARMs, Ibutamoren does not interact with androgen receptors, but instead mimics the action of the hormone ghrelin and activates the pituitary gland, leading to increased secretion of growth hormone and IGF-1 (insulin-like growth factor).

The compound is the subject of intensive research aimed at improving sleep, increasing muscle mass, supporting recovery processes and maintaining youth in various physiological conditions. MK677 is a popular choice when the goal is to increase the activity of the GH–IGF-1 axis.

Mechanism of action of Ibutamoren (MK677):

Ibutamoren stimulates growth hormone secretion by activating ghrelin receptors (GHS-R) in the hypothalamus and pituitary gland. This leads to a natural increase in GH and IGF-1 levels in the body, which activates processes such as protein synthesis, cell repair and tissue regeneration.

MK677 does not disrupt cortisol or other hormone levels and has the advantage of sustainably maintaining high growth hormone levels for 24 hours. Due to this characteristic, it is preferred for research purposes aimed at recovery, regeneration and anti-aging protocols.

Potential scientifically supported benefits of Ibutamoren (MK677):

Based on research and observations, Ibutamoren shows the following potential benefits:

  • Stimulate growth hormone and IGF-1 naturally;
  • Increase in muscle mass and density, even without changing the training regime;
  • Improved recovery of tissues and tendons;
  • Better quality and depth of sleep, through the influence on sleep phases;
  • Potentially improved bone density and locomotor function;
  • Preservation of lean musculature in caloric deficit or old age.

MK677 is a preferred molecule for protocols aimed at regeneration, hormonal maintenance and optimization of recovery in various physiological conditions.

Comparison of Ibutamoren (MK677) with other SARMs

Ibutamoren (MK677) is often placed in the same category as SARMs due to its use in research protocols for muscle growth and recovery, but it is not technically a SARM. Instead, MK677 is a ghrelin receptor agonist that stimulates the natural release of growth hormone (GH) and IGF-1 without interacting with androgen receptors. This makes it unique compared to molecules like Ligandrol (LGD-4033), Testolone (RAD-140) and Ostarine (MK2866).

Compared to Ligandrol, which acts directly on androgen receptors to increase muscle mass, MK677 works by increasing growth hormone, resulting in slower but more complete recovery, improved sleep and support for tissue regeneration. While LGD-4033 is preferred for aggressive muscle building, MK677 is used for long-term support and hormonal stabilization.

Compared to RAD-140, which provides a strong anabolic effect and short-term muscle response, MK677 acts more gently, but enhances recovery, sleep and supports tendons, skin and joints through IGF-1 activation. It does not lead to testosterone suppression and can be used in extended research cycles without the need for hormone balance afterwards.

Compared to Ostarine, which is also used for muscle maintenance, MK677 has a broader effect – not only on muscle, but also on sleep, bone density and overall recovery. While MK2866 acts at the receptor level in muscle, MK677 stimulates the entire GH–IGF-1 endocrine axis.

Ibutamoren is often combined with other compounds in research models when aiming for more complete regeneration, improved sleep and hormonal balance, without aggressive androgenic stimulation.

Dosage and administration of Ibutamoren (MK677) in research protocols:

Recommended study regimen: 7 units once daily for 4–6 weeks, followed by a 2–4 week rest period.

1 unit = 33.33mcg.

Total quantity in pen: 150 units

Possible side effects of Ibutamoren (MK-677):

Despite the good tolerability profile, there are observations of some side effects, especially with prolonged use or higher doses:

  • Increased appetite, characteristic of the activation of ghrelin receptors;
  • Mild water retention, especially at higher doses;
  • Transient fatigue or sleepiness when starting the protocol.

Compliance with the optimal dosage and control over the duration of the application play a key role in limiting the manifestation of side effects.

For laboratory purposes and personal observation only.

The information has been collected from numerous studies and analyses conducted over the years and is not intended for diagnosing, treating, or preventing any diseases.

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