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Tamoxifen is an extremely popular medication both in medical settings as well as in the bodybuilding industry. Tamoxifen Citrate is the full drug’s name and is most commonly sold as the brand Nolvadex. Firstly manufactured by Imperial Chemical Industries (ICI) then the company was bought by AstraZeneca. Nowadays Nolvadex is mostly sold by AstraZeneca with the substance Tamoxifen Citrate. Yet is being manufactured by different pharma tamoxifen-10mgcompanies as different brand names.

Tamoxifen is an orally active medication that is mostly used for treating breast cancer in post menopausal women. That’s because this compound is a Selective Estrogen Receptor Modulator (SERM) and it does a great job in disabling estrogen receptors in breast tissues.

So, estrogen receptor positive (ER+) breast cancer in women or men can be treated with Tamoxifen Citrate (Nolvadex).

Other than that, in medical settings – Nolvadex can be used for treating infertility in women. That’s since it promotes ovulation in women. There may be other uses, but these are most common.

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Explaining Tamoxifen

Tamoxifen (Nolvadex) is very similar to Clomiphene (Clomid) taken into consideration that they are both SERMs, therefore, they are both working in similar ways. Both of them are selectively binding to estrogen receptors. On some estrogen receptors working as antagonists (preventing active estrogen from binding) but are working as agonists in other estrogen receptors.

That’s why they are very different from Aromatase Inhibitors (AIs). Like Aromasin, Arimidex, or Femara which are completely reducing the total estrogen levels in the body.

SERMs are only blocking the estrogen from the receptor. AIs inhibit aromatization.

Tamoxifen vs Clomiphene

Tamoxifen Citrate is considered to be a more powerful compound than Clomiphene Citrate (Nolvadex vs Clomid).

They both work in similar ways offering similar results and they are both used for Post Cycle Therapy (PCT) plans in bodybuilding.

Very often, they are both combined together as they work in synergy to keep testosterone levels high during PCT plans and help the body recover HPTA.

Yet, Tamoxifen is more powerful. Plus, if talking about treatment or prevention of gynecomastia – Tamoxifen (Nolvadex) is definitely a winner compared to Clomiphene (Clomid).

Tamoxifen in Bodybuilding


As earlier mentioned, Tamoxifen Citrate (Nolvadex) is by far the most commonly used for Post Cycle Therapy (PCT) plans. With or without Clomiphene Citrate (Clomid) in combination.

Another use of Tamoxifen in bodybuilding is to help with gynecomastia, either treating or preventing this side effect of anabolic steroids.

  • However, since Tamoxifen would only work great for gynecomastia alone.
  • But won’t be helpful for other estrogenic related side effects such as water retention, bloating, hypertension, and others; bodybuilders choose AIs during the cycle of steroids to deal with ALL estrogenic related issues.

So Tamoxifen is rarely used for estrogen related issues on cycle. Bodybuilders go for AIs instead. But is very popular for PCT plans.

Tamoxifen For Post Cycle Therapy Protocols

NolvadexTamoxifen Citrate has been proven very effective in increasing LH and total testosterone in the body. That’s why it is so helpful at recovering your HPTA and body’s natural hormonal balance, making it a very popular compound for Post Cycle Therapy (PCT) plans.

Many bodybuilders agree that Nolvadex (Tamoxifen Citrate) combined with Clomid (Clomiphene Citrate) makes one of the best combo for recovery during PCT plans.

That’s all because running anabolic steroids would make your body stop producing testosterone naturally. The LH is dropping down and testosterone doesn’t get produced anymore or is suppressed. PCT regimens are effective in helping the body recover its ability to produce testosterone by stimulating hypophysis.

  • That’s what Nolvadex does, and therefore, you get more LH and a spike in testosterone levels produced by your body.


Tamoxifen Side Effects and Administration

If you run Tamoxifen for PCT, then dosages are usually 10-40 mg every day or every other day. When Tamox is rarely used for the treatment of gynecomastia among bodybuilders – the dosages are usually higher – 20-80 mg a day.

For PCT, it is recommended to start at a higher dosage and then to slowly reduce. Many bodybuilders start at 40 mg a day of Tamoxifen for 2 weeks when PCT plan starts. After all steroids are flushed out of the system. And then are reduced to 20 mg a day for the last 2 weeks of the total 4 weeks PCT plan.

But remember it depends on the harshness of the steroid cycle. Dosages can be adjusted according to how you feel.

  • Tamoxifen side effects are generally non existent when the compound is used in proper doses.

Remember that bodybuilders run Nolvadex to deal with side effects, not get additional ones. What should be mentioned though – Tamoxifen up regulated progestin receptors. If you run Tamoxifen with other steroids that up regulates them, you may develop too high progestin related issues.

Some examples of such steroids include: Trenbolone and Nandrolones. Better avoid the use of Nolvadex with any of them.


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