Stanozolol (Winstrol) Raws Powder CAS：10418-03-8

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Stanozolol (Winstrol) raw powder is a synthetic steroid, a derivative of dihydrotestosterone (DHT), widely known for its use in bodybuilding and sports. It is mainly used to promote muscle growth, increase strength and reduce body fat, and is also used in the medical field to treat certain specific diseases, such as hereditary angioedema. The following is a detailed description of its physical and chemical properties and information related to use:

### **1. Basic properties**

- **Chemical name**: 17β-Hydroxy-17α-methyl-5α-androstano[3,2-c]pyrazole

- **Molecular formula**: C21H32N2O

- **Molecular weight**: 328.49 g/mol

- **CAS number**: 10418-03-8

- **Appearance**: White or off-white powder, usually odorless.

#### **Physical properties**:

- **Solubility**: Stanozolol is insoluble in water, but soluble in organic solvents such as oils or ethanol.

- **Melting point**: 242-250°C.

#### **Chemical properties**:

Stanozolol contains a pyrazole ring in its structure, which gives it unique properties, making it more stable than other steroids and less likely to convert into estrogen (i.e. no aromatization). It is available in both oral and injectable forms for different usage needs.

### **2. Functions and effects**

- **Muscle growth**: Although its anabolic ability is relatively mild, Winstrol can help retain lean muscle tissue, especially in calorie-restricted situations.

- **Strength enhancement**: Enhances red blood cell production and improves oxygen delivery capacity, thereby improving athletic performance.

- **Fat reduction**: Accelerates the fat breakdown process by promoting metabolism.

- **Reduces water retention**: Unlike many other steroids, Stanozolol is not prone to water retention, making it suitable for cutting phases.

### **3. Dosage and Usage**

#### **Common Dosage**:

- **Oral Form**:

- Male Dosage: 20-50 mg per day.

- Female Dosage: 5-10 mg per day.

- **Injection Form** (water soluble): 50 mg every two days (for men), women are advised to take a lower dose, usually 20-25 mg per week.

#### **Cycle Length**:

- Usually **6-8 weeks** to avoid overloading the liver.

- Beginners usually use a 6-week cycle, and experienced people may extend it to 8 weeks, but rarely exceed this length.

### **4. Half-Life and Pharmacokinetics**

- **Oral Form Half-Life**: About 9 hours.

- **Injection Form Half-Life**: 24 hours (depending on its water solubility).

- Therefore, oral forms need to be taken multiple times a day to maintain plasma concentrations, while injectable forms are usually injected once a day or every other day.

### **5. Cycling and Stacking**

#### **Cutting Cycle**:

- Stanozolol is often combined with other non-aromatizing steroids (such as Trenbolone, Masteron) to achieve more significant fat loss and muscle retention effects.

#### **Bulk Cycle**:

- Although Winstrol is mainly used for cutting, it is sometimes combined with testosterone (such as Testosterone Propionate) for mild muscle gain.

### **6. Risks and Side Effects**

#### **Major Side Effects**:

1. **Hepatotoxicity**:

- The oral form has significant stress on the liver due to the 17α-alkylation modification. Regular monitoring of liver function indicators (such as ALT, AST) is essential.

2. **Joint Dryness and Pain**:

- Stanozolol may reduce synovial fluid in joints, causing joint stiffness and pain.

3. **Cardiovascular Risk**:

- It lowers HDL (high-density lipoprotein) levels while raising LDL (low-density lipoprotein) levels, increasing the risk of cardiovascular disease.

4. **Androgenic Side Effects**:

- Although it is a low-androgenic steroid, high doses may still cause hair loss, acne, and body hair growth (especially in women).

5. **Suppression of Endogenous Testosterone**:

- Post-cycle therapy (PCT) is usually required after use to help restore endogenous testosterone secretion.

### **7. Contraindications and Precautions**

- **Not Recommended**: Pregnant women, breastfeeding women, patients with liver and kidney dysfunction or cardiovascular disease are prohibited from using it.

- **Monitoring Requirements**: Regular monitoring of liver function, blood lipids and cardiovascular health is required during use.

- **Legality**: In many countries, Stanozolol is a controlled substance and its purchase and use must comply with local laws.

### **8. Conclusion**

Stanozolol is widely used in bodybuilding and sports due to its unique properties, but its potential side effects and risks require users to strictly control dosage and cycle and receive professional guidance. For users for non-medical purposes, the pros and cons should be weighed, especially considering its potential effects on the liver and cardiovascular system.

Stanozolol (Winstrol) original powder is a synthetic anabolic steroid, mainly used to increase muscle, enhance strength and improve athletic performance, and also has medical uses for treating certain diseases. The following is a detailed introduction to its applicable population, working principle and usage and dosage:

### **I. Applicable population**

1. **Bodybuilding and fitness enthusiasts**

- The goal is to increase muscle lines and density while reducing fat.

- It is more suitable for people who want a "clean" look rather than large muscles.

2. **Athletes**

- Need to improve strength, speed and endurance, and are sensitive to weight restrictions (such as track and field athletes).

3. **Medical patients (medical scenarios)**

- Used to treat certain diseases, such as osteoporosis, muscle-wasting diseases (such as HIV-related muscular atrophy), hereditary angioedema, etc.

4. **Those who reduce edema or increase muscle hardness**

- Due to its low water retention characteristics, it is often used to reduce water retention between muscles to achieve a more obvious muscle separation effect.

### **II. Working Principle**

The main mechanism of action of Stanozolol is based on its effect on androgen receptors, which is manifested in the following points:

1. **Anabolic Enhancement**

- Stimulates protein synthesis and promotes the growth of muscle tissue.

2. **Reduces Water Retention**

- Compared with other steroids, Stanozolol reduces the "bloated" appearance caused by salt and water retention.

3. **Promotes Erythropoiesis**

- Increases the number of red blood cells in the blood and improves oxygen delivery capacity, thereby improving exercise endurance and recovery speed.

4. **Inhibits Glucocorticoids**

- Reduces the effects of catabolic hormones and protects muscles from being broken down.

5. **Enhances Bone Density**

- Improves bone strength by increasing the mineral density in bones when treating osteoporosis.

### **III. Usage and Dosage**

> **Note: Non-medical use has legal risks and should be treated with caution! Please be sure to consult a professional. **

#### **1. Usage**

- **Oral**

- As a 17α-alkylated steroid, Stanozolol can be directly absorbed orally.

- **Injection**

- The injectable form of Stanozolol uses an aqueous solution and is suitable for users who need a longer-lasting effect.

#### **2. Recommended dose**

(The following is a common dose range, for reference only, actual use should be adjusted individually)

- **Male users**

- **Oral**: 10-50 mg per day.

- **Injection**: 50-100 mg per week (in multiple injections).

- **Female users**

- **Oral**: 5-10 mg per day (to avoid masculinization side effects).

- **Injection**: 25 mg per week.

#### **3. Cycle duration**

- The generally recommended cycle is 4-6 weeks.

- Extended use may increase the risk of hepatotoxicity or other side effects.

### **Fourth, side effects and precautions**

1. **Common side effects**

- Hepatotoxicity (especially oral form)

- Symptoms of masculinization (for women, such as deepening of voice and increased body hair)

- Hair loss (for those with hereditary hair loss tendency)

- Dry joints (due to reduced joint lubrication)

2. **Contraindications**

- Pregnant or lactating women

- Patients with hepatic and renal insufficiency

- Those at risk of cardiovascular disease

3. **Precautions for use**

- Combined use of liver-protecting drugs (such as taurine and glutathione) to reduce the burden on the liver.

- Regularly monitor liver function and blood indicators.

- Avoid long-term use and strictly adhere to the recommended dose.

### **Five, Summary**

Stanozolol is a highly effective anabolic steroid suitable for users who pursue muscle lines, strength improvement and fat reduction, but be aware of its potential side effects. Whether for sports needs or therapeutic purposes, it is recommended to use it reasonably under the guidance of professionals and comply with local laws and regulations.

Stanozolol, also known as Winstrol, is a synthetic **androgen and anabolic steroid (AAS)** that was originally used to treat medical problems related to hormone deficiency. Today, it is also commonly used in **fitness and sports**. Here are the detailed benefits of Stanozolol raws powder:

### **Medical Benefits**

1. **Treatment of Hereditary Angioedema**

Stanozolol is used to treat hereditary angioedema (HAE), a disease that causes recurrent swelling of the face, hands, throat, etc. Stanozolol can reduce the frequency and severity of swelling episodes by increasing the levels of plasma proteins such as C1 esterase inhibitors.

2. **Enhance erythropoiesis**

It can stimulate the production of red blood cells and improve oxygen delivery, which is helpful in treating anemia and other blood diseases.

3. **Promote protein synthesis**

Stanozolol can help patients improve muscle atrophy caused by surgery, trauma or long-term diseases (such as chronic disuse diseases), promote tissue repair and recovery.

4. **Improve bone health**

When treating osteoporosis, stanozolol can help improve bone density and reduce the risk of fractures.

### **Benefits in fitness and sports**

#### **1. Enhance muscle mass (dry muscle growth)**

- **Features**: Stanozolol is known for promoting high-quality "dry muscle" growth. Unlike other steroids, it does not significantly increase water retention, which means that muscle lines are tighter and clearer.

- **Advantages**: Especially suitable for bodybuilders or fitness enthusiasts who pursue a beautiful body shape.

#### **2. Improve strength and endurance**

- **Mechanism of action**: Stanozolol can improve the contractility of muscle fibers and improve the number of red blood cells, thereby improving strength and athletic performance.

- **Applicability**: Often used by athletes who need explosive power, such as sprinters, weightlifters, and wrestlers.

#### **3. Reduce body fat and increase muscle separation**

- Stanozolol is particularly effective in cutting cycles, helping users reduce body fat while retaining muscle mass, making the muscles more layered and separated.

#### **4. Improve athletic performance**

- Stanozolol has a strong ability to improve speed, strength, and flexibility, which enables athletes to perform better in competitions.

#### **5. Anti-estrogen effect**

- Stanozolol does not convert into estrogen, thus avoiding estrogen-related side effects (such as male breast hyperplasia, water retention, etc.). This is an important advantage for users who want to maintain clean lines.

### **Other benefits**

1. **High bioavailability**

- Stanozolol can be taken orally or injected, with high oral bioavailability and easy use, suitable for those who do not like injections.

2. **Reduce gender-specific side effects**

- Stanozolol has a weaker androgenic effect, so it is relatively safe when used in women, reducing the risk of masculinization side effects.

3. **Help improve collagen synthesis and soft tissue health**

- Some studies have shown that it can help strengthen ligament and tendon health and help quickly recover from injuries.

### **Precautions for potential side effects**

Although Stanozolol has many benefits, there are also potential risks, including but not limited to:

- Hepatotoxicity (especially oral form)

- Abnormal cholesterol levels (lower HDL, increase LDL)

- Cardiovascular problems (increased blood pressure, increased risk of arteriosclerosis)

- Suppression of testosterone secretion (need to cooperate with post-cycle treatment of PCT)

- Joint discomfort (due to reduced water around the joints)

Therefore, it is recommended to consult a medical or professional before use to ensure safe and reasonable use.

### **Summary**

Stanozolol (Winstrol) raw powder is a versatile anabolic steroid with a wide range of benefits, including promoting muscle growth, improving athletic performance, reducing body fat, and increasing strength. It has both medical uses and is popular in the field of bodybuilding and sports. However, you should pay attention to its potential risks when using it to ensure reasonable and responsible use.

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