Stenabolic (SR-9009) Cycle

By: Juice

Last updated: is intended for informational purposes only and does not take the place of professional medical advice.

Stenabolic, or SR9009, is a compound that will appeal to athletes who are particularly focused on wanting to improve endurance and recovery. It can also have some benefits for fat loss.

Stenabolic (SR-9009) Cycle
Stenabolic (SR-9009) Cycle

While not one of the most powerful substances an athlete can use, SR9009 still has its uses and works particularly well when combined with more potent compounds.

The lack of human based research on Stenabolic means there is not a lot of data about exactly what it can do, although research on lab mice showed certain improvements in important areas like exercise capacity and making better use of stored fat as energy. Stenabolic may also provide some important benefits for recovery centered around sleep.

Author’s Note: The following guide is based on my personal experience and does NOT promote the illegal use of SARMs.

What is SR9009?

Stenabolic is another compound which is often referred to as a SARM but is technically not a SARM at all. In scientific speak it is known as an agonist of Rev-ErbA, but for those of you without a chemistry degree the main interest is in what SR9009 can do for your performance and results.

Stenabolic SR-9009 Structure
Stenabolic SR-9009 Structure

Initial lab studies showed that SR9009 was effective at increasing exercise capacity. It was also found that Stenabolic alters the circadian rhythm in mice but as this was an experimental research with unknown effects in humans, it’s still not fully understood how Stenabolic would impact on the human circadian rhythm, either positively or negatively.

Bodybuilders and other athletes who have used Stenabolic have determined that it is very beneficial in some specific areas of interest: mainly in increasing endurance and stamina, as well as for fat loss.

As this is a research drug only and is not approved for use in humans, no official manufacturer of Stenabolic takes place and the only way to purchase it is through companies who sell it as a research chemical.

The scientist who created Stenabolic has stated that this compound may have little to no bioavailability in humans when taken orally as it does not make its way into the bloodstream.

However those that use the drug for performance enhancing purposes often report a high rate of bioavailability, potentially indicating the possible downplaying by official sources of the true effectiveness and beneficial effects of Stenabolic to discourage use. Many people are using this compound with exceptional results despite the lack of official scientific research of its effects on humans.

Despite this, and the range of unknowns that surround the overall effects of Stenabolic, it is still listed as a prohibited drug by WADA because of its performance enhancing abilities.

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SR9009 Benefits

Lab studies have shown that SR-9009 improved oxygen consumption, muscle mitochondria and muscular use of glucose while decrease liver fat cell formation and body fat storage. Studies on mice showed fat loss over a 7 day period indicating this compound works quickly.

Stenabolic makes the body more efficient use of energy sources so your athletic performance hits a much higher level than normal. Studies have also shown that the metabolic rate at rest can be raised with Stenabolic so you store less fat and burn up more fat when at rest.

  • Endurance and stamina – This is the main effect that brought attention to Stenabolic, with lab results on mice showing a significant increase in endurance capacity. This makes it useful for endurance athletes like runners, swimmers and cyclists and anyone doing cardio work. But bodybuilders wanting to increase capacity for lifting weights can also benefit.
  • Fat Loss – With its ability to improve metabolism and make more efficient use of stored fat, SR9009 can contribute to weight loss and this was also shown in studies on mice. Through a complex set of processes in the body, mitochondrial cells may be enhanced by Stenabolic particularly in fat cells, the liver and skeletal muscle. This action can help with the process of fat being used for an energy source, which can only result in you burning up more fat faster, without losing muscle tissue.
  • Increase Lean Muscle Mass – SR9009 might be able to speed up the gaining of lean muscle. This can make it useful to stack with powerful muscle gaining compounds where it can act as a supportive compound. When combined with a compound like Cardarine (GW501516), Stenabolic can work to maintain your existing muscle especially when your diet is calorie deficit for fat loss.
  • Recovery – Stenabolic can help reduce inflammation and damage to tissues, which helps you recover after intensive exercise. Just as importantly is SR-9009’s effects on sleep because the better sleep we get, the faster and more efficiently the body will recover from a workout and have you ready for your next workout.
  • Inflammation – Stenabolic can potentially reduce the body’s inflammation response which enhances recovery and reduces the risk of injury.
  • Cholesterol – Stenabolic may lower cholesterol if these effects in mice can translate to humans. It has been touted as being particularly beneficial for people with existing high cholesterol, which is the opposite effect of most anabolic steroids which will have a serious negative impact on cholesterol levels.
  • Mental – Through optimizing the circadian rhythm, Stenabolic may improve sleep quality, and help you remain more focused and alert during the day. This boosts all over mental well being and mental energy, putting you in the right frame of mind for your workouts and potentially reducing the mental fatigue that can drag down the intensity of your workouts and hamper your results.

Stenabolic is as useful for its physical benefits as for its positive effects on the mind which will ultimately help to improve your workout capacity and keep you focused. Sleep quality, fat loss and increased endurance are where the main benefits of SR-9009 are focused. Fat loss and retaining muscle while cutting are other additional benefits of this compound.

SR9009 Dosage

Like most things about this compound, there is no consensus on dosage for performance enhancement either and most users will experiment with their own dosages and cycles.

We know that Stenabolic has a very short half life of about 4 hours only so you will want to be timing your intake so it matches up to when you need the effects to kick in and this will usually be about 2 hours before you start a workout at which point its activity in the body will be at the optimal level.

A dosage of under 20mg is suitable for just about anyone, and good effects can even be seen at just 5mg but most people will want to multiply that dosage. This is a compound that’s suitable for using with steroids or other SARMs in a stack.

When considering your dosage you need to be aware that Stenabolic has a very short half life: just four hour approximately. So it not only starts working quickly but also leaves the system quickly, meaning to maintain the optimal level of this compound you’ll need to split the dosage into two or more daily.

For some people though, a single daily dose might fit with your goals such as powering an upcoming workout and keeping you focused throughout it. In this case it’s best to take your once daily dose about an hour before working out.

Those who want the effects of Stenabolic to last for longer than a single workout are likely to follow the option of splitting the dose into two or three times a day. This can provide greater benefits for sleep quality and maintaining mental focus for longer periods.

When making this decision you should be considering not only the physical effects of SR9009 but the mental benefits as well; and for that reason most people will benefit from splitting the dose to keep the effects at their peak.

The absolute maximum dose of Stenabolic that is considered safe is 50mg per day. For most users, that level of dosage will be beyond what is required and many users see good results with as little as 5mg daily which is a good place for new users to start where you can then evaluate the effects of SR 9009 and adjust the dosage as needed.

Most users find a balance at around 30mg daily, and by splitting this into three doses of 10mg three times per day you maintain optimal levels of Stenabolic and reduce the risk of sleeping issues occurring. Higher doses of Stenabolic may run the risk of inducing insomnia which is the opposite effect of what you want to achieve when it comes to improving your quality of rest, recovery and sleep.

SR9009 Cycles

Just as with dosing, when it comes to the best cycles for Stenabolic it all comes down to people experimenting and sharing their experiences, as there is no official scientific data out there on how long Stenabolic should be used for best results, and what the best other compounds to stack it with are.

It has been trial and error for many people, but enough have used it to gain a solid idea of using Stenabolic to obtain maximum results from a cycle.

Experimenting with your own personal dosages and cycle lengths is still a good idea, while ensuring you don’t exceed recommended highest dose or extend your cycles to extensive periods as any impacts of longer term use of the compound has still not been determined.

An 8 week cycle is considered to be an ideal length to reap benefits while reducing any negative risks but increasing this to 12 weeks is more than possible and is not known to raise the risk of side effects, as long as a suitable break is taken after the cycle of a similar length.

Here are some example cycles to get you started with SR9009:

SR9009 only cycle

A Stenabolic only cycles gives you a good introduction to the specific effects of this compound and from there you can make decisions of what other compounds to stack it with in future to meet your particular goals. A SR-9009 cycle should run for at least 8 weeks, but it’s possible to go for up to 12 weeks. Start at 5mg or 10mg daily, then increase this to a maximum of 30mg daily if desired.

SR9009 cycle for endurance

SR-9009 excels at boosting endurance as one of its main benefits, so it’s going to appeal mostly to athletes who want to be able to push harder and for longer; this can be anyone from runners to bodybuilders.

An effective endurance stack is combining 10mg-50mg daily of Stenabolic with Ligandrol at 10mg day. Ligandrol boosts strength and healing while increasing capacity to gain muscle.

Cardarine is another compound which has significant effects on endurance and stacking that at just 10-20mg daily with Stenabolic will provide an impressive performance boost. Each of these stacked endurance cycles can run for between 8 and 12 weeks, with a break of the same length of time to follow.

SR9009 cutting cycle

Cardarine and Stenabolic make for a potent cutting stack combination where fast fat burning is possible and existing muscle is preserved because Cardarine ensures that muscle is not being used for energy.

Stenabolic will boost your focus and stamina as well as contributing directly to fat burning and encourage the use of stored fat as energy; this makes Stenabolic and Cardarine a perfectly matched stack for cutting.

For best results use Cardarine 10mg-20mg per day with a once daily dose, and SR9009 at 20mg to 30mg daily split into two or three doses, for an 8 week cycle. Neither of these compounds will require any PCT.

SR9009 Post Cycle Therapy

Stenabolic won’t suppress your testosterone at all because it has no impact on this hormone. This means you simply stop Stenabolic at the end of your cycle, and it’s then recommended you take a break of at least 6 weeks to allow the body to recover.

However if your cycle is going to include any steroids or any other SARM or other compound that does cause some testosterone suppression, post cycle therapy will need to be implemented according to the best protocol as it relates to those compounds.

SR9009 vs. Other SARMs vs. Steroids

SR-9009 is not a SARM or an anabolic steroid. It is generally considered to be less powerful than most substances in both of those categories, but it has beneficial effects that can make it useful for stacking with other compounds.

Stenabolic will not impact on hormones, like steroid cycles do so there is no testosterone suppression. This means Stenabolic doesn’t require PCT afterwards unless you’re stacking it with suppressive compounds. SR-9009 also won’t have any of the side effects that steroids cause. Users of any anabolic steroids will find Stenabolic an easy compound to handle by comparison.

SARMs are also different to Stenabolic as they target specific androgen receptors, whereas SR-9009 does not target these receptors. Some SARMs can cause mild steroid-like side effects but again this is not a factor when using Stenabolic. This can make SR-9009 an attractive starting option for those who are brand new to using performance enhancing compounds and who may be nervous about the side effects of steroids and some of the more powerful SARMs.

However what SR 9009 does have in common with all SARMs and anabolic steroids is that it is banned and prohibited in professional sports and by world doping organizations.

SR9009 Results

Stenabolic is one of the few compounds that comes with a broad range of benefits that extend beyond the main physical ones. But when it comes to your physical results, SR9009 is no slouch.

You can expect to see quality fat burning as a result of an improved metabolic rate and a noticeable improvement in your endurance which is going to propel your workouts and other physical activity so you’re naturally going to burn more fat – if you can exercise for longer and at a higher intensity, more calories are going to burn.

For many people, fat burning is the main reason to use Stenabolic and your results can be expected to be impressive; but only if you maintain a good quality diet and keep up intensive exercise throughout the cycle.

Since you’re likely to be eating less calories while trying to burn fat during a Stenabolic cycle, the loss of muscle tissue becomes a great concern. Stenabolic can help preserve muscle while fat is burning and also potentially contribute to muscle gains if you’re including weight training in your workouts and using other bulking compounds in a stack.

SR9009 Side Effects

Without any studies or clinical trials on humans, the official word on Stenabolic side effects is simply unknown as the data doesn’t exist. However, athletes who have used Stenabolic have become the main communicator for any side effects, and the good news is that when people are using this compound at moderate doses for restricted periods of time, the risk of side effects is minimal based on personal experience.

That doesn’t mean that Stenabolic will not cause side effects for you as an individual but it certainly won’t be causing the same adverse effects that we see with anabolic steroids.

What is known so far about people using Stenabolic is that there are no reports of liver toxicity. As with any substance, avoiding high doses is the key to protecting the liver, as is limiting your usage time to a sensible cycle length and taking breaks between cycles to allow the body to recover.

An unusual side effect that has been noted by some users is that of insomnia. Considering Stenabolic’s activity on the body’s circadian rhythm which dictates sleep, it might come as some surprise that this effect can take the opposite direction to what is intended.

But if a person is taking too much Stenabolic, it’s possible for the body to become over reactive and this can negatively impact sleep quality – starting a cascade effect on your results and recovery. Reducing your dosage is the ideal way to prevent this side effect, while keeping in mind it has only been reported by a small minority of SR-9009 users.

When it comes to the issues that any steroid user would be familiar with: testosterone suppression, androgenic effects like balding or acne, or estrogenic effects like water retention – these are not a concern with Stenabolic. The compound has no hormonal activity so it doesn’t have any impact on either testosterone or estrogen. This means you won’t need to take any estrogen blocking drugs or any PCT drugs afterwards; unless you are stacking Stenabolic with a steroid or other compound that does affect these hormones.

Women users of Stenabolic also have no need to worry about any masculine trait development, which means both male and female users can safely use Stenabolic without concern for side effects.

SR9009 vs. Alternatives

I’m not here to give you medical advice, but I must strongly recommend that you seriously reconsider any use of Stenabolic SR-9009. Even if you already have a lot of past experience with SARMs or steroids, you may still want to consider alternative safer options.

Here’s why:

Stenabolic is a mostly mysterious compound that has only had a small amount of research done – on mice! SR9009 comes with potentially serious but unknown risks to your health, both in the short and long term. This uncertainty makes Stenabolic simply not worth the risks. This is why I suggest checking out natural, legal and proven Stenabolic alternatives.

Many Stenabolic replacements can offer very similar benefits, sometimes even stronger ones. This is without the potential for nasty and harmful side effects and health complications.

With all this in mind, if you want to go straight to the BEST Stenabolic alternative on the market today, STENA 9009 is the one to check out.

STENA 9009 is a potent and powerful formula that can replicate all the positive effects of Stenabolic, but without those unknown risks to your health. Oh, STENA 9009 is also 100% legal, no matter where in the world you are.

These are important reasons I can confidently recommend STENA 9009, but they’re not the only ones. There’s one specific reason why I’ve chosen STENA 9009 as the number 1 over the counter natural alternative to Stenabolic…

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SR9009 FAQs

Is Stenabolic safe?

Stenabolic is generally considered very safe to use at low to moderate doses and for limited periods of time with breaks in between cycles. No serious long term effects are known, nor are there any known short term serious side effects. Although SR 9009 is not approved for human use nor have any studies been done on humans who use the compound, there are no known reports of any concerning adverse effects from people using this powerful compound for performance enhancement.

What is SR9009 used for?

Stenabolic is mostly used to give a boost to endurance and to aid in sleep quality which can assist with your recovery. It is also useful as part of a fat burning cycle as it encourages stored fat to be used as energy, but it is best combined with other more powerful fat burning compounds like Cardarine. It’s possible that SR9009 can also have some benefits for cholesterol and inflammation.

How much Stenabolic should I take?

Dosages can range from just 5mg per day up to a maximum of 50mg per day. Most people will never see the need to take such a high dose, with the common dosage remaining in the middle of this range at the 20mg to 30mg daily level. At these dosages it is wise to split the dose into two or three times daily administration.

What is Stenabolic SR9009?

Stenabolic is what is known as a REV-ERB agonist, so this makes it neither a SARM or a steroid but a different type of compound. It is a research compound that was only developed out of experimentation but caught the attention of athletes because of its results in mice tests that showed a great improvement in endurance and weight loss.

Does Stenabolic require PCT?

You do not need to do any PCT when using Stenabolic because it does not have any effect on testosterone or other hormones. If you are stacking Stenabolic with any other compound that suppresses testosterone then you will need to do post cycle therapy as usual, however it won’t be required if you’re using Stenabolic alone.

How do you take SR9009?

SR9009 comes as a liquid so there are several options for taking it. It can be taken orally, but bioavailability with this method is thought to be very low. Others might choose to use it as an intramuscular or subcutaneous injection in an attempt to make it more bioavailable. With a short half life of four hours, it is ideal to split the daily dose into two or even three times daily.

Is SR-9009 a SARM?

Stenabolic is not a SARM even though it is often grouped with SARMs and labelled one by those who sell these compounds. It is often stacked with real SARMs in cycles as it perfectly compliments other compounds such as those which are commonly used for bulking, cutting and boosting endurance and performance.

Final Thoughts

Although technically not a SARM but a Rev-Erb agonist, Stenabolic is still usually promoted as a type of SARM by most vendors who sell it.

This compound will appeal not so much to bodybuilders but more so to endurance athletes since studies have shown that it can in fact increase endurance significantly, as well as make fat burning more efficient. Distance runners are one group who would benefit from the effects of Stenabolic.

If stamina, endurance and fat loss are your main goals then Stenabolic could be the right compound for you, just keep in mind that as this is a fairly new SARM there is still much to learn about both its positive and negative effects.

There’s no doubt that Stenabolic definitely works as expected. But in reality, hardly anyone is going to seriously consider using something like Stenabolic with little knowledge or research into its potential impacts on your health.

About the Author
Juice Lewis, Author of
Juice Lewis

Real-life Experience, not Theory

I don't claim to know everything; what I talk about here is something I've done. From anabolic steroids to HGH, to peptides, insulin, and supplements, I've done it at some point in my life, and I can relate.