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proviron mesterolone nolvadex

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Author Topic: Yes, we have Proviron  (Read 17059 times)


The raving reviews are so fantastic, so the real problem is really to get your hands on legit stuff.

I got one but can't assure for its legitimacy, i hope it is...

The most promising drug for me, since adderall is unbearable for a common mortal.

What makes you think adderall is unbearable for a common mortal?  I never had a problem unless I took it late in the day.  Only hope the doctor will prescribe it. 


well, for me it's unbearable as I can't stand being sleepless, i have been on a sleepless streak since one year
ago since i lost my job and went on a downwards spiral...became addicted to some pills to help me sleep, though
antihistamines that make me drowsy, not really addictive.

adderall must be awesome too.
i'm on day 2, they say though that it takes a full week for proviron to kick in, and i've read so many
incredible reviews that i'm really excited about it restoring my orgasmic power.
i'm afraid it may wear off over time, as the body develops tolerance as with any medication.
in the mean time though, yesterday i had some erotic thoughts in bed and had a hard on that wouldn't go down.
i still haven't tried to jack off though, and i still don't feel like i'm capable of cumming at even 80% of full
orgasmic capacity yet, but i'm optimistic.

so optmistic with things i read about it that i even ordered from 3 different sources, in case one is fake the other
two might not be.

just to summarize the wonders of it. proviron is comprised of DHT which has a bigger affinity to bind to
SHGB than testosterone, which means you have more free testosterone, since SHGB is what binds to testosterone
making it inactive. also, it doesn't aromatize into estrogen, unlike testosterone.
actually, it works as an anti estrogen, as it binds to aromatase, which then won't convert testosterone
into estrogen. just like nolvadex, only better, though not as powerful an anti-aromatase as arimidex.

since my problem is low free T, there you go. besides, i spent some time on arimidex and my estrogen was
still at mid range, so i'm wondering it wasn't working that well.

« Last Edit: May 16, 2012, 06:12:38 PM by jrsousa2 »


Proviron is an interesting and often overlooked compound. It’s an orally active form of DHT and delivers all the good and the bad that DHT has to offer. DHT is pure androgen, but unlike testosterone, it doesn’t cause any water retention. DHT is also what makes muscle “hard.” It lowers SHBG (Sex hormone Binding Globulin) thus preventing estrogen to form and can be used to prevent aromatization from other compounds. DHT is also what attributes to erectile rigidity. All good stuff! There are drawbacks however, most notably prostate hypertrophy and hair loss. So one may say DHT is pure maleness.

In the past, DHT was regarded as the “bad” form of testosterone and there have been many products available to reduce it. Proscar slows hair loss by reducing DHT, but it also lowers the desirable aspect that DHT brings. One of the side effects of Proscar is possible impotence. Pick your poison.

So we know DHT can be tricky and we know we need it. So where does Proviron fall into the equation? Well, it can be a nice addition to any cycle for a variety of reasons. Since it lowers SHBG it allows for more total testosterone to become bioavailable. Up to 90% of testosterone, be it natural or administered, remains in a “bound” state (due to SHBG) rendering it useless. Proviron will release more active testosterone into the bloodstream so you can reap more of the benefits.

Proviron works as well as an anti estrogen, in fact, it’s superior to most traditional anti e’s such as Nolvadex because there is no rebound effect. Instead of removing estrogen, it never has a chance to form in the first place.

Proviron is also excellent for contest preparation because it adds density and definition. Realize, androgen receptors are found in fat calls as well as muscle cells and DHT binds so well that there’s a distinct fat burning effect from its use.

Many people use Proviron in between cycles to maintain gains and libido. However, DHT will not do much in regard to maintaining muscle. And as with any drug, a tolerance is developed over time so using Proviron to help a lagging libido will just add to further inhibition once the use of the drug has ceased. There’s some speculation that Proviron isn’t suppressive or especially liver toxic so it does not have to be cycle, but that rational is patently false. Because it isn’t 17 alpha alkylated it isn’t as hard on the liver or the liver as other oral steroids but liver must still filter it. Pure DHT also does not shut down the HPTA as quickly as other androgens though it will still suppress over time. Using it to “ease out” of a cycle can make for a smooth transition back to a natural state.

The main downside of Proviron is that since it contains no anabolic properties, it will not result in much muscle growth if used alone. It truly is a “kicker” to other steroids, most notably testosterone. And although it doesn’t cause water retention, it can increase blood pressure. DHT can also increase irritability if duration exceeds more than a few weeks.

50 mgs a day can lower estrogen into single digits and produce a very polished look to one’s muscles. There have recently been advances in natural alternatives to Proviron. Avenacosides have been shown to lower SHBG and raise Free testosterone by as much as 20%. Since Proviron is used mostly as an ancillary substance and does not have much of an effect of actual growth, more and more people are opting to go the natural route. Although Avenacosides won’t work quite as well, they are effective and can be used in conjunction with a lower dose of Proviron for an even more powerful muscle hardening/libido enhancing effect. (When choosing Avenacosides always make sure the dosage is listed. If it’s in a “proprietary blend” chances are there is so little it’s worthless. One product that includes an effective dosage is Protein Factory’s UNLEASHED).

Until recently Proviron was not readily available and the only form was the original Shering brand. Now with more and more UG labs, it’s become counterfeited though the quality and dosages must always be suspect. Since Proviron isn’t terribly expensive it’s best to try and find the original pharm grade substance since it’s rarely counterfeited. If you can’t get your hands on Proviron than a natural substitute is strongly recommend during, and after each cycle.


Proviron is an oral DHT steroid compound similar to Masteron. Although it is not an ideal compound for building muscle (actually it is not good at all for this purpose), Proviron is helpful in stacks because of its unique ability to keep the body from turning testosterone into estrogen, thus giving the testosterone a better anabolic effect. This aids the bodybuilder in many ways. First, it helps reduce estrogenic side effects of other steroids water-retention, lowered sex drive, gynocomastia, etc. Also, Proviron can help boost the potency of testosterone in the body by freeing testosterone from its binding to sex hormone-binding globulin (SHBG).

Proviron is therefore best stacked with testosterone, which makes taking anti-estrogen compounds unnecessary. However, Proviron can cause high blood pressure so blood pressure medication may be required for those prone to hypertension.

Proviron® is the Schering brand name for the oral androgen mesterolone (1 methyl-dihydrotestosterone). Just as with DHT, the activity of this steroid is that of a strong androgen which does not aromatize into estrogen. In clinical situations Proviron is generally used to treat various types of sexual dysfunction, which often result from a low endogenous testosterone level. It can usually reverse problems of sexual disinterest and impotency, and is sometimes used to increase the sperm count. The drug does not stimulate the body to produce testosterone, but is simply an oral androgen substitute that is used to compensate for a lack of the natural male androgen.

Although this steroid is strongly androgenic, the anabolic effect of it is considered too weak for muscle building purposes. This is due to the fact that Proviron is rapidly reduced to inactive metabolites in muscle tissue, a trait also characteristic of dihydrotestosterone. The belief that the weak anabolic nature of this compound indicated a tendency to block the androgen receptor in muscle tissue, thereby reducing the gains of other more potent muscle building steroids, should likewise not be taken seriously. In fact due to its extremely high affinity for plasma binding proteins such as SHBG, Proviron may actually work to increase the activity of other steroids by displacing a higher percentage into a free, unbound state. Among athletes Proviron is primarily used as an anti-estrogen. It is believed to act as an anti-aromatase in the body, preventing or slowing the conversion of steroids into estrogen. The result is somewhat comparable to Arimidex (though less profound), the drug acting to prevent the buildup of estrogen in the body. This is in direct contrast to Nolvadex, which only blocks the ability of estrogen to bind and activate receptors in certain tissues. The anti-aromatization effect is preferred, as it is a more direct and efficient means of dealing with the problem of estrogenic side effects. Another disadvantage of Nolvadex is that if discontinued too early, a rebound effect may occur as high serum estrogen levels are again free to take action. This of course could mean a rapid onset of side effects such as gynecomastia. Most actually prefer to use both Proviron and Nolvadex, especially during strongly estrogenic cycles. With each item attacking estrogen at a different angle, side effects are often greatly reduced.

The anti-estrogenic properties of Proviron are not unique to this compound. A number of steroids have in fact demonstrated similar activity. Dihydrotestosterone and Masteron (2methyl-dihydrotestosterone) for example have been successfully used as therapies for gynecomastia and breast cancer due to their strong anti-estrogenic effect. It has been suggested that nandrolone may even lower aromatase activity in peripheral tissues where it is more resistant to estrogen conversion (the most active site of nandrolone aromatization seems to be the liver). The anti-estrogenic effect of all of these compounds is presumably caused by their ability to compete with other substrates for binding to the aromatase enzyme. With the aromatase enzyme bound to the steroid, yet being unable to alter it, and inhibiting effect is achieved as it is temporarily blocked from interacting with other hormones.

This drug is also favored by many during contest preparations, when a lower estrogen/high androgen level is particularly sought after. This is especially beneficial when anabolics like Winstrol, oxandrolone and Primobolan are being used alone, as the androgenic content of these drugs is relatively low. Proviron can supplement a well needed androgen, and bring about an increase in the hardness and density of the muscles. Women in particular find a single 25mg tablet will efficiently shift the androgen/estrogen ratio, and can have a great impact on the physique. Since this is such a strong androgen however, extreme caution should be taken with administration. Higher dosages clearly have the potential to cause virilization symptoms quite readily. For this reason females will rarely take more than one tablet per day, and limit the length of intake to no longer than four or five weeks. One tablet used in conjunction with 10 or 20mg of Nolvadex can be even more efficient for muscle hardening, creating an environment where the body is much more inclined to burn off extra body fat (especially in female trouble areas like the hips and thighs).

The typical dosage for men is one to four 25 mg per tablets per day. This is a sufficient amount to prevent gynecomastia, the drug is often used throughout the entire cycle. As mentioned earlier, it is often combined with Nolvadex (tamoxifen citrate) or Clomid (clomiphene citrate) when heavily estrogenic steroids are being taken (Dianabol, testosterone etc.). Administering 50mg of Proviron and 20mg Nolvadex daily has proven extremely effective in such instances, and it is quite uncommon for higher dosages to be required. And just as we discussed for women, the androgenic nature of this compound is greatly welcome during contest preparation. Here again Proviron should noticeably benefit the hardness and density of the muscle, while at the same time increasing the tendency to burn off a greater amount of body fat. Proviron is usually well tolerated and side effects (men) are rare with dosages under 100 mg per day. Above this, one may develop an excessively high androgen level and encounter some problems. Typical androgenic side effects include oily skin, acne, body/facial hair growth and exacerbation of a male pattern baldness condition, and may occur even with the use of a moderate dosage. With the strong effect DHT has on the reproductive system, androgenic actions may also include an extreme heightening of male libido. And as discussed earlier, Women should be careful around Proviron. It is an androgen, and as such has the potential to produce virilization symptoms quite readily. This includes, of course, a deepening of the voice, menstrual irregularities, changes in skin texture and clitoral enlargement.

Proviron is also not a c17 alpha alkylated compound, an alteration commonly used with oral anabolic/androgenic steroids. Not using this structure in the case of Proviron removes the notable risk of liver toxicity we normally associate with oral drugs. It is therefore considered a “safe” oral, the user having no need to worry about serious complications with use. This steroid in fact utilizes the same 1-methylation we see present on Primobolan (methenolone), another well tolerated orally active compound. Alkylation at the one position also slows metabolism of the steroid during the first pass, although much less profoundly than 17 alpha alkylation. Likewise Proviron and Primobolan are resistant enough to breakdown to allow therapeutically beneficial blood levels to be achieved, although the overall bioavailability of these compounds is still much lower than methylated oral steroids.

The popularity of Proviron amongst bodybuilders has been increasing in recent years. Many experienced bodybuilders have in fact come to swear by it, incorporating it effectively in most markedly estrogenic cycles. Due to high demand Proviron is now very easy to obtain on the black market. Most versions will be manufactured by Schering, and should cost about - per 25 mg tab. This drug is packaged in both push-through strips and small glass vials, so do not let this alarm you. There is currently no need to worry about authenticity with this drug, as no counterfeits are known to exist. If money and availability does not prevent it, Arimidex, Femara, or Aromasin ares actually a much better choice than Proviron though. These drugs were designed specifically as an anti-aromatase, and works much more effectively than anything else we have available.


Pharmaceutical Name: Mesterolone
Chemical structure: 1 alpha-methyl-17 beta-hydroxy-5 alpha-androstan-3-one
Effective dose: 25-100 mg / day orally

Mesterolone is an orally active, 1-methylated dihydrotestosterone. Like Masteron, but then actually delivered in an oral fashion. dihydrotestosterone is the conversion product of testosterone at the 5-alpha-reductase enzyme, the result being a hormone that is 3 to 4 times as androgenic and is structurally incapable of forming estrogen. One would imagine then that mesterolone would be a perfect drug to enhance strength and add small but completely lean gains to the frame. Unfortunately there is a control mechanism for dihydrotestosterone in the human body. When levels get too high, the 3alpha hydroxysteroid dehydrogenase enzyme converts it to a mostly inactive compound known as 3-alpha (5-alpha-androstan-3alpha,17beta-diol), a prohormone if you will. It can equally convert back to dihydrotestosterone by way of the same enzyme when low levels of dihydrotestosterone are detected. But it means that unless one uses ridiculously high amounts, most of what is administered is quite useless at the height of the androgen receptor in muscle tissue and thus mesterolone is not particularly suited, if at all, to promote muscle hypertrophy.

Proviron has four distinct uses in the world of bodybuilding. The first being the result of its structure. It is 5-alpha reduced and not capable of forming estrogen, yet it nonetheless has a much higher affinity for the aromatase enzyme (which converts testosterone to estrogen) than testosterone does. That means in administering it with testosterone or another aromatizable compound, it prevents estrogen build-up because it binds to the aromatase enzyme very strongly, thereby preventing these steroids from interacting with it and forming estrogen. So Mesterolone use has the extreme benefit of reducing estrogenic side-effects and water retention noted with other steroids, and as such still help to provide mostly lean gains. Its also been suggested that it may actually downgrade the actual estrogen receptor making it doubly effective at reducing circulating estrogen levels.

The second use is in enhancing the potency of testosterone. testosterone in the body at normal physiological levels is mostly inactive. As much as 97 or 98 percent of testosterone in that amount is bound to sex hormone binding globulin (SHBG) and albumin, two proteins. In such a form testosterone is mostly inactive. But as with the aromatase enzyme, dihydrotestosterone has a higher affinity for these proteins than testosterone does, so when administered simultaneously the mesterolone will attach to the SHBG and albumin, leaving larger amounts of free testosterone to mediate anabolic activities such as protein synthesis. Another way in which it helps to increase gains. Its also another part of the equation that makes it ineffective on its own, as binding to these proteins too, would render it a non-issue at the androgen receptor.

Thirdly, mesterolone is added in pre-contest phases to increase a distinct hardness and muscle density. Probably due to its reduction in circulating estrogen, perhaps due to the downregulating of the estrogen receptor in muscle tissue, it decreases the total water build-up of the body giving its user a much leaner look, and a visual effect of possessing "harder" muscles with more cuts and striations. Proviron is often used as a last-minute secret by a lot of bodybuilders and both actors and models have used it time and again to deliver top shape day in day out, when needed. Like the other methylated dihydrotestosterone compound, drostanolone, mesterolone is particularly potent in achieving this feat.

Lastly Proviron is used during a cycle of certain hormones such as nandrolone, with a distinct lack of androgenic nature, or perhaps 5-alpha reduced hormones that don't have the same affinities as dihydrotestosterone does. Such compounds, thinking of trenbolone, nandrolone and such in particular, have been known to decrease Libido. Limiting the athlete to perform sexually being the logical result. dihydrotestosterone plays a key role in this process and is therefore administered in conjunction with such steroids to ease or relieve this annoying side-effect. Proviron is also commonly prescribed by doctors to people with low levels of testosterone, or patients with chronic impotence. Its not perceived as a powerful anabolic, but it gets the job done equally well if not better than other anabolic steroids making it a favorite in medical practices due to its lower chance of abuse.

Mesterolone is generally well liked nonetheless as it delivers very few side-effects in men. In high doses it can cause some virilization symptoms in women. But because of the high level of deactivation and pre-destination in the system (albumin, SHBG, 3bHSD, aromatase) quite a lot of it, if not all simply never reaches the androgen receptor where it would cause anabolic effects, but also side-effects. So its relatively safe. Doses between 25 and 250 mg per day are used with no adverse effects. 50 mg per day is usually sufficient to be effective in each of the four cases we mentioned up above, so going higher really isn't necessary. Unlike what some suggest or believe, its not advised that Proviron be used when not used in conjunction with another steroid, as it too is quite suppressive of natural testosterone, leading to all sorts of future complications upon discontinuation. Ranging from loss of Libido or erectile dysfunction all the way up to infertility. One would not be aware of such dangers because Proviron fulfills most of the functions of normal levels of testosterone.

Mesterolone is an oral alkylated steroid. If used primarily as an anti-aromatase drug, using it throughout a longer cycle (10-12 weeks) of injectables may elevate liver values a little bit, though much, much less than one would expect with a 17-alpha-alkylated steroid. Eventhough instead of inhibiting gains, mesterolone may actually contribute to gains. So that's a bit of a shame. Its not quite as toxic since its not alkylated in the same fashion, but at the 1 position, which reduces hepatic breakdown, but not like 17-alpha alkylation. The reason for the change of position I assume, is because alkylating at the 17-alpha position has been shown to reduce affinity for sex hormone binding proteins. This would in turn decrease its ability to free testosterone. Nonetheless the delivery rate is quite good. Its taken daily in 50-100 mg doses.

The best thing to stack it with is testosterone of course. Its most easily bound to SHBG and albumin, and deactivated for up to 98%. Since the dihydrotestosterone can compete for these structures with higher affinity it would naturally lead to a higher yield of whatever testosterone product you stacked it with. Since dihydrotestosterone levels are notably higher now there is also more stimulation of the androgen receptor causing more strength gains, and because of its affinity for aromatase the overall estrogen level decreases as well. This has as a result that gains are leaner, and once again the overall testosterone yield is increased as less I converted at the aromatase enzyme.

It's of course used in other stacks with products such as methandrostenolone, boldenone and nandrolone to reduce estrogenic activity and increase muscle hardness. The addition of proviron makes boldenone a dead lock for a cutting stack and for some may even make it possible to use nandrolone while cutting, although the use of Winstrol or a receptor antagonist in conjunction is wishful as well. The benefit of adding it to a nandrolone stack is that it may also help you reduce the decrease in Libido suffered from nandrolone, since the latter is mostly deactivated by 5-alpha reductase, an enzyme that makes other hormones more androgenic.

Proviron is an anti-aromatase, so obviously anti-estrogens would be futile and redundant. Blood pressure medication for those prone to hypertension may be wise, as this dihydrotestosterone can increase the blood pressure.


3 days on Proviron, I feel really more aroused and horny when i look at porn, anyone excites me, but, jacked off and sensation was a mere 5.0/10...

some people say it takes 1.5 weeks to build up, so i'll keep my hopes up...

besides, i may not have the real deal...

crossing my fingers...maybe it will take longer for me, i will persevere...

« Last Edit: May 17, 2012, 05:14:43 PM by jrsousa2 »


Thats how I have been with the supplements.  I feel more sensation and I think its goign to be a good one but I am disappointed for the most part in the finish.  Still its good that I get aroused easier and there is more sensation.  I am hoping this is a process and it keeps getting better.  It gradually got worse after SSRI's so it could be the same getting better a gradual process. 


just have a look at another one of the various amazing testimonials that i've read:

you should, even down at 50mg/day on good prov..50-75 seems to be a good long term use number for me....
Agreed! My experience with bayer proviron was:
-25mg: Didn't notice much
-50mg: Good dose, noticeable increase in libido and better mood
-75mg: Strong libido, but still manageable
-100mg: Uncontrollable libido. I'm talking about jerking off 3 times a day to go about your business

I have some sciroxx proviron lying around now. I will try it soon and compare it to my previous experience with HG proviron.

on this link there are even more upbeat testimonials:

Well, I have the same brand as the guy above, Bayer, and Bayer seems to still make this product.

My erections are now hard as rock and the libido is very strong, but in a different way that i can't describe, it's
like the libido is strong, but i need to want it, to look at porn to trigger the sexual drive, it seems to be a bit

i still don't have a lot of sensation, but I'm hopeful i will eventually have it, as i've been using the lowest possible dosage, which takes
time to build up. people say that on 100mg a day it's insane the libido is uncontrollable, and i'm on 50mg ED.
I'm feeling real aroused, maybe the sensation is not great yet because i haven't been getting good sleep lately.

i order this online from two different sites and to my dismay both brands are the same, bayer, and blister packs.
i was hoping a different brand would perform better.

« Last Edit: May 18, 2012, 04:34:17 PM by jrsousa2 »


i dont know if when he says HG proviron hes talking about the Bayer one. what is HG? opposite of UG?

yes, I'm suspecting Proviron may not improve orgasms, only libido and hard wood.

« Last Edit: May 18, 2012, 08:34:50 PM by jrsousa2 »


The USA is so full of shit.

Stupid doctors are the most well paid pros in the country, but when you go to them,
they are useless clueless idiots, only after your money.

In Brazil I find doctors to me more competent, efficient.

Idiot prescribed me a pricey medication for nasal congestion, doesn't work.

And without medical coverage, it's very expensive. What a country. It's no
wonder they are swamped in debt.

besides, in canada, when you get a prescription medication the pharmacist and doctor give you a mini lecture onn
how to take the medication, sides, etc.
here the useless stupid doctors give you the prescription and say go home and turn around cause
i have more suckers to get the money from. not that bad if you have insurance though.

« Last Edit: May 19, 2012, 07:38:55 PM by jrsousa2 »


I agree doctors suck here.  2 more weeks till I see doctor and mention adderall worked for me.  I will not ever take an SSRI again so thats out of the question.  I would consider social anxiety meds adn try and see if that helps.  Not sure fi there is any correlation but it would help me anyway in that area.  I am just goign to tell doctor adderall fixes me and I can enjoy sex like normal people can.  Its a serious quality of life issue not being able to feel orgasm.  I have no history of abuse of any drugs so i dont see the big deal a low dosage of adderall.  Its known to help social anxiety too.  I need to selll the anxiety and mentoin adderall helps taht and I know it helps me sexually.


I never took SSRI's anymore, though I was still stupid enough to take minoxidil, even after what finasterid
did to me.
i've been off SSRI's for more than 13 years now I believe, last time I was around 23 or so.

Proviron is working well to increase libido and make my wood hard, as they say, though, i don't think
it will increase the sensation and orgasm, not sure.

i'm on a very low dose, maybe should go higher to 100mg a day.

the libido is really strong, wow, if i start to think about sex i get very hard right away.
if free t does this, what is responsible for orgasm? probably neurotransmitters.

« Last Edit: May 20, 2012, 08:06:41 PM by jrsousa2 »



« Last Edit: May 25, 2012, 09:33:35 PM by jrsousa2 »


my orgasm has now improved to 6.8

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