A lot of people make the mistake of thinking that SARMs do not require a PCT protocol, however, that’s just not true.

Indeed, SARMs have become popular because they are very effective at increasing muscle mass and boosting strength levels whilst remaining fairly safe with few side effects.

Nonetheless, exactly like other hormonal substances, SARMs do mess around with your hormones. SARMs do not interfere as severely with your hormones as much as anabolic steroids do. Nonetheless, you still need to be very careful about it.

Selective Androgen Receptor Modulators (SARMs) do suppress the endocrine system. It means that you are very likely to experience low testosterone levels from using SARMs. It can be mild, but might also be a heavy suppression.

Some people say they do not require a PCT, others do. It depends on a lot of factors. Everyone is different with different reactions. Plus, it depends on the dosage, cycle length, and many other factors. But to be sure you actually need a PCT – you need a blood test.

What is a PCT?

Not everyone might fully understand what PCT actually is. PCT stands for Post Cycle Therapy – a protocol meant to help recover natural testosterone production. PCT is important after running suppressive compounds.


When you’re using SARMs, prohormones, or steroids – the body reduces the production of testosterone naturally. With heavy compounds, it might even lead to a complete shutdown of natural testosterone production.

This is usually not a problem as long as you’re continuing to use those hormonal compounds because you receive testosterone exogenously. Therefore, as long as you run SARMs, testosterone still remains in the body.

Nonetheless, when the SARMs cycle stops, your body doesn’t produce testosterone and you don’t “give” testosterone exogenously either. This is where problems start to begin. You would start experiencing low Testosterone symptoms. Some common examples include loss of muscle and strength, fat gain, depression, mood swings, lethargy, erectile dysfunction, and many others.

The body restarts the production of testosterone when the external sources stop being administered. However, it takes a while until you get normal T levels again. The PCT plan is there to help recover the natural testosterone production much faster. It also helps maintain T levels high artificially until your body produces enough testosterone.

Do All SARMs Need a PCT?

No, not all SARMs require a PCT plan because some of them won’t suppress your Testosterone production. However, there are SARMs that do suppress it, so you do require a PCT plan after a cycle with them.

Nonetheless, some people do not require a PCT plan even after using suppressing compounds. That’s because of how their bodies react to the compounds. Additionally, most likely, because they use low dosages and shorter cycle lengths. Obviously – the longer the cycle and the higher the dosage, the higher the suppression rate. So, the more likely you are to need Post Cycle Therapy.

In the end, the only 100% certain way to tell whether or not you need a PCT is to have a blood test. It would indicate the hormone levels. But many seem to simply listen to their bodies. If they do experience some low Testosterone symptoms and/or high estrogen symptoms – they start with PCT.

That’s why I would highly recommend everyone to have the PCT medications handy. Ready to use. Just in case.

There are cases of people using milder SARMs such as MK-2866 (Ostarine) at low dosages for short periods and still suppressing their Testosterone levels.


How to Determine If I Need a PCT?

I highly recommend you have the Post Cycle Therapy (PCT) ready each time you stop the use of SARMs. You may not start it, in case you don’t notice any negative symptoms. But you wish to start if you notice reduced libido, fatigue, emotional changes, insomnia, and other similar issues.

Also, do start a PCT plan if you start noticing size and strength loss. PCT plan helps sustain the results you achieved during the SARMs cycle.

I already mentioned a few examples of when you need a PCT plan. However, I’m going to get slightly deeper into this. As mentioned, the best way to determine whether or not you require a PCT plan is to have blood work done.

SARMs can be very detrimental if you don’t know what you’re doing. So I would strongly recommend having 2 blood tests done when thinking about using them. One blood work before the cycle and the other one after it. You’re going to have a better picture of where you’re starting from and what are the outcomes.

What Determines If I Need a PCT?

Here are the most important factors that play a role in determining the suppression rate. Also, whether you require Post Cycle Therapy.post-cycle-therapy-sarms

  • Type of SARM. Some SARMs are more suppressive than others. For example, YK11 and S23 are some of the most suppressive ones. On the other hand, MK-2866 (Ostarine) and S4 (Andarine) are the least suppressive. LGD-4033 (Ligandrol) and RAD140 (Testolone) do suppress natural testosterone suppression. SR9009 (Stenabolic), GW501516 (Cardarine), and MK677 (Ibutamoren), however, are not suppressive at all, given they are not even SARMs.
  • SARMs Dosage. Obviously, dosage plays a huge role. By using extremely high dosages, you are very likely to suppress your natural T production, even when using milder steroids. If you use high dosages of the powerful SARMs, there’s no chance you won’t need a PCT plan.
  • SARMs Cycle Lengths. While you might administer normal dosages of SARMs, you’re still going to need a PCT plan if running too long a cycle length. Whilst most common SARMs cycle lengths are 8 weeks (or even shorter), some people run them for 12-16 weeks. Even after 8 weeks, you’re very likely to need a PCT.
  • Gender. Females, usually, do not require a PCT plan. First – because they do not have and do not need as much Testosterone levels as males do. Second – because they are at higher risk of virilizing issues. This means that cycle length should be shorter (4-6 weeks maximum) and dosage should be at least in half compared to that of men.
  • Genetics. Unfortunately, this is a factor that we can’t influence. 2 different people may go for the exact same cycle (type of SARMs, stack, dosage, cycle length – everything) and yet, have 2 different outcomes.

What SARMs Need a PCT?

I’m going to share below in order of appearance the most suppressive SARMs. The bottom ones are the least/non suppressive.

  1. S23 – perhaps the most suppressive SARM. Extremely powerful, but very likely for you to need a PCT. Even if you run very low doses for short periods.
  2. YK11 – this is another extremely powerful SARM. Among the most powerful ones and the only Myostatin Inhibitor. Low dosages are enough to cause a high suppression.
  3. LGD-4033 – Ligandrol PCT is very likely if you use it for long periods and/or in higher doses. But if you’re going to keep cycle length short and lower doses, you might avoid the need for a PCT.
  4. RAD-140 – Testolone PCT, similarly to Ligandrol, is very likely in higher doses and/or longer periods. But with responsible use, you may not need one.
  5. MK-2866 – Ostarine PCT is less likely for you to need one. Nevertheless, there are still people reporting low T symptoms even after using low doses, so be careful.
  6. S4 – Andarine PCT is unlikely for you to need. High dosages and/or longer cycles might still not suppress you enough to require a PCT. But people are different so it can be enough for others.
  7. GW-501516 (Cardarine) – PPARδ receptor agonist, doesn’t touch your hormones. No PCT is needed.
  8. SR-9009 (Stenabolic) – Rev-ErbA ligand, doesn’t touch your hormones. No PCT is needed.
  9. MK-677 (Ibutamoren) – HGH secretagogue, doesn’t touch your hormones. No PCT is needed.

Best PCT Plan For SARMs?

A PCT plan lasts anywhere between 3-8 weeks.

Is important to understand: Post Cycle Therapy starts when the suppressing compounds are out of the system. That’s why learn about their half-lives. There are various different products you can use for PCT plans.

Some people suggest that natural supplements meant for PCT are enough. While that’s true only in the case of a very mild suppression rate – it’s not in case the suppression rate is at least slightly higher. You could use those natural PCT supplements alongside medicines meant for PCT.

Commonly, SERMs (Selective Estrogen Receptor Modulators) help recover back natural testosterone production. Similar to SARMs, they selectively bind to specific receptors. But unlike SARMs, which bind to androgen receptors, they bind to estrogen receptors. They block estrogen in the pituitary gland. This helps increase Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). That’s how the body starts producing testosterone naturally.


Tamoxifen popular brand name is Nolvadex. A popular SERM for treating breast cancer and gynecomastia. Common dosages for PCT are 40 mg a day (at the beginning of PCT) and 20 mg a day (at the end of PCT).


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Clomiphene popular brand name is Clomid. Another SERM similar to Nolvadex, but is stronger. More effective, but with more side effects. It helps treat infertility in women. Common dosages for PCT are 50 mg a day (at the beginning of PCT) and 25 mg a day (at the end of PCT).


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PCT Side Effects

Post Cycle Therapy (PCT) helps recover back natural testosterone production and control the estrogen vs testosterone ratio. This greatly helps avoid numerous side effects and negative symptoms.

However, Clomid and/or Nolvadex (alone or combined) do come with their own list of side effects. Commonly, side effects from these SERMs indicate you’re either hypersensitive to it (genetics), or you’re using too high dosages (maybe for too long periods).

Serious side effects are possible, but people report them very rarely. It could be chest pain, eye pain, stroke, shortness of breath, seizures, changes in vision, and others. Allergic reaction, as to anything else, is possible. Stop the use immediately if you notice any serious side effects.

Other milder side effects that most people can easily bear include:

  • Headaches
  • Fatigue
  • Mood swings
  • Hot flashes
  • Anxiety
  • Stomach upset
  • Muscle cramps

The good news is that most people running PCT responsibly never report harsh side effects. In fact, most people do not report any side effects at all from running PCT. On the other hand, not running a PCT plan you’re very likely to experience negative side effects.

Where to Buy PCT Medications?

Almost all PCT products are approved by the FDA. However, you would need a prescription to obtain them. You can’t buy them Over The Counter. Doctors usually refuse to prescribe them for PCT plans, that’s why you have to go for online sources.

SARMS.to is the best place where you can get all your needs. We have high quality SARMs and PCT compounds.

Check our PCT & Estrogen Control section where you’re going to find everything you need. Be aware that a PCT plan is not really expensive, but is really worth it for maintaining your muscles and strength.

SARMS PCT Conclusion

You may find some information suggesting that SARMs do not require a PCT plan – that’s a false claim. Anyone thinking so would make a mistake. Even with mild SARMs like Andarine S4, you are still likely to need one. Especially when talking about powerful ones like LGD-4033 Ligandrol, YK11, Testolone RAD140, Ostarine MK 2866, or S23.

  • You may not need PCT by running Stenabolic (SR9009), Cardarine (GW501516), or Ibutamoren (MK677). That’s because they are not actually SARMs at all.

By not using a PCT plan after using suppressing SARMs though, you are very likely to experience nasty side effects. That’s because you can switch the normal estrogen to testosterone balance in a negative way and may suffer from low testosterone levels.

While SARMs are not as suppressive as anabolic steroids, PCT is still important. Maybe a milder one compared to steroids. But it’s still a lifesaver in those situations when you start losing strength, muscles, erection, your well being, or sleep after the cycle.

It’s best to have Clomid (Clomiphene) and Nolvadex (Tamoxifen) handy. Be ready to use them whenever you need during a PCT that usually lasts 3-8 weeks. 4 weeks is the most common PCT plan with both Clomid and Nolvadex started as soon as all suppressing compounds are out of your body.

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