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美斯特龙 – Proviron

Proviron, a drug known for its anti-estrogenic properties, effectively blocks estrogen receptors in the brain, triggering a notable increase in Gonadotropins (LH and FSH) which stimulate testosterone production in the testes. Despite its impact on hormone levels, Proviron lacks both direct anabolic and androgenic effects. Originally synthesized in the 1970s, Proviron vanished from the market by the late 1990s, with manufacturer Schering halting production. This has led to a surge in internet sellers of dubious authenticity, many of whom offer counterfeit products. Reports indicate that most Proviron found online is smuggled from Asia, Russia, and Mexico, raising concerns about authenticity and safety. Historically, Proviron was evaluated for treating both 洼地 and anxiety, revealing its potential to elevate LH and FSH levels, ultimately leading to its application in fertility treatments. Today, however, Proviron’s medical usage has ceased, with online offerings likely being fake.

适应症

Formerly, Proviron was prescribed for treating testosterone deficiency and male infertility issues stemming from hypothalamic, pituitary, or testicular dysfunction.

药理学

Proviron demonstrates more androgenic than anabolic effects, often utilized by athletes and 健美运动员 during recovery from testosterone suppression due to prolonged anabolic steroid use. Testimonials from bodybuilders often reveal disappointment, as the drug frequently fails to deliver the promised gains in muscle mass and strength. Many users attribute this to the prevalent existence of counterfeit products. Proviron’s anti-estrogen capabilities, similar to Nolvadex 或 Arimidex, help mitigate common side effects of anabolic steroids, such as breast enlargement and water retention. Occasionally, users claim that Proviron enhances muscle definition and “pumping.” Yet, because many combine it with other steroids, attributing muscle gains solely to Proviron is troublesome. Many seasoned users have shifted their focus towards Arimidex or Nolvadex for better results. 女性 Women have also used Proviron, with mixed reports on its effectiveness for bodybuilding. Its anti-estrogen effects necessitate medical supervision for female users.

用量

A standard dosage of Mesterolone is 25 mg taken orally 2-3 times daily over several months, often followed by a maintenance phase. Proviron is rapidly absorbed into the bloodstream and has a long half-life of 12-24 hours, remaining detectable in urine for at least two weeks post last dose. Frequently, it’s combined with 他莫昔芬 or Arimidex during washout phases.

副作用

As with any medication, Proviron can lead to rare but severe side effects, including:

• 勃起疼痛
• 性欲减退
• 一般疲劳
• 声音加深
• increased hair growth
• 痤疮、油性皮肤

禁忌症

Proviron is not advised for:

• 儿童
• pregnant women
• individuals with liver issues
• prostate cancer patients
• those with specific allergies

费用

When available, Proviron can be expensive. Concerns regarding its quality and authenticity persist, as it is typically sourced from the black market, primarily smuggled into the U.S. from Mexico and the Far East. Prices for 20 mg pills range between $3-$4, yet it is challenging to ascertain their legitimacy.

检测

Proviron is on the banned list for most sports organizations and is routinely tested for in urine analyses. Due to its extended half-life, it can be identified for up to two weeks after administration.

法律

While possessing Proviron is not illegal, it is monitored by sports agencies. In the USA, it is classified as a Schedule III substance under the Controlled Substances Act.

最后的话

Proviron has essentially become a relic of the past, with authentic products no longer accessible. What is available is likely counterfeit or contaminated. For those seeking effective body enhancement, alternatives like Arimidex are recommended.