Package: 1 vial (100mg/ml 10ml)

Active Substance: Drostanolone Propionate

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Masteron 100 from Dragon Pharma, also known as Drostanolone Propionate, is a popular injectable anabolic steroid among bodybuilders and athletes. Its primary use is for enhancing muscle hardness and density, making it an excellent choice during cutting cycles. Masteron 100 is particularly favored by those preparing for competitions, as it helps achieve a lean, defined physique without significant water retention. Additionally, it is used medically in the treatment of certain types of breast cancer, owing to its anti-estrogenic properties. This dual-purpose makes Masteron 100 a versatile and effective steroid for both performance enhancement and therapeutic applications.


Despite its benefits, Masteron 100 is not suitable for everyone. Individuals with a history of prostate cancer or breast cancer in men should avoid using this steroid due to its potential to exacerbate these conditions. It is also contraindicated in those with severe liver or kidney disease, as anabolic steroids can place additional strain on these organs. Pregnant or breastfeeding women should not use Masteron 100, as its effects on fetal development are not well-studied. Furthermore, individuals with known allergies to Drostanolone Propionate or any of the drug’s components should refrain from using it to prevent adverse reactions.


Proper administration of Masteron 100 is crucial to achieve desired results and minimize side effects. The drug is typically administered via intramuscular injection, with common injection sites including the glutes, thighs, and deltoids. The dosage and frequency of administration depend on the user’s experience level and goals. For beginners, a common dosage is 300 mg per week, divided into two or three injections. More experienced users may increase the dosage to 400-500 mg per week. Masteron 100 is often used in conjunction with other anabolic steroids to enhance its effects and create a more comprehensive cutting cycle. It is essential to follow a structured cycle and not exceed recommended dosages to avoid adverse health effects.

Medical Action

Masteron 100 works by binding to androgen receptors in the body, promoting anabolic activity and inhibiting estrogenic effects. Drostanolone Propionate, the active ingredient, is a derivative of dihydrotestosterone (DHT), which means it does not convert to estrogen. This property makes it highly effective in preventing water retention and gynecomastia, common issues with other anabolic steroids. By enhancing protein synthesis and nitrogen retention, Masteron 100 helps in preserving lean muscle mass while promoting fat loss. Its anti-estrogenic action is particularly beneficial for competitive bodybuilders, as it helps achieve a dry, shredded look that is highly sought after on stage.


Before starting a Masteron 100 regimen, several precautions should be taken. Users should undergo a thorough medical evaluation to ensure they do not have any underlying health conditions that could be worsened by steroid use. Regular monitoring of liver and kidney function is essential, as anabolic steroids can stress these organs. Maintaining a healthy diet and staying well-hydrated can help mitigate some side effects and support overall health.

It is also important to avoid combining Masteron 100 with other hepatotoxic drugs or substances that could strain the liver. Users should adhere strictly to the recommended dosage and cycle guidelines to prevent potential health risks. Consulting with a healthcare professional before starting Masteron 100 is highly recommended to ensure safe and effective use.

Side Effects

Like any potent drug, Masteron 100 can cause a range of side effects, some of which may be severe. Common side effects include acne, oily skin, and increased body hair growth due to its androgenic properties. Male users may experience testicular atrophy, decreased sperm production, and potential infertility with prolonged use. Women using Masteron 100 may develop virilization symptoms, such as deepening of the voice, increased body hair, and menstrual irregularities.

Other potential side effects include cardiovascular issues, such as elevated blood pressure and changes in cholesterol levels, which can increase the risk of heart disease. Users may also experience mood swings, aggression, and other psychological effects due to hormonal imbalances. In rare cases, Masteron 100 can cause severe allergic reactions, characterized by rash, itching, swelling, and difficulty breathing. If any severe side effects occur, users should discontinue use immediately and seek medical attention.


Overdosing on Masteron 100 can lead to serious health complications. Symptoms of overdose may include severe liver damage, kidney damage, and significant cardiovascular strain. In extreme cases, overdose can result in life-threatening conditions such as heart attack or stroke. If an overdose is suspected, immediate medical intervention is necessary to stabilize the individual and prevent further complications.

It is important to adhere to the recommended dosage guidelines and avoid exceeding the maximum dose. Users should be aware of their body’s response to the drug and make adjustments as needed to prevent overdosing. Regular monitoring of cardiovascular and overall health is crucial during the use of Masteron 100.


Masteron 100 from Dragon Pharma offers a potent solution for individuals seeking to enhance muscle hardness, density, and overall physique. By combining Drostanolone Propionate, this injectable steroid provides powerful anabolic and anti-estrogenic effects, making it a popular choice among athletes and bodybuilders during cutting cycles. However, its use comes with significant risks, particularly for those with preexisting health conditions. Careful administration, adherence to dosage guidelines, and regular medical monitoring are essential for safe and effective use. Always consult with a healthcare professional before starting any new drug regimen to ensure it is appropriate for your individual health needs and goals.


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