⚠️ Important All products on our website are intended solely for laboratory and research purposes. The information provided for each product is for educational and informational purposes only. These products are not intended for use in or on humans or animals. They are recommended to be handled only by qualified professionals in a controlled environment.

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

Stabilized Pre-Mixed Pen

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Quantity	Price	Discount
3-5	$121.60	5%
6-9	$119.04	7%
10+	$115.20	10%

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What is MSSPT technology?

How We Keep Peptides Stable Inside a Pen
Our MSSPT™ (Molecular Structure Stabilization Process Technology) keeps every peptide molecule intact and active—from production to the moment you click the pen.

Why it matters: Peptides are sensitive to heat, light, oxygen, pH swings, and shaking. MSSPT™ is our end‑to‑end method to protect them at every stage.

The MSSPT™ Playbook:

Make the Molecule Tougher: Smart chemistry tweaks and protective groups reduce weak spots.
Build the Right Microenvironment: Buffers, antioxidants, and stabilizers actively prevent degradation.
Optimize Storage & Process: Freeze-drying, controlled humidity, and temperature safeguards ensure long-term stability.
Engineer the Pen as a Shield: Light/oxygen barriers, desiccants, and low-shear pathways protect during use.
Prove It With Data: Rigorous stability studies and analytics guarantee potency and safety.

What This Means For You: Reliable potency, convenient multi-peptide delivery, and consistent safety dose after dose.

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Research-Grade Quality

Every pen is manufactured under strict quality control for consistent and reliable lab use.

Stabilized Pre-Mixed Formula

No reconstitution required – optimized for convenience and accuracy in research.

Verified Source & Purity

Third-party tested for purity and identity to meet research standards.

Temperature-Controlled Shipping

Shipped in insulated packaging with cold packs to maintain optimal temperature. Every order is tracked to ensure safe and timely delivery.

Proper storage

To guarantee the highest quality of our research peptides, we prioritize proper delivery and storage conditions. Every order is shipped in specialized cooling boxes designed to maintain the necessary temperature throughout transit, ensuring that your peptides arrive in optimal condition.

Upon receiving your peptides, proper storage is essential to preserve their stability and potency. We recommend keeping them refrigerated at a temperature between 2°C and 8°C. This safeguards their integrity, allowing them to maintain their effectiveness throughout their shelf life.

For research use only.

Shipping details

Fast and secure shipping of your order with FedEx, ensuring the highest quality and reliability at every step.

Order Processing & Packaging

Once your payment is confirmed via bank transfer or debit/credit card, we ship your order on the next business day.
All orders are carefully packaged in temperature-controlled cooling boxes to maintain peptide integrity during transit.

Delivery Timeframe

Standard U.S. delivery time: 1 to 3 business days.
Orders are shipped exclusively via FedEx for a fast, safe, and reliable delivery experience.

Tracking & Order Confirmation

Once your payment is processed and order is shipped, you will receive an email confirmation with your tracking number.
You can track your order in real time using the FedEx tracking page.

How does the pen work?

The Peptide Pen is an advanced, pre-mixed device designed for accurate dosing in research applications. This ready-to-use pen eliminates the need for mixing, ensuring efficiency and reliability in every use.

Key Features of the Peptide Pen

✔ Pre-Mixed & Ready-to-Use – No need for dilution or manual preparation.
✔ Precision Dosing – Each pen is pre-calibrated for consistent and accurate measurement.
✔ Sterile & Secure – Manufactured in a controlled laboratory environment and packaged under strict sterile conditions to maintain purity and stability.
✔ User-Friendly Design – Ergonomic and easy-to-handle, making research more efficient.

How to Use the Peptide Pen?

1️⃣ Attach the needle – Secure it by twisting onto the pen until firmly in place.
2️⃣ Set the precise dose – Adjust the dosage dial by rotating the regulator to the desired units (ranging from 0 to 60).
3️⃣ Administer as per research protocols – Ensuring controlled and reproducible application.
4️⃣ Proper Storage – Keep the pen refrigerated between 2°C and 8°C to maintain peptide integrity and stability.

⚠ Note: Our peptides are for research use only and are not intended for human consumption.

What is Ibutamoren (MK-677)?

Ibutamoren, also known as MK-677, is a compound that acts as an agonist of the ghrelin receptor and a stimulator of growth hormone (GH) secretion. Unlike SARMs, Ibutamoren does not interact with androgen receptors; instead, it 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 has been the subject of intensive research aimed at improving sleep, increasing muscle mass, supporting recovery processes, and maintaining youthfulness under various physiological conditions. MK677 is a popular choice when the goal is to increase activity of the GH–IGF-1 axis.

Mechanism of action of Ibutamoren (MK677):

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

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

Potential research-supported benefits of Ibutamoren (MK677):

Stimulation of growth hormone and IGF-1 naturally;
Increase in muscle mass and density, even without changes in training regimen;
Improved recovery of tissues and tendons;
Better quality and depth of sleep, through influence on sleep phases;
Potentially improved bone density and musculoskeletal function;
Preservation of lean musculature during caloric deficit or advanced age.

MK677 is a preferred molecule for protocols aimed at regeneration, hormonal support, and optimization of recovery under 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 technically it is not a SARM. Instead, MK677 is a ghrelin receptor agonist that stimulates natural release of growth hormone (GH) and IGF-1 without interacting with androgen receptors. This makes it unique compared to molecules such as 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 elevating growth hormone, leading to slower but comprehensive 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 and sleep and supports tendons, skin, and joints through IGF-1 activation. It does not lead to suppression of testosterone and can be used in prolonged research cycles without a need for hormonal balance afterward.

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

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