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Mesterolone 25mg tablets
Medically Reviewed by Dr. Ethan Caldwell, MD
Last Updated on 27 August 2026

Mesterolone 25mg tablets

$2.25 $2.75Prescription RequiredRequired

Mesterolone 25mg is an oral androgen medicine used for certain male hormonal conditions in countries where it is approved. The active ingredient is mesterolone, a synthetic androgen that acts on androgen receptors in the body.

Mesterolone is not FDA-approved for medical use in the United States. It should not be used without appropriate medical supervision.

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UWS30Ultimate Weekend Sale2026-09-13
Categories: Men, HormonesTag: Pills

Quick Details of Mesterolone 25mg tablets

Field

Information

Generic Name

Mesterolone

Strength

25 mg

Dosage Form

Oral tablet

Drug Class

Androgen

ATC Code

G03BB01

Brand Supplied

Provironum

Manufacturer/Marketer

Zydus Healthcare Limited

Prescription Status

Prescription required

Route

Oral

Intended Patient Group

Male patients, when prescribed for an appropriate indication

What Is Mesterolone 25mg?

Mesterolone belongs to a group of medicines called androgens. It has androgen-like effects in the body and has been used in some countries for selected conditions associated with reduced androgen activity in men.

Whether mesterolone is appropriate depends on the patient's diagnosis, symptoms, medical history, and other treatments.

Mesterolone should not be used for bodybuilding, athletic performance, or non-medical hormone use.

What Is Mesterolone Used For?

In countries where mesterolone is approved, doctors may prescribe it for selected male hormonal or reproductive conditions related to insufficient androgen activity.

Uses may vary according to the approved labeling in each country.

Symptoms such as low sex drive, fatigue, erectile problems, or fertility concerns can have many possible causes. A medical evaluation is important before considering androgen treatment.

Mesterolone is not FDA-approved for these indications in the United States.

How to Take Mesterolone 25mg?

For optimal results, follow your healthcare provider’s prescription closely. Typically, Mesterolone 25mg is taken orally with or without food. It’s crucial to maintain a consistent schedule, taking the medication at the same time each day.

Benefits of Mesterolone

When prescribed for an appropriate medical condition, mesterolone may provide benefits related to its androgen activity.

Potential clinical benefits may include:

  • Supporting androgen activity: Mesterolone can provide androgenic effects when a patient's condition is associated with inadequate androgen activity.

  • Supporting male sexual function: In selected patients with androgen-related symptoms, treatment may help address problems associated with androgen deficiency.

  • Supporting androgen-dependent tissues: Mesterolone acts on tissues that respond to male sex hormones.

  • Supporting treatment of certain male hormonal conditions: Doctors in countries where mesterolone is approved may use it as part of the treatment of selected androgen-related disorders.

These benefits are not guaranteed. The response to treatment depends on the underlying condition and the individual patient.

Mesterolone should not be presented as a general testosterone booster, bodybuilding product, fertility enhancer, or treatment for sexual performance without a diagnosed medical need.

How Does Mesterolone Work?

Mesterolone binds to androgen receptors in the body and produces effects associated with male sex hormones.

Androgen receptors are found in several tissues involved in male sexual and reproductive function. By activating these receptors, mesterolone can produce androgenic effects.

Mesterolone is different from antiandrogen medicines, which reduce or block the action of androgens.

General Dosage Guidance

Mesterolone dosing varies according to the condition being treated, the product labeling, and the patient's medical needs.

Do not follow a general dosing schedule found online or change the amount you take without medical advice.

If mesterolone has been prescribed to you in a country where it is legally available, follow the exact directions provided by your doctor and pharmacist.

How to Take Mesterolone Safely

Take mesterolone only as directed by a healthcare professional.

Swallow the tablet with water and follow the dosing schedule provided with your prescription.

Do not:

  • Take more tablets than prescribed

  • Increase the dose to obtain faster results

  • Combine it with other androgen or anabolic steroid products without medical supervision

  • Use it for bodybuilding or athletic performance

  • Share your medicine with another person

Tell your doctor about all prescription medicines, over-the-counter medications, vitamins, supplements, and herbal products you use.

Mesterolone Side Effects

Like other medicines, mesterolone can cause side effects.

Reported side effects may include:

  • Acne

  • Headache

  • Abdominal pain or discomfort

  • Hair loss or thinning

  • Increased frequency of erections

  • Changes in sexual symptoms

Not everyone will experience these effects.

Contact your healthcare provider if a side effect is persistent, severe, or concerning.

Serious Symptoms

Seek medical attention if you develop a prolonged or painful erection.

You should also contact a healthcare professional if you develop unexplained or severe symptoms while taking an androgen medicine.

Warnings and Precautions

Tell your doctor about your complete medical history before using mesterolone.

Extra caution may be necessary in people with prostate problems, liver conditions, or other medical conditions that could be affected by androgen therapy.

Your healthcare provider may recommend examinations or laboratory testing during treatment.

Contact a healthcare professional if you develop:

  • A prolonged or painful erection

  • Persistent abdominal pain

  • Yellowing of the skin or eyes

  • Significant changes in urination

  • Unexplained swelling

  • Other severe or unusual symptoms

Mesterolone should not be used for increasing muscle mass or improving athletic performance.

Who Should Not Take Mesterolone?

Mesterolone may not be suitable for everyone.

It should not be used by people with certain conditions, including:

  • Prostate cancer

  • Current or previous liver tumors

  • Allergy to mesterolone

  • Allergy to any ingredient in the supplied product

Mesterolone products are intended for male patients when used for approved medical indications.

Always review the product-specific prescribing information and discuss your medical history with a healthcare professional.

Mesterolone Drug Interactions

Information about specific mesterolone interactions is limited.

Before starting treatment, tell your healthcare provider about everything you take, including:

  • Prescription medications

  • Over-the-counter medicines

  • Hormone treatments

  • Vitamins

  • Herbal products

  • Dietary supplements

Do not combine mesterolone with testosterone, other androgen products, or anabolic steroids unless specifically directed by a qualified healthcare professional.

Mesterolone vs Testosterone

Mesterolone and testosterone are both androgens, but they are not the same medicine.

Mesterolone is an orally active synthetic androgen. Testosterone replacement therapy uses testosterone itself and is available in several formulations, including injections, gels, patches, and other products.

FDA-approved testosterone products are available in the United States for specific forms of hypogonadism. Mesterolone should not be presented as a substitute for FDA-approved testosterone treatment.

The appropriate treatment depends on laboratory findings, symptoms, diagnosis, and the patient's overall health.

How Should Mesterolone 25mg Be Stored?

Follow the storage directions supplied with the specific product.

In general:

  • Keep tablets in their original packaging

  • Protect them from excessive heat and moisture

  • Keep medicines away from children and pets

  • Do not use tablets after the expiration date

Check the product label for manufacturer-specific storage instructions.

Frequently Asked Questions

Is Mesterolone a steroid?

Yes. Mesterolone is a synthetic androgenic steroid. In the United States, it is included among Schedule III controlled anabolic steroids. It should not be used for bodybuilding or athletic performance.

What is the active ingredient in Mesterolone 25mg?

The active ingredient is mesterolone 25 mg. Mesterolone is a synthetic androgen that acts on androgen receptors in the body. Inactive ingredients vary by manufacturer, so check the package information if you have an allergy or intolerance.

Why do Mesterolone bodybuilders use it?

It's not very anabolic (doesn't build much muscle on its own) but is often used off-label in bodybuilding circles as an anti-estrogen and to increase free testosterone by binding sex hormone-binding globulin (SHBG). This is an unregulated, non-medical use.

Is proviron and provironum is both are same?

Proviron and Provironum are brand names for medicines containing the same active ingredient, mesterolone 25 mg. Proviron is a Bayer brand, while Provironum is marketed by Zydus. Although the active drug and strength may be the same, inactive ingredients, packaging, manufacturer, and regulatory status can differ. Always check the label and use the product only as prescribed by your doctor.

When Should I Take Mesterolone?

Take Mesterolone 25mg as directed by your healthcare provider. Typically, it is administered once daily, either with or without food. Follow the prescribed schedule diligently.

Can I Buy Mesterolone 25mg Over the Counter?

Mesterolone 25mg is a prescription medication and is not available over the counter. Consult with your healthcare provider to determine if it’s suitable for your needs.

How Much Does Mesterolone For Sale?

The cost of Mesterolone 25mg may vary depending on the pharmacy and your location. Check with your local pharmacies or online platforms for pricing details. InternationalDrugMart.com is the exclusive platform where we provide medicines at the lowest prices, ranging from $2.25 to $2.75.

What is the Difference Between Testosterone and Mesterolone?

While both are androgens, testosterone is a natural male hormone, whereas Mesterolone is a synthetic androgen. Mesterolone is often prescribed to supplement low testosterone levels, addressing related symptoms.

Medical Disclaimer:

The information about Mesterolone 25mg is provided for educational purposes only and is not a substitute for medical advice, diagnosis, or treatment. Mesterolone should be used only under appropriate medical supervision. Do not start, stop, or change treatment without consulting a qualified healthcare professional.

Reference

Mesterolence Details inchem.org
Anabolic Steroids information

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