⚠️ 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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Ligandrol (LGD-4033) | 40mg/1,5ml

Stabilized Pre-Mixed Pen

Temporarily Sold Out – Restocking Soon!

Quantity	Price	Discount
3-5	$110.20	5%
6-9	$107.88	7%
10+	$104.40	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 Ligandrol (LGD-4033)?

Ligandrol, also known as LGD-4033, is a potent selective androgen receptor modulator (SARM) developed for research into muscle growth, strength, and maintenance of bone density. It is considered one of the most effective compounds in its class, especially when a significant increase in muscle mass over a short period is sought.

LGD-4033 is designed to deliver intense anabolic action while maintaining high tissue selectivity. This means it acts primarily on muscle and bone tissue without affecting other sensitive organs and systems. Thanks to this targeting, Ligandrol is often used in research settings for conditions such as sarcopenia, muscle atrophy, and other forms of tissue loss.

Mechanism of action of Ligandrol (LGD-4033):

Ligandrol works by binding to androgen receptors, activating pathways related to protein synthesis and nitrogen retention—key processes for building muscle tissue. At the same time, it supports bone mineral density, which contributes to structural stability and resilience under physical load.

Unlike testosterone and other androgenic agents, LGD-4033 does not convert to estrogens, does not retain water, and does not trigger hormonal fluctuations. This makes it particularly valuable for research purposes when a strong anabolic response is sought without the typical side effects of steroids.

Potential research-backed benefits of Ligandrol (LGD-4033):

Studies conducted with Ligandrol (LGD-4033) demonstrate notable results associated with:

Significant increases in muscle mass and physical strength;
Improved tissue recovery after training or load;
Maintenance of muscle volume during caloric deficit or immobilization;
Enhanced bone density, which makes it suitable for models related to bone mass loss;

Ligandrol is often chosen in research focused on strength parameters, functional musculature, and endurance under physical exertion.

Comparison of Ligandrol with other SARMs

Ligandrol (LGD-4033) is often regarded as one of the most potent and well-studied selective androgen receptor modulators in the SARM category. This places it in direct comparison with other popular molecules such as Ostarine (MK2866), Testolone (RAD-140), and S23.

Compared with Ostarine, which is considered milder and more suitable for beginner protocols or extended use, Ligandrol offers a significantly more pronounced anabolic effect in a shorter time. While Ostarine is excellent for maintaining muscle mass during a deficit, LGD-4033 is preferred in models aiming for active accrual of lean muscle mass.

Compared with RAD-140, Ligandrol demonstrates a similar ability to increase strength and size, but usually with a lower risk of neuroendocrine irritation. RAD-140 shows potential activity in the central nervous system, while Ligandrol remains more focused on muscle and bone tissue.

Relative to S23, which is characterized by very high androgenic activity but almost inevitable testosterone suppression, Ligandrol provides a more balanced profile—strong, but with a lower risk of side effects. Therefore, LGD-4033 is often preferred in research protocols where an optimal ratio between strength, safety, and recovery is sought.