New Proviroxyl View larger



Androgenic Steroidal Agent
Active substance: Mesterolone
Manufacturer: Kalpa Pharmaceuticals
Unit: 30 pills (25 mg/pill)

More details

100000 Items


$35.00 per 30 pills (25 mg/pill)

The minimum purchase order quantity for the product is 6

Payment Methods
Payment Methods

More info

Common Names

Proviron, Mesviron 25, Vistimon, Provironos, Prov Tablets.

Drug Description

White or almost white round-shaped pills with compact and homogeneous structure.

Proviroxyl Composition

1pill contains:
Active substance: Mesterolone 25 mg

Bodybuilding Benefits

An androgenic steroid and anti-aromatization prescription drug which is used by bodybuilders during cycles and at the end of steroidal treatment in order to reduce estrogenic side effects like gynocomastia, water-retention and lowered sex drive. It assists in boosting the potency of Testosterone in the human body by releasing Testosterone from its binding to sex hormone-binding globulin.

Therapeutic Indication

Is used in the treatment of male sterility and aplastic anemia, as well as hypogonadism, psycho-vegetative disorders and decreased working capacity of curbing sexual potency. The drug is often used to increase the sperm count in men.

Dosage (Men)

25 – 100 mg per day

Dosage (Women)

25 mg per day

Active Life

8 - 12 hours

Proviroxyl Side Effects

In women: risk of virilization effects, including deepening of the voice, menstrual irregularities, changes in skin texture and clitoral enlargement. In men:oily skin, acne, body or facial hair growth and exacerbation of a male pattern baldness condition, as well as several effects on the reproductive system like extreme heightening of male libido.

Proviroxyl Contraindications/Precautionary Measures

Not recommended in case of hypersensitivity to the drug, prostate cancer, liver neoplasms symptoms. During intake it is recommended to make regular rectal prostate investigations. Liver and kidney functions also should be monitored. The drug is not recommended to be used by adolescents to avoid premature cessation of growth and puberty.


In case of acute overdose toxicity is low. In case of chronic overdose is possible to develop priapism.

Proviroxyl Stack/Cycle

Is used during in bulking cycles and in post cycle therapy in combination with standard anabolic steroids and testosterone products, as well as with Nolvaxyl to achieve a complete suppression of estrogen. Proviroxyl is often used throughout the entire cycle.

Package Presentation

25 mg pills.


To be store in a dry place, protected from light, at a temperature of 15-25 ° C. Keep out of reach of children.

30 other products in the same category: