Shop
Masteron P 100 Evolve BioLabs INT
$59.00
Purchase Masteron P 100 from Evolve BioLabs – high-quality Drostanolone Propionate for muscle hardness, definition, and fat loss. Fast worldwide shipping, secure checkout.
| Product Features | |
| ACTIVE HALF-LIFE | 12 hours |
| CLASSIFICATION | Anabolic Steroid |
| DOSAGE | Men 25-100 mg/day |
| ACNE | YES |
| WATER RETENTION | NO |
| HBR | NO |
| HEPATOTOXICITY | YES |
| AROMATIZATION | YES |
Medical Disclaimer: The content provided below is for educational and informational purposes only. Drostanolone Propionate (Masteron) is a potent androgenic-anabolic steroid and is classified as a controlled substance in many regions. Misuse of such substances without a valid prescription can result in serious health complications, including cardiovascular strain and hormonal imbalances. Always consult a qualified healthcare professional before considering the use of performance-enhancing drugs.
Masteron P 100 Evolve BioLabs INT
Manufacturer: Evolve BioLabs
Active Substance: Drostanolone Propionate
Pack Size: 10 ML Vial (100 mg/ml)
What is Masteron P?
Masteron P is the market name for Drostanolone Propionate, an effective anabolic-androgenic steroid derived from Dihydrotestosterone (DHT).1 Originally designed to combat certain forms of breast cancer, it has become a staple in the bodybuilding world, particularly for cutting cycles and pre-contest preparation.
Masteron is unique because it exhibits strong anti-estrogenic properties. Much like Proviron, it inhibits the aromatization of other steroids into estrogen. This means it helps eliminate water retention, giving muscles a “hard,” “dry,” and “brutal” appearance.
Key Characteristics:
-
Aesthetic Hardening: Best used when body fat is already low to achieve a chiseled, grainy look.
-
Anti-Estrogenic: Helps combat side effects like gynecomastia and water retention without the need for separate anti-estrogens in some cycles.
-
Low Toxicity: It is not 17-alpha-alkylated, meaning it possesses very low liver toxicity, and liver protection agents (like Milk Thistle) are generally not required specifically for this compound.2
Usage: Cutting and Bulking Stacks
While famous as a cutting steroid, Masteron is versatile in how it interacts with other compounds.
-
Cutting Cycle (Primary Use):
For the ultimate shredded look, Masteron is best stacked with Primobolan or Winstrol. This combination preserves lean tissue while shedding fat and water.
-
Lean Bulking & Quality Mass:
Masteron can be combined with Nandrolone Decanoate (Deca) or Equipoise. In these stacks, Masteron acts to solidify gains and prevent the water retention often associated with bulkers.
-
Heavy Mass Stacks:
For extreme muscle gain with managed side effects, users may stack Masteron with Dianabol and Testosterone. Here, Masteron helps counteract the high estrogenic activity of the other two, resulting in high-quality mass with less bloat.
Effective Dosage and Administration
The “Propionate” ester is fast-acting, requiring frequent injections to maintain stable blood hormone levels.
-
Injection Frequency: Injections should be administered every other day (EOD).
-
Recommended Weekly Dosage: 300 – 500 mg per week.
-
Breakdown: Approximately 75mg – 150mg every other day.
-
-
Cycle Duration: Typically 6 to 12 weeks, with 8 weeks being the most common duration for optimal results.
Side Effects
Masteron is generally well-tolerated regarding metabolic side effects (no estrogen conversion), but as a DHT derivative, it carries specific androgenic risks:
-
Androgenic Effects: Oily skin, acne, and increased body/facial hair growth.
-
Hair Loss: Masteron is notorious for accelerating male pattern baldness in men who are predisposed to it.3 (Users concerned about hair loss often utilize Finasteride/Proscar to mitigate this, though efficacy varies with DHT derivatives).
-
Psychological: Increased aggression or “drive” is commonly reported.
Frequently Asked Questions (FAQ)
1. Is Masteron P suitable for beginners?
Masteron is generally not recommended as a first steroid because its benefits are cosmetic and best seen on a physique that is already lean (under 10-12% body fat). Beginners with higher body fat may not notice the “hardening” effects that justify its use.
2. Do I need an Aromatase Inhibitor (AI) when using Masteron?
In many cases, no. Because Masteron itself possesses anti-estrogenic properties, it can often control estrogen levels in mild to moderate cycles.4 However, in heavy testosterone cycles, a dedicated AI might still be necessary.
3. Why do I have to inject Masteron every other day?
Masteron P is attached to the Propionate ester, which has a short half-life (about 2 days). To keep the levels of the drug stable in your blood and avoid hormonal crashes, frequent injections are required compared to longer esters like Enanthate.



Customer reviews
72 reviews for Masteron P 100 Evolve BioLabs INT
Highly recommend to anyone looking for reliable service. Fast shipping and great customer support.
Excellent quality and exactly what I expected. Highly recommend to anyone looking for reliable service.
Professional service from start to finish. Packaging was secure and discreet.
Good quality and overall a positive experience. Customer service was helpful when I contacted them.
Fast shipping and great customer support. I’ve ordered multiple times and have never been disappointed.
The ordering process was simple and straightforward. Excellent quality and exactly what I expected.
Excellent quality and exactly what I expected. Packaging was secure and discreet.
Tracking information was limited. The order arrived later than promised.
Packaging was secure and discreet. Highly recommend to anyone looking for reliable service.
Everything arrived but took longer than expected. Not bad but room for improvement.
Worth trying. Customer service was helpful when I contacted them.
The ordering process was simple and straightforward. Everything arrived on time and in perfect condition.
Shipping took a little longer than expected but everything arrived safely. A solid experience overall.
Worth trying. Everything arrived in good condition.
Communication could have been better. Several aspects could be improved.
The ordering process was simple and straightforward. Professional service from start to finish.
A solid experience overall. Would purchase again in the future.
Everything arrived but took longer than expected. The product was okay but not exceptional.
The ordering process was simple and straightforward. Customer service answered all my questions quickly.
The experience was average overall. Could improve communication.
Several aspects could be improved. Customer service was difficult to reach.
Very satisfied with my purchase and the overall experience. Highly recommend to anyone looking for reliable service.
The product was okay but not exceptional. The packaging was adequate.
The quality was acceptable. A fair experience overall.
The ordering process was simple and straightforward. Excellent quality and exactly what I expected.
Highly recommend to anyone looking for reliable service. Excellent quality and exactly what I expected.
Unfortunately not a positive experience. Communication was poor throughout the process.
The packaging was adequate. Everything arrived but took longer than expected.
Customer service answered all my questions quickly. Packaging was secure and discreet.
Good quality and overall a positive experience. Shipping took a little longer than expected but everything arrived safely.
I’ve ordered multiple times and have never been disappointed. Professional service from start to finish.
Fast shipping and great customer support. The ordering process was simple and straightforward.
Worth trying. A solid experience overall.
Worth trying. The ordering process was easy.
Everything arrived but took longer than expected. The experience was average overall.
Highly recommend to anyone looking for reliable service. Packaging was secure and discreet.
Good quality and overall a positive experience. Good value for the price.
Fast shipping and great customer support. Everything arrived on time and in perfect condition.
Customer service answered all my questions quickly. Everything arrived on time and in perfect condition.
Customer service answered all my questions quickly. Everything arrived on time and in perfect condition.
Not completely satisfied. Support responses were delayed.
Fast shipping and great customer support. Excellent quality and exactly what I expected.
Worth trying. Everything arrived in good condition.
Not sure if I would order again. The order arrived later than promised.
Professional service from start to finish. Very satisfied with my purchase and the overall experience.
The quality was acceptable. An average shopping experience.
The product was okay but not exceptional. The quality was acceptable.
Everything arrived but took longer than expected. An average shopping experience.
The order arrived later than promised. Customer service was difficult to reach.
The ordering process was simple and straightforward. Excellent quality and exactly what I expected.
The ordering process was simple and straightforward. Packaging was secure and discreet.
The ordering process was easy. Customer service was helpful when I contacted them.
Highly recommend to anyone looking for reliable service. Everything arrived on time and in perfect condition.
Communication could have been better. Not sure if I would order again.
A solid experience overall. Would purchase again in the future.
The experience was average overall. Could improve communication.
Not sure if I would order again. Support responses were delayed.
I’ve ordered multiple times and have never been disappointed. Excellent quality and exactly what I expected.
I’ve ordered multiple times and have never been disappointed. Professional service from start to finish.
Professional service from start to finish. Everything arrived on time and in perfect condition.
The ordering process was simple and straightforward. Highly recommend to anyone looking for reliable service.
A solid experience overall. Everything arrived in good condition.
I’ve ordered multiple times and have never been disappointed. Excellent quality and exactly what I expected.
Everything arrived but took longer than expected. The product was okay but not exceptional.
An average shopping experience. A fair experience overall.
The quality was acceptable. Could improve communication.
Everything arrived on time and in perfect condition. I’ve ordered multiple times and have never been disappointed.
Would purchase again in the future. Good value for the price.
I’ve ordered multiple times and have never been disappointed. Professional service from start to finish.
Not bad but room for improvement. The experience was average overall.
Packaging was secure and discreet. The ordering process was simple and straightforward.
Would purchase again in the future. Worth trying.
Write a customer review