Stenabolic (SR9009) Guide: Results, Cycles, Dosage, & More!

While many people group Stenabolic, or SR9009, into the SARMs category, it’s actually not a SARM—it’s a ReV-Erba receptor agonist.

Regardless, it is often grouped with SARMs, because they’re both research chemicals that have profound effects that body builders find useful.

Using a compound like SR 9009, many recreational users report rapid weight loss, decreased cholesterol, and enhanced endurance levels.

In this article, we will cover the known side effects, dosages, cycles, and more, so that the readers of this site can get accurate facts and information.

What is SR9009?

sr9009 stenabolic molecule

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Despite many misguided people grouping SR9009 together with SARMs, Stenabolic is not a SARM—rather, it is a PPARδ receptor agonist.

Stenabolic (SR9009) was initially developed by professor Thomas Burris at the Scripps Research Institute, as potential treatment for people suffering from cardiovascular and metabolic diseases. [R]

It didn’t take long for body builders to realize that healthy individuals could take SR9009 to drastically enhance endurance, however.

And while SR9009 is currently not approved for human use, this hasn’t stopped many endurance runners from taking it recreationally.

Overview of SR9009

Before we get into the results, dosage, benefits, and where to buy this compound, we want to first offer a brief overview of SR9009.

Overall, SR9009 is a phenomenal compound for fat loss in particular, with many people losing upwards of 10-15 pounds of fat in just one cycle.

List of Benefits

  • Accelerate Fat Loss
  • Retain Lean Muscle Mass
  • Increase Energy Levels
  • Improve Muscle Stamina
  • Enhance Exercise Endurance
  • Doesn’t Suppress Testosterone

Potential Drawbacks

  • Not Great For Bulking
  • Potential Health Side Effects

Overall, SR9009 is a phenomenal compound for losing fat and is great for any sort of cutting cycle. You don’t even need a PCT for it, either.

How Does SR-9009 Work?

Similar to Cardarine (GW-501516), Stenabolic works by binding to the ReV-Erba receptor, which signals the body to increase mitochondria count.

And if you recall anything from your biology class, it’s probably that mitochondria is the powerhouse of the cell. This is one of the reasons why SR9009 is known for increasing overall energy and endurance.

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By increasing the amount of mitochondria in the skeletal muscles, SR9009 enables users to attain supraphysiological endurance levels.

In fact, one study found that lab mice treated with SR9009 could run for much farther distances, and for much longer periods of time. [R]

SR9009 vs. SARMs

Contrary to popular belief, SR9009 is not actually a SARM—rather, it’s a compound which is classified as a ReV-Erba Receptor Agonist. [R]

SR9009 is still sold by most SARMs vendors however, as the drug is currently in the same legal classification as SARMs (research chemicals).

In other words, even though SR9009 hasn’t been approved by the FDA (yet), it’s still 100% legal to buy, which bodybuilders are doing in droves.

SR9009 Benefits

To date, there have been no human trials conducted with Stenabolic, so many of these benefits haven’t yet been observed in human beings.

That being said, many users report drastic increases in endurance and energy levels, both for cardiovascular and muscular workouts.

Here are some benefits of Stenabolic (SR9009):

  • Rapid Fat Loss
  • Improved Cholesterol
  • Enhanced Endurance
  • Decreased Inflammation
  • Higher Energy Levels

In addition to these benefits, Stenabolic also doesn’t suppress natural testosterone levels, like SARMs such as RAD 140 or Ligandrol do.

Rapidly Shred Body Fat

One of the biggest health benefits of SR9009 is that it helps users to rapidly lose weight. In fact, this is perhaps the primary benefit of SR9009.

Similar to Cardarine, SR9009 is a ReV-Erba Agonist, which quickly acts in the body and begins promoting fat loss and cholesterol improvements.

While the long term health effects of SR9009 aren’t very well studied, one thing is clear: this is one of the strongest fat loss supplements out there.

Enhanced Endurance

Another major benefit of SR9009 is that it enhances endurance to a very large extent, by allowing the muscles to use energy more efficiently.

In fact, one study conducted on lab mice found that this compound led to significantly higher levels of endurance across the board. [R]

So, while it may not grow your muscles as effectively as a drug like RAD 140 or Ligandrol, SR9009 is by far the endurance athlete’s best friend.

Higher Energy Levels

In addition to the fat loss effects, muscle retention effects, and stamina enhancing effects of SR9009, another great benefit is the energy boost.

When I first tried SR9009, I felt like I could keep going for hours on the treadmill—it was within a week of taking it, too. So, it acts very fast.

More energy means you can also get better results in the gym. You can burn fat faster, build muscle faster, and it will even enhance your productivity.

SR9009 Results

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What kind of results can you expect from an SR9009 cycle? Well, the truth is that the results will vary depending on the dosage and cycle length.

That being said, many users who use SR9009 for weight loss report losing 10-15 pounds from just one 8-12 week cycle of Stenabolic.

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Most cycle logs and user reports suggest that you can expect to lose 10-15 pounds and drastically increase your endurance from one cycle.

Again, remember that SR9009 has not been approved by the FDA for human use, either—so many of these results are anecdotal from body builders.

Dosage & Cycle Guidelines

Because no human trials have been conducted with SR9009 to date, it’s difficult to ascertain a good dosage for bodybuilding and endurance.

That being said, the general consensus amongst body builders is that 10-40 mg is usually the best dosage to get good results with minimal side effects.

Here are the best SR9009 dosages:

  • Beginner: 10 mg per day
  • Intermediate: 20 mg per day
  • Advanced: 40 mg per day

The effects of SR9009 are dose dependent, meaning that the more you take, the more benefits and also side effects you will likely experience.

An intermediate cycle, for example, which is 20 mg per day, would be the equivalent of one full dropper of the SR9009 from Science Bio.

Bulking & Cutting Stacks

Some users choose to take multiple SARMs at once, to enhance the effects they experience, build more muscle, and lose more fat.

Sample Bulking CycleSample Cutting Cycle
SR9009 – 10 mg per daySR9009 – 20 mg per day
Ligandrol – 20 mg per dayOstarine – 25 mg per day
YK11 – 10 mg per dayAndarine – 50 mg per day

Because SR9009 is naturally best for weight loss, most users choose to combine it with SARMs that are good for fat loss, such as Ostarine.

That being said, it can also be used on a bulking cycle, to prevent too much fat from being gained while building muscle, even in a caloric surplus.

No PCT Required

Another great benefit of SR9009 is that no post cycle therapy is required, since it doesn’t affect your testosterone levels in the slightest (like SARMs).

This means that you can get all the fat loss benefits of this compound, and even build up some muscle in the process, with no test suppression at all.

You also won’t have to get blood work done on cycle to check hormone levels, since it doesn’t lower testosterone. You may want to get your blood lipids and cholesterol checked on cycle, though.

Potential Side Effects

Because SR9009 has never been tested in human trials, the long term side effects aren’t known very well—more research should be done on this.

We do, however, have many reports from body building forums and user cycle logs, explaining the short term side effects they experienced.

Here are some potential side effects of Stenabolic (SR9009):

  • Difficulty Sleeping
  • Moderate Nausea
  • Mild Headaches

Most users who log their SR9009 experience online claim to experience no side effects, however this hasn’t been proven or disproven in studies.


In conclusion, SR9009 is a powerful fat loss agent and endurance enhancing compound which many body builders choose to take recreationally.

Note that SR9009 has not been approved by the FDA for human use, although it is legal to purchase online for research purposes.

If you want to buy 3rd party tested, 99% pure Stenabolic from a reputable vendor, we recommend you get it from Science Bio.

Every batch of their SARMs and research chemicals are 3rd party verified, and if you use the code “nanotech” you’ll get 10% off your entire order.

Frequently Asked Questions
❓ Is Stenabolic Good For Bodybuilding?

Stenabolic (SR-9009) is a great compound for burning fat and enhancing endurance, which is why bodybuilders often use it for cutting, or during an "on season" before a show. Many bodybuilders report being able to lose 10-15 pounds from just one cycle of Stenabolic.

❓ How Does Stenabolic Work in the Body?

Stenabolic is a PPAR Delta Receptor Agonist, similar to Cardarine, which means that shortly after ingestion it binds to PPAR Delta receptors. From here, it signals your body to increase its' metabolism and switch over to ketosis, which helps to drastically accelerate fat loss.

❓ What is Stenabolic Used For?

Stenabolic (SR 9009) is most commonly used for fat loss and increasing endurance. In fact, many marathon runners and anecdotal users have reported being able to slice off over an hour on their marathon times from simply taking a cycle of Stenabolic.

❓ What's The Best Stenabolic Dosage to Take?

While dosages range from 10-40mg per day, most medical professionals recommend that beginners start by taking 10mg per day to assess their tolerance. For fat loss in bodybuilding, 10-20mg per day is typically the best Stenabolic dosage.

❓ Does Stenabolic Require A PCT?

No. Since Stenabolic (SR9009) is not a SARM (Selective Androgen Receptor Modulator), a cycle of Stenabolic does not require a post cycle therapy, or PCT for short. It does not suppress testosterone production, and therefore does not require a Nolvadex or Clomid PCT.

Nanotech Project Team

The Nanotech Project team is committed to providing the most accurate and up-to-date information about anabolics, nootropics, and bio-hacking as a whole.

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