Description

Technical Parameters

Introduction

OIL

oil

product-1400-1400

Products Description

### Systematic analysis of FIERCE brand high-quality oil Masteron Enan 200

#### 1. Product Overview

**FIERCE Masteron Enan 200** is a high-purity injectable oil steroid with **Drostanolone Enanthate (Drostanolone Enanthate)** as the core active ingredient, developed and produced by the internationally renowned sports nutrition brand FIERCE. Its design concept takes into account the needs of competitive athletes, bodybuilding enthusiasts and specific medical scenarios. It prolongs the half-life of the drug through the optimized ester chain structure (Enanthate), reduces the injection frequency, and maintains a stable blood drug concentration. The product is marked by a high-concentration formula of **200 mg/mL**, combined with sterile carrier oil and advanced preparation technology, becoming one of the benchmark products in the field of anabolic steroids.

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#### 2. Chemical structure and pharmacological properties

1. **Core ingredients**

- **Drostanolone Enanthate** is a dihydrotestosterone (DHT) derivative. Through chemical modification, an enanthate chain (Enanthate Ester) is introduced at the 17β hydroxyl position of DHT, which significantly improves fat solubility and delays drug release.

- **Molecular formula**: C27H42O3

- **Molecular weight**: 414.62 g/mol

- **Half-life**: about 10-14 days. The efficacy can last for more than 2 weeks after a single injection, reducing the burden of frequent injections.

2. **Mechanism of action**

- **Antiestrogen properties**: By inhibiting aromatase activity, blocking the conversion of testosterone to estrogen, effectively preventing breast development (Gynecomastia) and water retention.

- **Androgen receptor affinity**: Directly activates the androgen receptors of muscle cells, promotes protein synthesis and nitrogen retention, and improves muscle hardness and separation.

- **Metabolic regulation**: inhibits cortisol release, reduces muscle breakdown after training, and accelerates recovery.

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#### 3. Physical and chemical properties

1. **Solvent system**

- **Carrier oil**: medical grade **grapeseed oil** or **cottonseed oil**, with low viscosity and high biocompatibility, ensures smooth injection and reduces local irritation.

- **Cosolvent**: Benzyl alcohol is added as a preservative and mild analgesic, and the concentration is strictly controlled at 1-2% to balance safety and comfort.

2. **Physical and chemical parameters**

- **Appearance**: transparent to light yellow oily liquid, no suspended particles or crystal precipitation (sterility is ensured by microfiltration technology).

- **pH value**: adjusted to 6.8-7.4, close to the physiological environment of the human body, reducing the risk of inflammation at the injection site.

- **Viscosity**: 35-45 cP at 25°C, suitable for 25-27G needles for smooth injection.

- **Stability**: Valid for 3 years under light-proof storage conditions, with a temperature tolerance range of 2-25°C, and avoid freezing or high temperature that causes ester chain hydrolysis.

3. **Purity and safety**

- **HPLC purity** ≥99.8%, residual solvent (such as ethyl acetate) content less than 0.01%.

- **Aseptic process**: Terminal sterilization that meets GMP standards (double protection of high-pressure steam sterilization + 0.22μm microfiltration).

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#### 4. Core advantages of the product

1. **High-efficiency muscle building and shaping**

- **Low water retention**: Compared with other steroids (such as Deca Durabolin), Masteron Enan 200 hardly causes subcutaneous edema, making muscle lines drier and sharper, especially suitable for use during the pre-match degreasing period.

- **Increase muscle density**: By increasing myofibrillar protein synthesis, it gives muscles a "granite" texture.

2. **Anti-estrogen advantage**

- **No need for additional anti-estrogen drugs**: It has strong anti-aromatase ability, reducing the need for combined use of AI (Aromatase Inhibitor).

- **Preventing body fat rebound**: Inhibits estrogen-mediated fat storage, especially during a low-calorie diet.

3. **Tolerance and convenience**

- **Low hepatotoxicity**: Non-17α alkylated structure, avoiding the liver burden of oral steroids.

- **Long-acting sustained release**: 1-2 injections per week can maintain stable blood drug concentration and improve compliance.

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#### 5. Application fields and usage scenarios

1. **Competitive bodybuilding field**

- **Pre-game sprint stage**: As a core drug for "hardening", it is used in combination with Trenbolone and Winstrol to eliminate subcutaneous moisture and highlight vascular texture.

- **Dosage regimen**: 400-600 mg/week, divided into 2 intramuscular injections (such as Monday/Thursday), cycle 8-12 weeks.

2. **Off-season muscle gain**

- **Synergistic**: Combined with Testosterone Enanthate and Boldenone to form a muscle gain cycle, increase lean body mass and reduce fat accumulation.

- **Dose adjustment**: 200-400 mg/week, to assist in controlling estrogen levels.

3. **Medical application (must follow doctor's advice)**

- **Adjuvant treatment of breast cancer**: Use its anti-estrogen properties to inhibit the growth of estrogen-dependent tumors.

- **Muscular dystrophy**: Improve muscle mass and strength in cachexia patients.

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#### 6. Safety and potential risks

1. **Common side effects**

- **Androgen-related**: acne, hair loss (for genetically susceptible people), hypersexuality.

- **Injection site reaction**: Occasionally redness, swelling or nodules (related to injection technique or individual sensitivity).

2. **Risk Control**

- **Blood Monitoring**: Regularly test blood lipids (may reduce HDL) and hematocrit (HCT).

- **PCT (post-cycle therapy)**: It is recommended to use HCG + SERM (such as tamoxifen) to restore endogenous testosterone secretion.

3. **Contraindications**

- Patients with prostate disease, pregnant women, and those with severe liver and kidney dysfunction.

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#### 7. Color and packaging specifications

1. **Appearance design**

- **Oil color**: Due to differences in carrier oil, it is **transparent and colorless (cottonseed oil)** or **light gold (grapeseed oil)**, and the consistency between batches is strictly calibrated by a spectrophotometer.

- **Label logo**: Printed in black font, including batch number, expiration date, concentration (200 mg/mL) and anti-counterfeiting QR code.

2. **Packaging form**

- **Single-dose ampoule**: 1 mL brown glass ampoule, pre-scratched design for easy opening, suitable for short-term use.

- **Multi-dose bottle**: 10 mL sterile glass bottle with bromobutyl rubber stopper, suitable for 18G suction needle.

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#### 8. Market positioning and brand advantages

1. **Technical barriers**

- **Nanodispersion technology**: Ensure that the drug is evenly dispersed in the oil phase to avoid crystallization or pain caused by excessive local concentration.

- **Patented ester chain optimization**: Balance the release rate and peak-to-valley fluctuations by adjusting the carbon chain length of Enanthate ester.

2. **Brand credibility**

- **Third-party certification**: Passed anti-doping tests such as Informed-Sport, promising zero cross-contamination risk.

- **User reputation**: Selected as "Top 10 Contest Prep Compounds" by "Flex" magazine for 5 consecutive years.

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#### 9. Recommendations and precautions for use

1. **Injection technique**

- **Recommended sites**: gluteus maximus and vastus lateralis, deep intramuscular injection with a 23G 1.5-inch needle.

- **Injection speed**: It is recommended to take more than 30 seconds for each 1 mL to reduce the mechanical stimulation of the oil to the tissue.

2. **Cycle management**

- **Beginner users**: It is recommended to start with 200 mg/week and gradually increase the dosage after observing tolerance.

- **Cycle length**: No more than 16 weeks to avoid diminishing returns due to downregulation of androgen receptors.

3. **Law and ethics**

- **Compliance statement**: Only for scientific research or prescription use, athletes must comply with the anti-doping regulations of their organization (listed as S1 prohibited substances on the WADA list).

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#### 10. Conclusion

FIERCE Masteron Enan 200 has become an indispensable "bodybuilding tool" in the high-level steroid cycle due to its excellent physical and chemical stability, precise pharmacological positioning and brand process guarantee. However, users need to fully weigh the benefits and risks, combine medical supervision with scientific cycle management, maximize its effectiveness while avoiding health risks. In the future, with the iteration of formulation technology, FIERCE may further develop sustained-release microspheres or transdermal formulations to broaden its application boundaries.