Xi'an Sonwu Biotech Co., Ltd. is one of the most professional manufacturers and suppliers of acetamidoxolutamide powder in China. We warmly welcome yuo to wholesale bulk acetamidoxolutamide powder for sale here from our factory. Quality products and reasonable price are available.
What Is Acetamidoxolutamide
Acetamidoxolutamide powder, also known as S4 or andarine supplement, developed by GTX Inc., was initially created with the aim of treating muscle wasting conditions, osteoporosis, and other disorders related to muscle and bone loss. However, it soon garnered interest for its potential benefits in enhancing athletic performance and body composition.
As a SARM, acetamidoxolutamide selectively binds to androgen receptors in the body. Unlike traditional steroids, which can affect multiple tissues and organs, SARMs like S4 target specific tissues, primarily muscles and bones. This selective binding allows acetamidoxolutamide to exert its effects on muscle growth and strength without causing the same level of androgenic side effects commonly associated with anabolic steroids. One of the key advantages of it is its ability to promote lean muscle mass and increase strength. By targeting androgen receptors in muscle tissue, S4 stimulates protein synthesis, leading to improvements in muscle growth and recovery.

In addition to its anabolic effects, it has been reported to aid in fat loss. It is believed to have a positive impact on metabolism, increasing energy expenditure and promoting a higher rate of fat oxidation. The purity of our company's andarine powder can reach 99%. Also, our prices are very competitive compared to other companies. If you want to know more, please contact Xi'an Sonwu Biotech Co. Ltd.
Certificate Of Analysis
|
ANALYSIS |
SPECIFICATION |
RESULT |
|
Zeaxanthin |
≥99.0% |
99.37% |
|
Appearance |
Light yellow powder |
Complies |
|
1HNMR |
Conforms to Structure |
Complies |
|
Loss on Drying |
≤ 1.0% |
0.53% |
|
Ash |
≤ 0.5% |
0.17% |
|
Total Heavy Metals |
≤ 10ppm |
Complies |
|
As |
≤2ppm |
Complies |
|
Pb |
≤2ppm |
Complies |
|
Cd |
≤0.2ppm |
Complies |
|
Hg |
Negative |
Negative |
|
Total Plate Count |
≤ 1,000 cfu/g |
62cfu/g |
|
Molds and Yeasts |
≤ 100 cfu/g |
15cfu/g |
|
E.Coil |
Negative |
Negative |
|
Salmonella |
Negative |
Negative |
|
Staphylococcus |
Negative |
Negative |
|
Conclusion |
This product conforms to international standards |
|
Andarine for Sale
Xi'an Sonwu has rich experience in the global trade and health industry. Reputation-based quality first is the principle of Xi'an Songwu Company. Xi'an Sonwu strictly controls product quality, so the selection of materials starts with raw materials. Also, we handle every detail and minimize costs so that our clients can get the most cost-effective products. Based on these, customers have given high praise to our products. If you need andarine, find Xi'an Sonwu Biotech Co. Ltd.
We completely make sure of the product's quality, so samples can be supplied. Here is the quantity.
|
Form |
Sample Amount |
The Minimum of Quantity |
|
Powder |
10g |
10g |
|
Bulk Capsules |
1000 capsules |
1000 capsules |
|
Bottled Capsules |
10 bottles |
10 bottles |
Customers' Good Comment

OEM Service
Xi'an Sonwu not only can supply high quality acetamidoxolutamide powder, but also supply its capsules.
So any customers could customize capsules they want. And items below can be supplied.
1. Customized capsules shells (size, color, material)
2. Customized bottles(size, color, material, style)
3. Customized packaging(vacuum foil packaging, box, drum)
4. Customized label(paint film, matte film, optical mask)

What Are the Benefits of S4 SARMs
S4, also known as Andarine, is a SARM. Compounds called S4 are made to resemble anabolic steroids yet have less negative effects. S4 specifically has been researched for its potential benefits in muscle growth and fat loss. Here are some of the potential benefits of S4:
1. Increased Lean Muscle Mass
How: S4 selectively stimulates androgen receptors in muscle tissue, promoting protein synthesis. Strengthening and muscle growth result from this.
Benefit: Unlike traditional anabolic steroids, users frequently report gains in lean and dry muscle mass with no significant water retention.
2. Fat Loss and Recomposition
How: Some research suggests that this product can help with fat loss, particularly in stubborn areas. It is believed to increase the body's ability to burn fat by improving metabolism and increasing lean muscle mass, which can contribute to higher BMR.
Benefit: The chemical may enhance fat oxidation during exercise, which could lead to more efficient fat burning, especially when paired with a nutritious diet and regular exercise.
3.Improved Strength and Endurance
How: For athletes or bodybuilders looking to push the boundaries of their training, increased muscular density and neurological efficiency are appealing.
Benefit: May enhance training capacity, endurance, and lifting performance. Faster recuperation periods between exercises have been reported by some users, which may enable more frequent training sessions and greater overall results.

4. Bone Density Support
How: Stimulates androgen receptors in bone, increasing mineralization. This could potentially help with bone density, which might be beneficial for people with certain bone conditions.
Benefit: Helps prevent osteoporosis and supports joint and skeletal strength, especially useful during intense training.
5. Low Risk of Side Effects
How: Unlike anabolic steroids, S4 does not convert to estrogen via aromatization.
Benefit:S4 are designed to selectively target androgen receptors in muscle and bone tissue, theoretically reducing the risk of unwanted side effects like hair loss or prostate issues, which are more common with anabolic steroids.
Andarine Half-life
The half-life of Andarine is the time it takes for the concentration of the compound in the body to decrease by half. Half-life may vary based on various factors including individual metabolism, dosage and other physiological factors.
Andarine has a relatively short half-life compared to other selective androgen receptor modulators (SARMs). Expect about 4 to 6 hours. This means that after about 4 to 6 hours, half of the andarin originally present in the body will be eliminated.
Importantly, however, a substance's half-life does not indicate how long it takes for the compound to be completely cleared from the body. Drugs usually take about five half-lives to be eliminated from the body. Andarine has a shorter half-life compared with other SARMs, but is generally well tolerated by users. Therefore, even though the concentration of andarin may be reduced by half, the effects of andarin may still be felt and may take about 20 to 30 hours to be completely eliminated from the body.
Due to its short half-life, andarin is usually administered multiple times per day to maintain stable blood levels and maximize its efficacy. The exact dosing frequency may vary according to individual needs and preferences, but is usually divided into two or three doses throughout the day.
Andarine Side Effects
Andarine (S4) was designed to selectively bind to androgen receptors in muscle and bone while minimizing side effects seen with anabolic steroids. However, it is not side-effect-free, especially at higher doses or extended use. Here are the most commonly reported side effects of Andarine (S4):
1. Vision-Related Side Effects (Most Distinctive)
This is the most unique and widely reported side effect of S4.
Symptoms:
Yellow tint in vision
Difficulty adjusting from light to dark environments (night blindness)
Visual disturbances, especially in low light
Why It Happens:
S4 partially binds to receptors in the retina (specifically affecting a compound called alpha-1 receptors).
Reversibility:
Usually reversible within days to weeks after stopping the compound
Side effects are dose-dependent, often appearing at doses above 50 mg/day

2. Testosterone Suppression: Andarine can potentially suppress natural testosterone production in the body. This occurs due to the modulation of androgen receptors by Andarine, leading to a disruption in the hypothalamic-pituitary-gonadal axis. Although each person may experience testosterone suppression to varying degrees, post-cycle therapy is advised to assist restore hormonal balance following Andarine use.
3. Fatigue and Lethargy
Some users report increased tiredness during a cycle.
Potential Causes:
Hormonal imbalances from testosterone suppression
Under-recovery due to increased training load
4. Mild Liver Strain (Rare)
Though not typically hepatotoxic, high doses or stacking with other compounds may stress the liver.
Monitoring:
It's a good idea to run liver enzyme tests during and after cycles, especially if stacking with oral compounds.
5. Increased Aggression or Mood Swings
As with many hormone-modulating compounds, some users report changes in mood, including:
Irritability
Short temper
Anxiety or depression (more often post-cycle)
6. Temporary Hair Thinning or Acne (Rare)
Less common but may occur in genetically predisposed individuals due to hormonal shifts.
Factory
Xi'an Sonwu is located in a place with beautiful natural environment, covering an area of 10,000 square meters. The factory has advanced production equipment and technical team is well-equipped, clean, and tidy, with sufficient stock. Under the leadership of the company, researchers insist on developing new products. The following is the testing environment of our laboratory, advanced testing equipment, and professional testers, with a strict attitude to providing valuable data for our products and providing our customers with a quality experience.


Certificate

Packaging

Recent Logistics Record

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

FAQ
1. How to inquiry?
You can contact us by email, telephone number, or social media.
2. How to guarantee the quality of products?
Each batch needs to be tested so we can supply COA for customers. Additionally, our products pass the test: HPLC, UV, GC, TLC, etc. And we also cooperate with third parties, like, SGS.
3. How to pack and store the product?
Pack: Vacuum sealed foil packaging & Sealed export grade drum or pack according to customers' need
Storage: For a short time, you can keep it in a dry and cool place and make it avoid sunlight.
If you are interested in our company's acetamidoxolutamide powder, please contact Xi'an Sonwu Biotech Co. Ltd.
Email: sales@sonwu.com
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