Manufacturer: Schering AG
Pharmaceutical name: Mesterolone
Pack: 10 tabs (25 mg/tab)
What is Mesterolone?
Mesterolone is a synthetic androgenic-anabolic steroid (AAS) that is used medically to treat male hypogonadism, a condition in which the body doesn't produce enough testosterone. It is also used to improve sperm count and quality, and to treat depression in men. Mesterolone is sold under the brand name Proviron, and it is taken orally in tablet form.
Mesterolone works by binding to androgen receptors in the body, which can stimulate protein synthesis and muscle growth, increase bone density, and improve mood and energy levels. However, it is not commonly used for these purposes in bodybuilding or athletic performance enhancement due to its low anabolic potency and potential for liver toxicity.
What is Mesterolone Used For?
Here are some of the conditions for which mesterolone may be prescribed:
1. Male hypogonadism: Mesterolone is sometimes prescribed to men who have a deficiency of testosterone. It can help increase testosterone levels in the body, which can improve symptoms such as low sex drive, erectile dysfunction, fatigue, and muscle weakness.
2. Infertility: Mesterolone may also be prescribed to men who have low sperm count or poor sperm quality. It can improve the quality and quantity of sperm, which can increase the chances of conception.
3. Depression: Mesterolone has been shown to have some antidepressant effects in men with depression, particularly in those who also have low testosterone levels.
4. Bodybuilding and athletic performance: Mesterolone is not commonly used for these purposes due to its relatively weak anabolic effects and potential for liver toxicity. However, some athletes and bodybuilders may use it to improve muscle hardness and vascularity, or to counteract the negative effects of other anabolic steroids.
Proviron in bodybuilding
It is not typically used as a primary anabolic steroid, it can have a number of benefits in a bodybuilding context:
1. Anti-estrogenic effects: Mesterolone can bind to the aromatase enzyme, which converts testosterone to estrogen in the body. By inhibiting this process, mesterolone can help prevent estrogen-related side effects, such as gynecomastia (breast enlargement) and water retention.
2. Improved muscle hardness: Mesterolone has been reported to increase muscle hardness and vascularity, which can improve the appearance of muscles and veins.
3. Increased free testosterone levels: Mesterolone can bind to sex hormone-binding globulin (SHBG), which can increase the amount of free testosterone in the body. Free testosterone is the form of testosterone that is most active and able to bind to androgen receptors in muscle tissue.
4. Improved mood and energy: Mesterolone has been shown to have some antidepressant effects in men with depression, which could potentially improve motivation and energy levels in bodybuilding.
Proviron Side Effects
Like all medications, mesterolone (Proviron) can cause side effects. Here are some of the possible side effects associated with its use:
1. Androgenic effects: Mesterolone is an androgenic steroid, which means that it can cause side effects related to high levels of androgens in the body. These may include acne, oily skin, hair loss, and increased body hair growth.
2. Hepatotoxicity: Mesterolone can be toxic to the liver, particularly with long-term use or at high doses. This can cause liver damage, which may manifest as jaundice (yellowing of the skin and eyes), abdominal pain, and liver failure.
3. Mood changes: Mesterolone can affect mood and behavior in some users. This may include increased aggression, irritability, and anxiety, as well as changes in libido and sexual function.
4. Cardiovascular effects: Mesterolone can alter lipid metabolism, leading to changes in cholesterol levels and an increased risk of cardiovascular disease. It can also increase blood pressure in some users.
5. Inhibition of natural testosterone production: Mesterolone can suppress the body's natural production of testosterone, particularly with long-term use. This can lead to symptoms of hypogonadism, such as low libido, erectile dysfunction, and muscle weakness.
The appropriate dosage of Proviron can vary depending on the condition being treated, the individual's response to the medication, and other factors. The following are general guidelines for the use of mesterolone in adults:
1. Male hypogonadism: The typical starting dose is 25-50 mg of mesterolone per day, taken in divided doses. This may be increased or decreased based on testosterone levels and symptoms.
2. Infertility: The usual dose is 50 mg of mesterolone per day, taken in divided doses. Treatment is typically continued for 3-6 months.
3. Depression: The recommended dose is 75-100 mg of mesterolone per day, taken in divided doses. Treatment may last for several weeks or months.
4. Bodybuilding and athletic performance: Mesterolone is not commonly used as a primary anabolic steroid, but some bodybuilders and athletes may use it in combination with other steroids. Typical doses range from 25-50 mg per day, but may be higher in some cases.
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Manufacturer: Beligas Pharmaceuticals
Pharmaceutical name: Mesterolone
Pack: 50 tabs (10 mg/tab)