• image for Provilbol 25 (Mesterolone) by Evolve Biolabs

Provilbol (Mesterolone) by Evolve Biolabs [25 mg x 50 tab]

  • Brand:Evolve Biolabs
  • Product Code: EVBT06
  • Reward Points: 45
  • Availability: In Stock
  • Warehouse India

  • 45.00€

  • Price in reward points: 450

Buy Provilbol 25 mg - Mesterolone by Evolve Biolabs Online

Order Proviron 25 mg tablets - Provilbol 25 Evolve Biolabs Online in USA, UK, Europe, Asia.

Brand: Evolve Biolabs

Active substance: Mesterolone

Classification: Anabolic/Androgenic Steroid

Use in bodybuilding: Used in cutting steroid cycles and PCT.

Product dose: 25 mg/1tab

Pack presentation: 500 tab

Active half-life: 12 Hours

Cycle dosage: 25-100 Mg/Day

Shipping from: India

Shipping to: Worldwide

Mesterolone (Provilbol 25): The Unique Anabolic Steroid for Bodybuilders

Mesterolone (Provilbol 25) is an anabolic steroid, but it’s not used by bodybuilders for building muscle mass and strength. Instead, it's prized for its anti-estrogenic properties and its ability to give muscles a hard, defined appearance. It can be successfully added to any steroid cycle.

Mesterolone (Provilbol 25): Historical Perspective

Mesterolone (Provilbol 25) is one of the oldest anabolic steroids, introduced to the market in 1934. It stands out as a unique steroid. While it can be included in bulking cycles, it’s not for its muscle-building properties. It’s also used in cutting cycles, again for a specific purpose.

Mesterolone (Provilbol 25) Androgenic Action Without Estrogen Conversion

Proviron’s action is strongly androgenic without converting to estrogen. Clinically, it’s used to treat sexual dysfunctions usually caused by low levels of endogenous testosterone. It can reverse issues like low libido and impotence or even increase sperm count. Mesterolone (Provilbol 25) doesn’t inhibit the body’s natural testosterone production; in fact, its androgenic nature can stimulate the body to produce its own testosterone, enhancing both the quantity and quality of sperm. However, there is a threshold beyond which it can suppress natural testosterone production, which we will discuss below.

Mesterolone (Provilbol 25) Androgenic and Anabolic Properties

Despite being strongly androgenic and anabolic (similar to Halotestin), Proviron’s anabolic effects don’t result in significant muscle mass increase. This is because it is quickly converted into inactive metabolites, much like dihydrotestosterone (DHT).

Mesterolone (Provilbol 25) Anti-Estrogenic Benefits for Athletes

In the athletic world, Mesterolone (Provilbol 25) is used as an anti-estrogen, preventing or slowing down the aromatization of other steroids. Its effects are comparable to Arimidex (though slightly less effective), preventing the build-up of estrogen in the body. Unlike Nolvadex, which merely blocks estrogen's ability to bind to certain receptors in tissues, Proviron's method of anti-aromatization is more direct and effective.


Proviron’s unique properties make it a valuable addition to both bulking and cutting cycles, providing anti-estrogenic benefits and enhancing muscle definition without the risk of significant estrogen-related side effects. Its long history and distinctive action profile ensure its place in the toolkit of many athletes and bodybuilders.

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Tags: proviron, mesterolone, oral steroids, cutting steroids, evolve biolabs

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