Chemical name: (2α,5α,17β)-2-Methyl-3-oxoandrostan-17-yl propanoate
Formula: C23H36O3
Anabolic activity index: 62%
Androgenic activity index: 25%
MASTO P 100 10ml VIAL – PARA PHARMA
MASTO P 100 is an injectable anabolic steroid formulation manufactured by Para Pharma. Each vial contains 10 milliliters of solution, with a concentration of 100 milligrams per milliliter (100 mg/ml) of Drostanolone Propionate, the active substance known for its potent androgenic properties.
Key Features:
- Anabolic Steroid: MASTO P 100 contains Drostanolone Propionate, a derivative of dihydrotestosterone (DHT) with strong androgenic effects and moderate anabolic properties. It is valued in bodybuilding and athletic circles for its ability to promote lean muscle mass and enhance muscle hardness and density.
- Manufacturer: Para Pharma: Produced by Para Pharma, a reputable pharmaceutical company known for its commitment to quality and adherence to strict manufacturing standards. Para Pharma ensures the purity, potency, and safety of its products through rigorous quality control processes.
Indications:
- MASTO P 100 is primarily indicated for bodybuilders and athletes seeking to enhance muscle definition, hardness, and overall physique aesthetics.
- It is commonly used during cutting cycles to preserve lean muscle mass while promoting a dry and vascular appearance.
Dosage and Administration:
- The dosage of MASTO P 100 should be individualized based on factors such as the user’s experience level, goals, and tolerance to the steroid.
- Typically, MASTO P 100 is administered via intramuscular injection. The recommended dosage for men ranges from 300 to 500 mg per week, divided into smaller injections throughout the week.
- Female users should use caution with MASTO P 100 due to its androgenic effects. The dosage for women is significantly lower and should be carefully monitored.
Storage Information:
- Store MASTO P 100 in a cool, dry place away from direct sunlight.
- Keep the vial securely closed when not in use to prevent contamination.
- Ensure that MASTO P 100 is stored out of reach of children and pets.
Precautions and Warnings:
- MASTO P 100 should only be used by healthy adults who have consulted with a healthcare professional and are aware of the potential risks associated with anabolic steroid use.
- Users should undergo regular health monitoring, including blood tests, to assess liver function, lipid levels, and other health markers.
- Avoid combining MASTO P 100 with other hepatotoxic substances or medications that may exacerbate its side effects.
Disclaimer:
- MASTO P 100 is a potent anabolic steroid intended for use by individuals seeking to enhance muscle definition and hardness. It should only be used under the guidance of a healthcare professional or experienced fitness expert.
- This product description provides general information about MASTO P 100 and is not intended to replace medical advice. Users should consult with a healthcare professional before using this product and should strictly adhere to dosage and administration guidelines to minimize the risk of adverse effects.










Logan Whitfield –
Masto P 100 exceeded my expectations. My strength remained stable throughout my cut, muscle definition improved significantly, and recovery between workouts was consistently good. The oil injected easily, the vial was well sealed, and the overall quality was outstanding. Highly recommended.
Trevor Ashcombe –
Excellent quality and dependable performance. I appreciated the shorter ester because it fit perfectly into my preferred injection schedule. My conditioning improved week after week, and my muscles stayed full while leaning out. I’ll definitely include this in another cycle.
Graham Hollowell –
I’ve used several drostanolone products over the years, and Masto P 100 ranks among my favorites. My shoulders and arms looked much more defined, and I experienced steady improvements in muscle hardness without unwanted water retention. Every injection was smooth and hassle-free.
Caleb Winsford –
This product delivered consistent results from beginning to end. My physique became noticeably tighter, I maintained my strength while dieting, and recovery stayed excellent even with an intense training schedule. The vial arrived securely packaged and looked professionally manufactured.
Ethan Blackwood –
Masto P 100 worked exactly as I hoped during my cutting phase. Within a few weeks, I noticed a harder, leaner look with improved muscle definition and vascularity. The oil was smooth, injections were comfortable, and there was almost no post-injection soreness. Para Pharma has definitely earned my trust.