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YK-11 Capsule

YK-11 Capsule

Appearance: White powder
Specification: 99% min
CAS: 1370003-76-1
Molecular Formula: C25H34O6
Molecular Weight: 430.53
Shelf Life: 2 Years Proper Storage
Stock: Adequate Stock
Certificate: ISO,GMP, HACCP SGS
Service: OEM Service(Private Package, Capsules, Liquid)

Product Introduction

Xi'an Sonwu Biotech Co., Ltd. is one of the most professional manufacturers and suppliers of yk-11 capsule in China. We warmly welcome yuo to wholesale bulk yk-11 capsule for sale here from our factory. Quality products and reasonable price are available.

 

What Is The Other Name For YK11

YK 11 is also called Myostine. Xi'an Sonwu can provide YK-11 capsule (Myostine Capsule), powder and liquid. It is a selective androgen receptor modulator (SARM) that can partially activate the androgen receptor (AR) to promote muscle growth and has myostatin inhibitory properties. Its main effects are to vigorously encourage muscle growth (more substantial than most SARMs), increase strength and endurance, reduce muscle breakdown, and increase muscle retention rate. They may promote bone growth (increase bone density). If you need YK 11, Xi'an Sonwu can supply it. Available in powder, capsule, and liquid form. Xi'an Sonwu is looking forward to hearing from you.

YK 11 MF

 

HPLC Of YK 11

HPLC of YK 11

 

YK 11 Sarms Buy

Xi'an Sonwu Biotech Co. Ltd. has rich experience in the global trade and the health industry. Insisting on faith-based and quality first is our company's principle. We strictly control product quality, which means selection starts from raw material. Besides, we handle every detail and reduce costs to the maximum so our customers can get cost-effective products. Based on these, customers have given a lot of good feedback about our products. So look for Xi'an Sonwu Biotech Co. Ltd. when buying YK 11.

Xi'an Sonwu ensures product quality and can provide samples. Here is the quantity.

YK 11 Form

Sample Amount

MOQ

Powder

10g

10g

Bulk Capsules

1000 capsules

1000 capsules

Bottle Capsules

16 bottles

16 bottles

 

Customers' Good Comment

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OEM Service

Xi'an Sonwu can supply high-quality YK 11 powder and its capsules and liquid.

So customers can customize the capsules they want. The items below can be supplied.

Customized capsule shells (size, color, material)

Customized bottles(size, color, material, style)

Customized packaging(vacuum foil packaging, box, drum)

Customized label(paint film, matte film, optical mask)

YK11

 

YK-11 Benefits

YK-11 is known for its powerful muscle-building and performance-enhancing effects. Due to its potency, it is often compared to anabolic steroids but is classified as a Selective Androgen Receptor Modulator (SARM) with Myostatin-inhibiting properties.

1. Muscle Growth & Strength Increase

It promotes rapid muscle hypertrophy (growth) by partially activating the androgen receptor (AR).

It also inhibits myostatin, a protein that limits muscle growth, allowing for unrestricted muscle development.

Users report significant gains in lean muscle mass within 4-8 weeks.

2. Increased Strength & Power

Enhances explosive power and endurance by improving muscle fiber activation.

Leads to better performance in weightlifting, sprinting, and high-intensity workouts.

3. Fat Loss & Muscle Retention

Preserve lean muscle during a cutting phase, preventing catabolism (muscle breakdown).

Boosts metabolism and supports a lean, vascular physique.

4. Bone Density Improvement

YK 11 stimulates bone-strengthening pathways, increasing bone mineral density (BMD).

It may help prevent osteoporosis and improve joint stability.

Fat Loss Muscle Retention

5. No Estrogen-Related Side Effects

Unlike anabolic steroids, YK 11 does not aromatize into estrogen, reducing the risk of: Water retention, Gynecomastia (man boobs), and High blood pressure.

Potential Downsides to Consider

Although it has potent benefits, it comes with potential risks, such as:

Testosterone suppression (may require PCT after use)

Possible liver toxicity (due to its steroid-like structure)

Joint pain or increased injury risk if muscle growth is too rapid

 

What Is The Mechanism Of Action Of YK11

YK 11 is a Selective Androgen Receptor Modulator (SARM) with myostatin-inhibiting properties. It works through two primary mechanisms:

1. Partial Activation of Androgen Receptors (AR)

It binds to androgen receptors (AR) in muscle and bone tissue.

However, unlike traditional SARMs (e.g., Ostarine, RAD-140), it acts as a partial agonist, meaning it does not fully activate the receptor-like testosterone or anabolic steroids.

This results in muscle-building effects but with less androgenic activity, reducing some side effects like prostate enlargement or hair loss.

2. Myostatin Inhibition (Muscle Growth Boosting Effect)

Myostatin is a protein that limits muscle growth by inhibiting muscle cell differentiation and proliferation.

YK 11 increases levels of Follistatin, a natural myostatin inhibitor.

With reduced myostatin activity, the body can build muscle at an accelerated rate, leading to massive hypertrophy beyond normal genetic limits.

This myostatin inhibition effect is unique to YK 11 among SARMs, making it one of the most potent muscle-builders.

How Does YK11 Affect Myostatin

3. Additional Effects

Bone Strengthening:

It may enhance bone mineral density (BMD) by stimulating androgen receptors in bone tissue.

Fat Loss:

While not a primary fat burner, its lean muscle gains and metabolic boost contribute to fat loss over time.

 

How Long Does YK11 Stay In Your System

The half-life of YK11 is estimated to be 6–10 hours. This means that it takes about 1-2 days for YK11 to be mostly cleared from the bloodstream. Complete elimination from the body may take 5–7 days, depending on metabolism, dosage, and individual factors.

1. Factors Affecting Clearance Time:

Dosage & Cycle Length – Higher doses and longer cycles can lead to longer detection times.

Metabolism – Faster metabolism = quicker elimination.

Liver Function – Since YK-11 is a steroidal SARM, liver health can influence how quickly it's broken down.

Hydration & Diet – Staying hydrated and maintaining a healthy diet may slightly improve clearance.

Hydration Diet

2. Detection in Drug Tests:

Standard steroid or SARM tests may detect YK11, but it is not commonly included in routine drug screenings.

Specialized performance-enhancing drug (PED) tests can detect it for several weeks after the last dose.

 

How Does YK11 Affect Myostatin

YK-11 capsule has a unique ability to inhibit myostatin, which is one of the key mechanisms behind its muscle-building effects. Here's how it works:

1. Myostatin and Its Role

Myostatin is a negative regulator of muscle growth. It limits muscle tissue growth by inhibiting muscle cell differentiation and proliferation.

High myostatin levels are linked to slow muscle growth, muscle wasting, and difficulty gaining muscle mass.

Lower myostatin levels can promote muscle hypertrophy and prevent muscle breakdown.

2. YK-11 and Myostatin Inhibition

It increases the production of Follistatin, a protein that binds to and inhibits myostatin.

With less myostatin activity, the body can grow muscle more freely, leading to greater muscle mass and strength gains.

Bone Strengthening

3. Myostatin Inhibition and Muscle Growth

By inhibiting myostatin, YK11 allows for unrestricted muscle growth, which is why it's often considered one of the most potent muscle-building SARMs.

This effect is particularly valuable for individuals looking to accelerate muscle growth beyond their normal genetic limits, especially in situations like bulking phases or post-injury recovery.

 

YK11 With Ostarine

Combining YK11 with Ostarine is a popular stacking strategy among athletes and bodybuilders looking to maximize muscle growth, strength, and fat loss while minimizing side effects. Here's a breakdown of how they work together:

1. YK11 + Ostarine: Complementary Effects

YK 11:

Primary Function: Strong myostatin inhibition and partial androgen receptor activation, leading to rapid muscle growth and strength gains.

Effects: Increased muscle mass, muscle preservation, and improved bone density.

Considerations: Due to its steroid-like structure, it is at a higher risk of testosterone suppression and liver stress. However, it also has a potent muscle-building effect due to its inhibition of myostatin.

Ostarine (MK-2866):

Primary Function: Selective androgen receptor modulation (SARM) with a focus on muscle preservation and fat loss.

Effects: Lean muscle mass gain, fat loss, improved muscle endurance, and joint health.

Considerations: Known for having minimal side effects compared to other SARMs, making it popular for cutting and recomposition cycles.

YK11 With Ostarine

2. Benefits of Stacking YK11 with Ostarine

Enhanced Muscle Growth:

YK11 promotes rapid muscle mass gains by inhibiting myostatin, while Ostarine helps with muscle preservation and lean mass development.

Reduced Risk of Over-Suppression:

YK 11 can suppress testosterone, but stacking it with Ostarine may help reduce the overall suppression compared to YK-11 used alone, as Ostarine has a milder effect on hormone levels.

Fat Loss and Muscle Retention:

Ostarine helps preserve muscle while reducing fat, which is particularly beneficial during a cutting phase or while on a calorie deficit.

YK11's myostatin inhibition ensures that muscle mass is not lost while cutting, even when combined with a fat-burning regimen.

Joint and Bone Health:

Ostarine is known to improve joint health and ligament recovery, which can be a significant benefit if YK-11 causes any joint discomfort from rapid muscle growth.

YK 11 also has bone-strengthening effects, further supporting overall joint and skeletal health.

3. Possible Side Effects When Stacking

Testosterone Suppression:

Both compounds may suppress natural testosterone production, so Post-Cycle Therapy (PCT) is recommended after using the stack to help restore hormone balance.

Liver Stress:

Liver Stress

YK-11 has a steroid-like structure, which could place strain on the liver, especially at higher doses or longer cycles. Ostarine has less liver toxicity, but care should still be taken to monitor liver function.

Joint Discomfort:

Rapid muscle growth from YK-11 may lead to joint discomfort, which is why Ostarine's benefits for joint health can help offset this.

4. Suggested Dosage and Cycle Length

YK-11:

Dosage: 5–10 mg per day

Cycle Length: 6–8 weeks

PCT: After cycle (if needed)

Ostarine (MK-2866):

Dosage: 10–20 mg per day

Cycle Length: 6–8 weeks

PCT: After cycle (mild suppression, usually optional with lower doses)

 

Factory

1. Xi'an Sonwu has a factory with sufficient stock. In addition, Xi'an Sonwu has a clean and tidy production department with advanced equipment. Under the company's leadership, researchers continue to develop new products to meet customers' needs.

2. Xi'an Sonwu has advanced testing equipment and professional testing personnel, which shows that it aims to provide accurate and effective data and good service.

factory a

factory b

 

Certificate

certificates

 

Packing

packaging

 

Logistics Update

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In addition to guaranteeing product quality, the other most vital thing is that clients receive the goods smoothly. So, Xi'an Sonwu supplies all kinds of couriers according to different needs.

logistics

 

FAQ

1. How to inquire?

We can be reached by phone, email, or social media.

2. How do you guarantee the quality of products?

Each batch must be tested, and COA can be supplied to customers. Additionally, all the products pass the test: HPLC, UV, GC, TLC, etc. We also cooperate with third parties, like SGS.

3. How do you pack and store?

Pack: Use sealed export-grade drums and vacuum-sealed foil packaging, or pack the goods according to customers' needs.

Storage: You can keep it in a dry and cool place and make it avoid sunlight.

If you want to know about the YK-11 capsule, contact Xi'an Sonwu. Click the email, and then you will receive high-quality myostine capsule.

Email: sales@sonwu.com

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