MASTERIL 100 (10ml vial)


Masteril 100 is a very androgenic injectable anabolic product which allows to acquire a very dense musculature. It is a steroid which is generally used to dry the muscles at the end of treatment during a steroid cure.


Type: Injection

Pack: 1 vial 10ml (100mg/ml)

Substance : drostanolone propionate

Manufacturer: Novector Labs


Masteril 100 is a product composed of an ester of drostanolone, drostanolone propionate.

It is an anabolic steroid in injectable form derived from dihydrostestosterone (DHT).

It is therefore a very androgenic product

As Masteril 100 is a derivative of dihydrotestosterone, it provides the user with high levels of male hormones. This results in a virilization effect including dense and lasting musculature with little water and sodium retention, but without significant mass gain.

This is the reason why this product is used during drying cycles, often stacked with other "drying" steroids to accentuate this effect.


This is how Masteril 100 becomes very effective in achieving a skinned look.

However, it should be noted that if Masteril 100 provides dense musculature to the user, it does not reduce fat retention and it is already necessary that it has a low level of fat in the body to obtain a truly striated musculature.

Masteril 100 can also improve the quality of muscle mass acquired during a mass cycle when combined with other more anabolic products such as testosterone.


On the other hand, it is a steroid very appreciated by competitors because it quickly disappears from the body without leaving traces so that it is possible to follow a treatment with Masteril 100 up to 10 or 12 days before a competition without it being able to be spotted during an anti-doping control.

The Masteril 100 being very androgenic, it is inevitable that it leads to various virilizing phenomena.

The main phenomena associated with its use are acne and baldness.

Baldness can be prevented and combated by the use of a specific treatment shampoo with Nizoral.

The risk of these symptoms appearing depends of course, as is the case with all anabolics, on the importance of the dose and the duration of use of the product.

This is why Masteril 100 is generally used in moderate doses and for a period not exceeding a few weeks.

On the other hand Masteril 100 does not cause water and sodium retention and there is no risk of hypertension with this product.
In addition, its action is not only androgenic: it is also anti-estrogenic and this therefore excludes the risk of gynecomastia.

Since Masteril 100 is a product that stays in the body for a very short time, it is usually injected every 2 days at the rate of 100 mg for men.
For women, the 100 mg injection is usually done every 4 days.

Drying stack: Masteril 100 + Winstrol, Primobolan or Oxandrolone.
Dense Mass Stack: Masteril 100 + Testosterone Propionate.

Technical sheet: Masteril 100.
Molecule: drostanolone propionate.
Route: injection.
Category: androgen.
Positive effects: dense musculature.
Negative effects: acne, baldness.
Dose: 100 mg/2 days for men.
100 mg/4 days for women.
Strength : **
Mass : *
Danger : ***


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