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Mastabol P 1 vial/10 ml (200 mg/1 ml)

Drostanolone Propionate in vial


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Why buy this product

Mastabol P (Drostanolone Propionate) by Transparent Labs USA is an anabolic steroid that is often used by bodybuilders to increase muscle mass and reduce body fat levels. This is due to the fact that drostanolone propionate can increase protein synthesis in muscles and speed up metabolism.

Structurally, drostanolone propionate is a methylated derivative of dihydrotestosterone, which allows it to be more resistant to metabolic processes in the body. This allows it to retain its potency when taken orally, which distinguishes it from other anabolic steroids that are commonly used in injectable form.

Steroid Profile of Drostanolone Propionate

  • anabolic activity - 100% of testosterone;
  • androgenic activity - 30% of testosterone;
  • release form: injection solution.
  • dosage: the standard dose for men is 50-100 mg per day, for women - 10-25 mg per day;
  • half-life: about 2 days;
  • detection time: up to 3 months;
  • water retention: no;
  • high blood pressure: sometimes;
  • hepatotoxicity: no;
  • aromatase: no;
  • progestogenic activity: no;
  • dht (dehydrotestosterone) conversion: no.

Effects of taking Drostanolone Propionate

  1. burning excess fat;
  2. improving the density and relief of muscles;
  3. antiestrogenic action;
  4. increasing strength and endurance.

Application and dosage of Drostanolone Propionate

  • The course for drying, relief and mass preservation lasts 4 weeks. A safe dosage is 400 mg weekly. Injections are given once every 2 days, usually in the gluteal muscle.
  • For athletes, swimmers and combat sportsmen, a weekly amount of 200 mg is sufficient. Masteron does not allow conversion to estrogen.
  • Thus, a person receives good muscle elasticity, their relief and hardness. Contraindications to the use can also be, but very rarely.
  • You can take about 100-150 milligrams three times a week.
  • Longer courses of Masteron, despite the safety and softness of the drug, still require post-cycle therapy with Clomid to normalize hormonal levels.

Combined course Drostanolone Propionate

For the purpose of mass gain, Masteron is combined with Nandrolone, Sustanon, Danabol, for the purpose of drying - with Winstrol Stanozolol.

PCT after a course of Drostanolone Propionate

This is a fairly light drug. Thanks to this, athletes do not need to do strong rehabilitation therapy after its cancellation. Take 20 mg of Tamoxifen or 50 mg of Clomiphene citrate for 2-3 weeks.

Side effects

  • high level of aggressiveness and irritability;
  • liver damage;
  • increase in blood cholesterol levels;
  • the risk of heart disease;
  • hormonal imbalance, which can lead to erection problems, decreased libido, decreased volume of seminal fluid and other problems with the reproductive system.

In addition, the use of Drostanolone Propionate can lead to a positive doping test, which can lead to disqualification and other serious consequences for the bodybuilder.

What other drugs will affect Drostanolone Propionate

Some drugs may increase its effect, while others may weaken or change its effects.

For example, antiestrogen drugs such as tamoxifen or clomiphene may reduce the risk of side effects associated with the action of anabolic steroids, including drostanolone propionate. However, they can also reduce the effectiveness of drostanolone propionate, as they reduce the levels of estrogens in the body, which are necessary to maintain normal levels of anabolic hormones.

In addition, when drostanolone propionate and other anabolic steroids such as testosterone are taken concomitantly, competition for receptors may occur, which can lead to a decrease in the effectiveness of both drugs.

Some other drugs, such as anti-inflammatory and anti-allergic drugs, may increase the risk of side effects of drostanolone propionate, including liver damage and heart disease.


Active ingridient
Drostanolone Propionate
Suitable for beginners
Yes (min dosage)
Suitable for men over 50
Suitable for women over 50
According to the doctor's prescription


Delivery area
The information provided does not encourage the use or distribution of any potent substances and is solely intended to reduce the risk of complications and side effects. Consult your physician and read the instructions before using this medicine.

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Mastabol P 1 vial/10 ml (200 mg/1 ml)

Drostanolone Propionate in vial

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