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Products Description

### Systematic introduction to Superdrol/Methasteron raw material powder

Superdrol (chemical name **Methasteron**, CAS number **3381-88-2**) is a potent anabolic steroid (AAS) originally developed by American pharmaceutical companies in the 1950s, but has never been officially marketed as a prescription drug. Due to its significant muscle-building effect and low androgenic side effects, it has been widely abused in the fitness circle and competitive sports since the early 2000s. The following systematically analyzes its characteristics, applications and controversies from multiple dimensions.

#### 1. Chemical and physical properties

**1. Basic chemical information**

- **Chemical name**: 2α,17α-dimethyl-5α-androstane-3-one-17β-ol

- **Molecular formula**: C21H32O2

- **Molecular weight**: 316.48 g/mol

- **CAS number**: 3381-88-2

- **Appearance**: White to off-white crystalline powder

- **Solubility**: Almost insoluble in water, easily soluble in organic solvents (such as ethanol, DMSO).

**2. Structural characteristics**

Superdrol is a dimethylated androstane derivative, and its structural characteristics include:

- **C17-α methylation**: Enhances oral bioavailability, but increases the risk of hepatotoxicity.

- **C2-α methylation**: Reduces the binding rate with sex hormone binding globulin (SHBG) and prolongs the half-life.

- **5α-reductase stability**: It cannot be converted into dihydrogen derivatives, avoiding some androgenic side effects (such as hair loss and prostate hypertrophy).

**3. Synthesis route**

Its industrial synthesis usually starts with dehydroepiandrosterone (DHEA) through the following key steps:

1. **Oxidation reaction**: Oxidation of DHEA's 3β-hydroxyl group to keto group.

2. **Methylation**: Introducing methyl groups at C2 and C17.

3. **Reduction and purification**: The final product is purified by crystallization to obtain high-purity raw material powder.

#### 2. Pharmacological properties

**1. Mechanism of action**

- **Androgen receptor (AR) agonist**: Binds to AR in muscle cells, activates transcription factors, and promotes protein synthesis.

- **Anti-glucocorticoid effect**: Inhibits the catabolic effect of cortisol and reduces muscle loss.

- **Low estrogen activity**: No aromatase conversion pathway, avoiding water retention and estrogenic side effects (such as male breast development).

**2. Pharmacokinetics**

- **Half-life**: about 8-10 hours, oral administration in divided doses daily.

- **Bioavailability**: about 60-70% (thanks to C17-α alkylation).

- **Metabolic pathway**: mainly metabolized to inactive products by liver CYP3A4 enzyme, excreted by kidneys.

#### 3. Application areas

**1. Fitness and competitive sports**

- **Muscle-building effect**: 5-10 pounds of lean body mass can be increased in a short period (4-6 weeks), without water storage effect, and muscle lines are obvious.

- **Strength improvement**: significantly improve explosive power by increasing muscle fiber cross-sectional area and creatine phosphate reserves.

- **Competition ban**: listed as a banned substance by WADA (World Anti-Doping Agency) and most sports federations.

**2. Potential medical use (not approved)**

- **Cachexia treatment**: Exploratory studies have been conducted on muscle atrophy in patients with cancer or AIDS.

- **Osteoporosis**: Increases bone density by promoting osteoblast activity, but long-term safety data is lacking.

#### 4. Comparison of advantages and risks

**1. Core advantages**

- **Highly effective anabolic**: The efficacy is about 400% of testosterone and does not rely on injection.

- **Controllable side effects**: Low androgen activity reduces acne, hair loss and other problems.

- **Quick onset**: Users usually feel strength improvement within 1-2 weeks.

**2. Main risks and controversies**

- **Hepatotoxicity**: C17-α alkylation leads to increased ALT/AST, which may induce cholestatic hepatitis.

- **Cardiovascular effects**: Reduces HDL ("good cholesterol") by 80%, increasing the risk of atherosclerosis.

- **Endocrine inhibition**: HPTA axis inhibition is significant, and PCT (such as tamoxifen) is required after the cycle to restore testosterone secretion.

- **Legal issues**: It is listed as a controlled substance in many countries such as the United States, Canada, and Australia, and illegal possession may result in criminal penalties.

#### 5. Legal and market status

**1. International regulation**

- **United States**: DEA lists it as Schedule III of the Controlled Substances Act (prescription required).

- **EU**: Most countries prohibit sales for non-medical purposes.

- **Gray market**: Raw powder is often circulated from suppliers in China and India under the name of "research chemicals", and the purity varies (60-95%).

**2. Typical user profile**

- **Competitive athletes**: Short-term sprint use to avoid the drug testing window period.

- **Bodybuilding enthusiasts**: As a "dry-boosting" drug during the preparation period, combined with other AAS (such as trenbolone).

#### 6. Alternatives and safety recommendations

**1. Legal alternatives**

- **Selective androgen receptor modulators (SARMs)**: such as LGD-4033, provide partial anabolic effects and low liver toxicity.

- **Natural testosterone stimulants**: Fadogia agrestis, boron, etc., but the effect is weak.

**2. Usage recommendations (theoretical discussion only)**

- **Cycle length**: ≤6 weeks, with liver function support (silymarin, NAC).

- **Dose control**: 10-20mg/day, avoid superimposing other 17-alpha alkylated steroids.

- **Monitoring indicators**: ALT/AST, blood lipids and blood pressure are tested weekly.

#### 7. Summary

Superdrol/Methasteron has become a controversial topic due to its potent muscle-building ability, but its liver toxicity and cardiovascular risks far outweigh the short-term benefits. Although the raw powder is circulated in the gray market, users need to weigh the legal and health consequences. In the future, the development of more targeted androgen receptor modulators may be an alternative direction, but current supervision still needs to strengthen the control of the raw material supply chain.