USP36 Polvo de propionato de drostanolona (Mástil P) Esteroide a la venta | Compre Masteron Powder de la fuente legal de esteroides anabólicos | Precio al por mayor | Solo calidad farmacéutica premium
Drostanolone Propionate Powder Chemical Properties
- Nombre de la IUPAC: (2α,5α,17β)-2-Methyl-3-oxoandrostane-17-carboxylic acid 17-propionate
- Fórmula química: C23H36O3
- Peso molecular: 360.53 g/mol
- Número CAS: 521-12-0
Drostanolone Propionate Powder Mechanism of Action
Drostanolona Propionato en polvo binds to androgen receptors, promoting muscle protein synthesis and nitrogen retention. It also has strong anti-estrogenic properties, making it useful for preventing estrogen-related side effects such as gynecomastia (Desarrollo del tejido mamario en los hombres). The propionate ester allows for a quick release and shorter half-life, necessitating more frequent injections.
What is Drostanolone Propionate Powder
Drostanolone Propionate powder, comúnmente conocido como Masteron powder, es un producto sintético esteroide anabólico-androgénico (AAS) Derivado de la dihidrotestosterona (DHT (Impuesto sobre la T). Masteron Propionate is known for its strong anti-estrogenic properties. This makes it particularly useful for bodybuilders looking to enhance muscle definition and reduce body fat without experiencing estrogen-related side effects like gynecomastia (El desarrollo del tejido mamario en los hombres).
Primarily used during cutting cycles, Masteron is favored by athletes and bodybuilders for its ability to improve muscle hardness and overall muscle appearance. It binds to androgen receptors, promoting protein synthesis and muscle nitrogen retention. The propionate ester attached to Drostanolona ensures a quick release and a shorter half-life, necessitating more frequent injections. Typical dosages range from 300 Para 600 mg por semana, often administered every other day, and cycles usually last from 6 Para 12 Semanas.
While Masteron Propionato en polvo offers benefits like enhanced muscle definition, Pérdida de grasa, y aumento de la fuerza, También tiene posibles efectos secundarios. These can include androgenic effects such as acne, alopecia, y aumento del crecimiento del vello corporal. It may also negatively impact cholesterol levels, Aumentar el riesgo de enfermedades cardiovasculares. Adicionalmente, the use of Drostanolone Propionate can suppress natural testosterone production, Requerir Terapia post-ciclo (PCT) to help restore hormonal balance. Users might also experience pain or irritation at the injection site.
How to Use Drostanolone Propionate Powder:
Dosificación: Drostanolone Propionate is typically dosed between 300mg to 600mg per week, dependiendo de la experiencia y los objetivos del usuario.
Duración del ciclo: Typical cycles for Drostanolone Propionate last between 6 Para 8 Semanas, especialmente durante las fases de corte, to retain muscle while reducing fat.
Opciones de apilamiento: Drostanolone Propionate is commonly stacked with other Esteroides anabólicos, such as Testosterone or Trenbolone, to enhance cutting cycle results.

Drostanolone Propionate Powder Benefits
Drostanolone Propionate is used in a cutting cycle. It is often considered to be a weaker steroid because of its lack of bulking capabilities; it suits anyone who wants the most extreme possible results from a cutting cycle. Following are the main benefits and effects of Masteron.
- Hard and Dry Look
Masteron is the ultimate late-stage cutting steroid for physique enhancement. It isn’t a muscle mass gainer but can help with overall muscle hardening.
- Fuerza
masteron propionate can provide some moderate boosts to strength, which helps enhance workouts.
- Pérdida de grasa
Mast props can enhance fat loss, build upon your lean body, and work well when combined with powerful fat-burning steroids like Winstrol.
- Increases Effect of Other Steroids
Mast P steroid has good anti-aromatase and anti-estrogenic properties. Most people stack other steroids with Masteron, and by doing so, they not only get the positive effects of Masteron itself as part of a stacking cycle but also the positive effects of the other steroids. [ncbi.nlm.nih.gov – Masteron]
Drostanolone Propionate Powder Certificate of Analysis
| Nombre del producto |
Propionato de drostanolona |
| N.º de lote. |
DP20240705 |
Mfg. Fecha |
2024.7.5 |
| Fecha de análisis |
2024.7.6 |
Fecha de caducidad |
2027.7.4 |
| Embalaje |
1kg/bolsa de aluminio |
Cantidad |
50kg |
| Ref. Estándar |
USP36 |
| Prueba |
Especificación |
Resultados del análisis |
| Características |
White to almost white crystalline powder |
Cumple |
| Pureza |
97.0 ~ 103.0% |
99.10% |
| Particle size |
100%≤20um |
Pasar |
| Identificación |
TLC |
Positivo |
| IR spectrum |
Positivo |
| UV spectrum |
Positivo |
| Punto de fusión |
124 ~ 128℃ |
127°C |
| Pérdida por secado |
≤0.5% |
0.23% |
| Rotación óptica específica |
﹢26°~﹢32° |
﹢27° |
| Residuo en la ignición |
≤0.05% |
0.03% |
| Solubilidad |
practically insoluble in water, freely soluble in chloroform, slightly soluble in alcohol and vegetable oil |
Pasar |
| Metal pesado |
≤20 ppm |
10ppm |
| Residual solvents (GC) |
Acetona≤5000ppm |
Pasar |
| Pyridine≤200ppm |
Pasar |
| Metanol ≤3000ppm |
Pasar |
| Methylene chloride ≤ 600ppm |
Pasar |
| Conclusión |
La especificación se ajusta a USP36 |
| Q.C.Depto.. Director: Zhang Hua |
Verificador: Wu Ming |
Identificador: Han Zhen |
Drostanolone Propionate Powder Side Effects
① Androgenic Side Effects: Drostanolone Propionate is a derivative of dihydrotestosterone (DHT (Impuesto sobre la T), which can lead to androgenic side effects such as acne, pieles grasas, y la caída del cabello, particularmente en hombres predispuestos a la calvicie de patrón masculino. These side effects are a result of increased androgenic activity, which stimulates the sebaceous glands and impacts hair follicles.
② Testosterone Suppression: Like many anabolic steroids, Masteron powder suppresses natural testosterone producción. This can lead to low testosterone symptoms after the cycle ends, including fatigue, disminución de la libido, y cambios de humor. Terapia post-ciclo (PCT) is often necessary to restore hormonal balance.
③ Cholesterol Imbalance: Drostanolone Propionate may negatively impact cholesterol levels, particularmente al reducir el HDL (Colesterol bueno) y el aumento del LDL (Colesterol malo). This imbalance increases the risk of cardiovascular issues, especially with prolonged use or higher doses. A heart-healthy diet and regular cardiovascular exercise can help mitigate these effects.
④ Virilization in Women: Women using Drostanolone Propionate powder may experience virilization symptoms, such as deepening of the voice, aumento del vello corporal, and disruptions in the menstrual cycle. These side effects are due to the steroid’s strong androgenic properties and are more likely to occur at higher doses.
⑤ Joint Pain: One of the benefits of Drostanolone Propionate is its ability to reduce water retention, but this can also result in “seco” joints. The lack of cushioning around the joints may cause discomfort or pain during intense training, especially in athletes who lift heavy weights regularly. Proper hydration and joint supplements may alleviate these symptoms.
Drostanolone Propionate Powder HNMR Report

Test Tren Mast Cycle
A cycle combining Testosterona (Prueba), Trembolona (Tren), y Masteron (Mast) is often used by bodybuilders and athletes for cutting, enhancing muscle definition, and increasing strength. Here’s a detailed overview of such a cycle:
Testosterona (Prueba E o C)
Dosificación: 300-500 mg por semana
Administración: Injected twice a week
Acetato de trembolona (Tren A)
Dosificación: 300-400 mg por semana
Administración: Se inyecta cada dos días
Drostanolone Propionate powder (Mástil P)
Dosificación: 300-400 mg por semana
Administración: Se inyecta cada dos días
Example Cycle Plan
Terapia Post-Ciclo (PCT)
Medicamentos PCT comunes:
Citrato de clomifeno (Clomid): 50 mg daily for the first two weeks, entonces 25 mg diarios durante las próximas dos semanas.
Tamoxifeno (Nolvadex): 20 mg daily for the first two weeks, entonces 10 mg diarios durante las próximas dos semanas.
Ejemplo de protocolo del PCT
- Semana 13-16:
- Clomid: 50 mg/día durante las dos primeras semanas, entonces 25 mg/día durante las próximas dos semanas
- Nolvadex: 20 mg/día durante las dos primeras semanas, entonces 10 mg/día durante las próximas dos semanas
A Test, Tren, and Mast cycle can deliver significant muscle definition, Ganancias de fuerza, y pérdida de grasa. Sin embargo, it also carries substantial risks, including hormonal imbalances and cardiovascular issues. Proper preparation, careful dosing, and diligent monitoring are crucial, as is a comprehensive post-cycle therapy to restore hormonal balance.
Masteron Powder Recipe
250ml Masteron Propionate @ 100mg/ml conversion recipe
- 25g Propionato de drostanolona en polvo (20Ml)
- 5ml de alcohol bencílico (2%)
- 50ml de benzoato de bencilo (20%)
- 175ml grape seed Oil
50ml Masteron P @ 200mg/ml homebrew recipe
- 10g Masteron powder (8Ml)
- 1.5ml de alcohol bencílico
- 10ml de benzoato de bencilo
- 28.5ml de oleato de etilo
- 2ml de Guaiacol
If you require additional homemade Mast P injection recipes, Por favor, haga clic en el botón Receta casera de propionato en polvo Masteron.
Masteron Steroid Injection
The following semi-finished Drostanolone Propionate injection was made using our Mast P powder and completed in our laboratory.

Dosis de Masteron
The appropriate dosage of Drostanolone Propionate powder can vary depending on factors like the user’s experience, Metas, and whether it’s combined with other steroids in a stack. Here are the typical dosages for different user levels:
Beginner Users:
Dosificación: 300-400 mg por semana
Administración: Se inyecta cada dos días (p. ej.., 100 mg cada dos días)
Usuarios intermedios:
Dosificación: 400-500 mg por semana
Administración: Se inyecta cada dos días (p. ej.., 150 mg cada dos días)
Usuarios avanzados:
Dosificación: 500-600 mg por semana
Administración: Se inyecta cada dos días (p. ej.., 200 mg cada dos días)
The appropriate dosage of Masteron powder varies based on the user’s experience level and goals. Beginner users typically start at lower dosages, while advanced users may take higher dosages for more pronounced effects. Regardless of the dosage, it is important to monitor for side effects and follow a comprehensive PCT plan after the cycle.
Mast P vs Mast E
Masteron Propionate (Mástil P) y Masteron Enanthate (Mástil E) are two forms of the anabolic steroid Drostanolone, differing mainly in their ester length, which affects their half-life, administration frequency, and onset of action. Aquí hay una comparación detallada de los dos:
| Propiedad |
Masteron Propionate (Mástil P) |
Masteron Enanthate (Mástil E) |
| Fórmula química |
C23H36O3 |
C27H40O3 |
| Peso molecular |
360.53 g/mol |
416.62 g/mol |
| Vida media |
Aproximadamente 2-3 Días |
Aproximadamente 7-10 Días |
| Frecuencia de administración |
Cada dos días |
Twice a week |
| Inicio de la acción |
Effects noticeable within the first week |
Effects noticeable around 2-3 Semanas |
| Duración del ciclo |
6-10 Semanas |
10-12 Semanas |
| Dosificación |
100 mg cada dos días |
200-400 mg por semana, divided into two injections |
| Beneficios |
Inicio más rápido, more control over blood levels, preferred for rapid results |
More stable blood levels, Menos inyecciones, better suited for longer cycles |
| Efectos secundarios |
Similar for both, incluidos los efectos androgénicos (acné, alopecia, aumento del vello corporal), Problemas cardiovasculares (impact on cholesterol), Desequilibrios hormonales (suppression of natural testosterone) |
Similar for both, incluidos los efectos androgénicos (acné, alopecia, aumento del vello corporal), Problemas cardiovasculares (impact on cholesterol), Desequilibrios hormonales (suppression of natural testosterone) |
| Typical Use |
Ciclos de corte, enhancing muscle definition and hardness |
Ciclos de corte, enhancing muscle definition and hardness |
Masteron Propionate Kick In Time
Propionato de drostanolona Powder is known for its relatively fast-acting effects compared to other anabolic steroids. Due to the propionate ester attached to drostanolone, it has a shorter half-life, Por lo general, alrededor de 2 Para 3 Días. This results in a quicker onset of action once administered.
Kick-in Time
Users generally begin noticing Masteron Propionate’s effects within the first week of starting their cycle. More pronounced changes, such as enhanced muscle hardness and definition and strength increases, are typically observed by the end of the second week. The quick kick-in time is attributed to the fast hormone release into the bloodstream due to the short ester.
Factors Influencing Kick-in Time
- Dosificación: Higher dosages can lead to more noticeable effects sooner.
- Frequency of Administration: Frequent injections (p. ej.., cada dos días) help maintain stable blood levels, enhancing the onset of effects.
- Respuesta individual: Factores genéticos, previous steroid use, and current physical condition can influence how quickly and strongly one feels the effects.
Typical User Experience
- Semana 1: Initial subtle changes in muscle tone and slight improvements in strength.
- Semana 2: Increased muscle hardness, Apariencia más definida, and noticeable strength gains.
- Semana 3 y más allá: Continued enhancement of muscle definition and overall performance.
Masteron Propionate is valued for its quick onset of action, with users typically noticing its effects within the first two weeks. This makes it popular for athletes and bodybuilders preparing for competitions or seeking rapid muscle definition and strength improvements.
Why Choose AASPHARM for Drostanolone Propionate Powder
(1) Probado en laboratorio para calidad y seguridad: Every batch of our Drostanolone Propionate powder is thoroughly tested to guarantee a minimum purity of 99%, ensuring that you receive a reliable and effective product.
(2) Precios al por mayor & Envío rápido: Ofrecemos precios competitivos tanto para pedidos pequeños como grandes. Fast and discreet shipping is available to ensure your product arrives safely and on time.
(3) Proveedor de confianza: AASPHARM has earned a reputation for providing high-quality Polvos de esteroides anabólicos. Our commitment to product excellence and customer satisfaction makes us a trusted choice for bodybuilders and athletes.
Garantía de satisfacción del cliente
At AASPHARM, we are confident in the quality of our Drostanolone Propionate powder (Masteron). Si no está completamente satisfecho con su compra, Ofrecemos una garantía de devolución de dinero. Adicionalmente, Ofrecemos reenvío gratuito si su pedido es incautado o no llega. Nuestro equipo de atención al cliente está disponible 24/7 para ayudar con cualquier pregunta o inquietud.
Order Your Pure Drostanolone Propionate Powder Today
Logre sus objetivos de culturismo con nuestro equipo probado en laboratorio, high-purity Masteron powder. AASPHARM offers competitive bulk pricing, Envío rápido, y un servicio excepcional para garantizar que reciba un producto de la más alta calidad para sus necesidades. Order now and experience the powerful muscle-defining benefits of Drostanolone Propionate for yourself!
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