Proviron is one of the most unique anabolic androgenic steroids and one also one of the oldest steroid products on the market. Officially known by its chemical name mesterolone, this oral steroid product by pharmaceutical giant Schering behaves like no other.

Firstly, its anabolic activity is so weak or nonexistent. In fact, seriously speaking, this substance cannot be considered an anabolic steroid. Its use causes little or no buildup in mass. And unlike other androgenic steroids, proviron doesn’t cause significant suppression of natural testosterone production in the body. Though some minimal endogenous testosterone suppression may still occur, the resultant suppressive effects are minimal or rather inconsequential; and it is possible to use mesterolone without experiencing any noteworthy reduction in natural endogenous testosterone levels.

Another characteristic that makes proviron a unique androgenic steroid is its ability to boost fertility in men, a trait that has seen it being used as a treatment for androgenic deficiencies in men and in post cycle therapy (PCT) plans. When used in correct therapeutic doses, mesterolone has been shown to provide the positive androgenic effects necessary for enhanced spermatogenesis – unlike other anabolic steroids. What’s more, because mesterolone hormone is an anti-aromatase agent with strong anti-estrogenic properties its use may help increase the amount of circulating “free” testosterone in the body and also prevent unwanted symptoms during steroid cycles.

Proviron: The Best Post Cycle Therapy for Bodybuilders

Proviron’s ability to enhance sperm production and libido means that many athletes and bodybuilders often incorporate it in their PCT plans. Some amateur bodybuilders utilize proviron at the end of a steroid cycle with the hope of restoring their reduced natural testosterone levels. But is it worth noting that using mesterolone hormone alone as a PCT is not a good idea and may actually be counterproductive.

Proviron only reduces or completely eliminates the dysfunctions caused by the declining androgen levels, such as low libido and infertility; but has no effect on the body’s own endogenous natural testosterone production. The drug may actually cause weak suppression of the body’s own natural testosterone production, which could threaten recovery.

If a bodybuilder feels that he or she must use mesterolone hormone for post cycle therapy, he/she should combine it with appropriate testosterone stimulating agents. There are three categories of testosterone stimulating agents that are known to stimulate the HPTA (Hypothalamic Pituitary Testicular Axis) to stimulate the production of natural testosterone and balance hormone levels. They include: Selective Estrogen Receptor Modulators (SERMs), Aromatase Inhibitors and HCG. Proper use of these substances in a well-planned post cycle therapy plan will not only stimulate the HPTA, but also prevent muscle catabolism, prevent unwanted fat-gains and strength loss, and also reduce any unwanted side effects.

A good PCT plan for body builders should include: HCG, an aromatase inhibitor and a SERM.

HCG

The first testosterone stimulating agent that bodybuilders should examine when creating a PCT plan is the Human Chorionic Gonadotropin (HCG). HCG mimics the activity of Luteinizing Hormone (LH), which binds to receptor in Leydig cells to stimulate synthesis and secretion of testosterone. Though the body produces its own LH, but the amounts may not be adequate for proper and rapid natural endogenous testosterone production necessary for effective recovery process. When used in the right therapeutic doses (100-1,500IU) during the first one to two weeks of PCT, HCG provides the testes with a ‘shock effect’, which triggers increased and sustained testosterone production by the Leydig cells needed during the first few weeks of post cycle therapy. But it is worth noting that HCG use must be discontinued early on (after the first 2 weeks) in post cycle therapy. Using HCG for a long time or in high doses could cause irreversible damage to the HPTA, leading to dependence.

Aromatase Inhibitors

Using HCG for PCT causes increases in aromatase production – which, in turn, leads to a surge of estrogen hormones in the body. This ultimately triggers suppression of natural testosterone production. Because of this, bodybuilders must use an appropriate aromatase inhibitor when using HCG in a post cycle recovery plan. The aromatase inhibitor will combat the increased aromatase expression in the testicles, thereby ensuring effective hormonal recovery.

Three main options are available when it comes to commonly available aromatase inhibitors. These are: Arimidex, Letrozole and Aromasin (Exemestane). The first two (Arimidex and Letrozole) are not recommended for use in PCT for bodybuilders. This is because a PCT plan for bodybuilders will typically include the use of SERMs like Clomid or Nolvadex, which are known to interact negatively with the two. Using Arimidex or Letrozole in a PCT plan that includes a SERM such as Nolvadex or Clomid will, therefore, be counterproductive and may actually sabotage the recovery process. The best aromatase inhibitor to use in a PCT program that includes a SERM is Aromasin. This drug blocks the activity of the aromatase enzyme, reducing estrogen production and increasing testosterone levels without negatively impacting the blood plasma levels of the SERM or cholesterol profiles of the user (as is the case with the other drugs).
Note: the aromatase inhibitor Aromasin must be discontinued once the use of HCG is halted.

SERMs

Since HCG must be discontinued early on in PCT, bodybuilders must include a good selective estrogen receptor modulator (SERM) to carry hormonal recovery along until the body can realign its hormonal levels.

The use of HCG to aid recovery process has two negative side effects that are addressed through the use of an aromatase inhibitor and a SERM: 1) it leads to increased estrogen levels in the body and 2) and causes decreased endogenous FSH and LH production.

Incorporating a selective estrogen modulator immediately after HCG cessation is essential, as it helps carry hormonal recovery along until the body can achieve self-sufficiency once again. Selective estrogen modulators work by selectively inhibiting the actions of excess estrogen hormones in the body and by stimulating the pituitary and hypothalamus glands to sync up the production of gonadotropins (Luteinizing hormone and follicle-stimulating hormone) that are responsible for increased testosterone production.

When it comes to SERMs, two options are commonly available. These are: Clomid and Nolvadex. Between these two, Nolvadex (Tomaxifen Citrate) offers more advantages in a PCT program for bodybuilders and is considered the best option.

Nolvadex works synergistically with HCG to stimulate natural testosterone production when both are used together in a PCT plan. Nolvadex works to block the desensitization effect to gonadotropins caused by the use of HCG, stimulating LH release. It has been shown to be more effective at stimulating natural endogenous testosterone production compared to Clomid, and allows bodybuilders to recover their HPTA function faster and more effectively. The drug is also more effective than Clomid and works better in so many ways.

The Best Post Cycle Therapy For Bodybuilders – Final Layout

An idea PCT plan for bodybuilders should then be as follows:
4 – 6 weeks Total Post Cycle Therapy Time (depending on individual response, type of steroid (S) used, length of cycle)
Weeks 1 – 2
– HCG at 1000iu/ E2D
– Aromasin at 25mg/day
– Nolvadex at 40m/day
Weeks 2 – 6:
– Nolvadex at 20mg/day

The various other components, including proviron, vitamin D and other supplements, are largely optional.

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