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Manufacturer: Alpha Pharma
Substance: Masterolone (Proviron)
Package: 25mg (50 pills)

Provibol (Proviron) is a synthetic, orally effective androgen which does not have any anabolic characteristics. Provibol is used in school medicine to ease or cure disturbances eased by a deficiency of male sex hormones. Many athletes, for this reason, often use Proviron at the end of a steroid treatment in order to increase the reduced testosterone production. This however is not a good idea since Provibol has no effect on the body’s own testosterone production but-as mentioned in the beginning-only reduces or completely eliminates the dysfunctions caused by the testosterone deficiency. These are in particular impotence which is mostly caused by an androgen deficiency that can occur after the discontinuance of steroids, and infertility which manifests itself in a reduced sperm count and a reduced sperm quality. Proviron is therefore taken during a steroid administration or after discontinuing the use of the steroids, to eliminate a possible impotency or a reduced sexual interest. This, however does not contribute to the maintainance of strength and muscle mass after the treatment. There are other better suited compounds for this (see HCG and Clomid). For this reason Provibol is unfortunately cunsidered by many to be a useless and unnecessary compound. Provibol is also an estrogen antagonist which prevents the aromatization of steroids. Unlike the antiestrogen Tamoxifen which only blocks the estrogen receptors (see Tamoxifen) Proviron already prevents the aromatizing of steroids. Therefore gynecomastia and increased water retention are successfully blocked. Since Provibol strongly suppresses the forming of estrogens no rebound effect occurs after discontinuation of use of the compound as is the case with, for example, Tamoxifen where an aromatization of the steroids is not prevented. One can say that Tamoxifen cures the problem of aromatization at its root while Tamoxifen simply cures the symptoms. For this reason male athletes should prefer Proviron to Tamoxifen. With Proviron the athlete obtains more muscle hardness since the androgen level is increased and the estrogen concentration remains low. This, in particular, is noted positively during the preparation for a competition when used in combination with a diet. Female athletes who naturally have a higher estrogen level often supplement their steroid intake with Proviron resulting in an increased muscle hardness. In the past it was common for bodybuilders to take a daily dose of one 25 mg tablet over several weeks, sometimes even months, in order to appear hard all year round. This was especially important for athletes appearances at guest performances, seminars and photo sessions. Since Proviron is very effective male athletes usually need only 50 mg/day which means that the athlete usually takes one 25 mg tablet in the morning and another 25 mg tablet in the evening. In some cases one 25 mg tablet per day is sufficient. When combining Proviron with Tamoxifen (50 mg Proviron / day and 20 mg Tamoxifen / day) this will lead to an almost complete suppression of estrogen.

You can get rapid effect in workouts after buying Provibol by credit card or via Paypal.

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In addition to a regular anabolic products line we offer HGH and PCT products like Somatropin, HCG, Clenbuterol, Clomid, Tamoxifen, Anastrozole and all others that will help you to increase your natural testosterone production after steroid cycles.

Any purchase ends up with credit card payment through our secure payment gateway. You will get tracking code of the shipment within 3 working days after your card payment is approved.

Enjoy buying Provibol from our steroid store. We are looking forward to make you our loyal customer.

メステロロン 25mg 通販

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Additional Information


Alpha Pharma


Masterolone (Proviron)


25mg (50 pills)


  1. :

    Proviron is awesome when it comes to making all of your stack run at its top levels. You don’t need a ton of it for it to work either. I typically run between 25-50mg per day and that definitely does the job. I’ve tried more and it doesn’t actually become more effective, so less is best especially when it comes to cost effectiveness. For the amount that it costs it will actually save you in the long run because you can lower dosages of everything else slightly, so depending on your stack this is a great choice, especially for your wallet.
  2. :

    I didn’t know what my TRT stack was missing until I added 25mg of Proviron to it, and then I felt like everything was working perfectly. It puts me in a great mood, and I feel like I’m unstoppable. I’m the manager at my job and it really makes me more assertive as a boss, but not in a bad way. I’m just way more direct with everyone. It really makes me feel….alive. It also seems to make the low doses of Test work better in almost every way, so it really ties the stack together. I feel a lot better now, and won’t be going back to TRT without it ever again.
  3. :

    Proviron is awesome for motivation. It’s not like Dbol where you get that euphoria or anything, it’s just pure “I wanna get everything done now” energy. It works great as a mild AI too which means it’s perfect if you have a cycle that you’re a little worried about, but not something that will 1000% need an AI. In the gym it doesn’t really boost strength or anything like that, but it really makes you want to attack your workouts which will lead to better workouts in general. For me it’s a brain compound, not a body compound.
  4. :

    Proviron isn’t something that will make you strong, or something that will make you add on crazy mass. But what it does do is just as valuable in my opinion. My mood is way better when I’m using it, and my libido is in full force. That improvement in mood does translate at the gym too, and I’m able to attack my sets mentally better which gets better results as you probably know. If you can choose between having good days at the gym all the time it seems like a no-brainer, and this is what Proviron can do for you.

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