Beginners Guide to SR9009: Everything You Need to Know

Everyone wants to be the best they can be in everything they do. Sometimes, you simply run out of energy and endurance to accomplish your goals. When this happens, what do you do?

Many people are starting to turn to SARMs to help give them the extra boost they need to work out a little longer, take an extra trip to the gym, or hit the weights harder while you’re there.

There is a lot of exciting science coming out regarding SARMs. There still needs to be more human studies before anything hits the mainstream market, but that doesn’t mean we aren’t seeing some incredible benefits from its users already.

In this article, we’re discussing SR9009, also known as Stenabolic. This SARM is said to have many benefits including rapid loss of fat mass, improved endurance, and it may even improve your overall sense of wellbeing. 

A quick introduction to SR 9009 / Stenabolic

SR9009 / Stenabolic

SR9009, also known as Stenabolic is a selective androgen receptor modulator used to “hack” the our bodies clock. It’s said to help with endurance, cholesterol, anxiety, weight, and inflammation. There are many studies done on mice, and they have seen all of these benefits, but so far nothing done using human subjects.

Interestingly enough, in some cases, certain people won’t even call this a SARM. They say the same goes for Cardarine and MK-677 (Ibutamoren) as well. They call it an agonist of Rev-erbA, which we will explain further.

How does SR 9009 work in the human body?

How it Works

So, what does it do, and how does your body experience the benefits? Well, our bodies coordinate with the sun in a process called the circadian rhythm.

Think of it like a 24 hour loop that resets after each day. It turns our genes on and off which is a significant part of our energy regulation throughout the day.

Rev-erbs help stabilize the internal clock by turning off BMAL1. SR9009 improves the effect of our body’s rev-erbs, which leads to a whole host of interesting benefits that have to due with energy output and red blood cell modulation.

While there haven’t been any tests on humans, animals have seen many exceptional benefits from this process, and for that reason, we’ve seen a growth in SR9009 sold online. 

How Rev-Erb Works in the Body

Okay, so we know that the Rev-erb proteins impact the circadian behavior of mice, which impacts their sleeping patterns, but how does that affect us?

It’s important to understand that circadian rhythm and energy go hand in hand. If you have a regulated sleeping pattern, you generally have more energy throughout the day to accomplish things. One significant plus of SR9009 is it takes the most natural approach to increase your strength by trying to optimize how you sleep.

Here are some of the ways the Rev-erb works:

  • In mice, it shut down genes that create glucose without altering insulin sensitivity. It also reversed the process by turning off genes that create fat cells, which can reduce weight gain and help your body eliminate fat.
  • Since Rev-erb encourages fat burning, it increases the mitochondria activity and promotes the new generation while eliminating the old. This will help burn fat faster and produce newer, more healthy cells in the body. 
  • Rev-erb turns fat-storing genes off, which reduces triglyceride production

How to use SR9009 to accomplish your goals


It’s important to understand that when you’re taking any SARMs, you need to pair it with a precise diet and exercise routine. If you’re trying to take SR9009 because you’re diabetic or you’re trying to increase your overall health but not looking for physical gains, we would recommend speaking with your medical professional before proceeding.

Now, if you’re interested in taking SR9009 because you’ve seen the incredible muscle gains you can achieve from it, then let’s get into some of the details of how you can take this supplement and use it to your advantage. 

Figure out What You Want to Accomplish 

The first step is to determine what you’re looking to accomplish from this journey. Figure out what you want to achieve and develop a plan for getting there. Most people will skip this step, and they’ll find that they never reach their ultimate goal as a result.

Most people are so focused on losing body fat or paying attention to the number on the scale. With SARMs, what you need to pay attention to is how you feel.

Remember, you’re taking this not because it’s going to make the weight fall off you magically, you’re taking it so you can have the energy and drive to put in those hours at the gym.

We would recommend writing down your goals and having them outlined somewhere in your home. If you have a journal or a whiteboard, that would be great. Don’t just start popping SARMs and expecting the receive results. You need to strategize and plan first. 

Don’t Forget Diet 

Your diet is important, as well. If you’re not leading a healthy lifestyle, it won’t matter how much you try to gain more muscle and lose fat because you’re not putting the right things into your body. The key to achieving the greatness you desire starts within.

Start changing your diet immediately when you start taking SR9009. Put more leafy green vegetables into your diet, more fruit, more animal protein, so on and so forth.

It’s also important to pay attention to your caloric intake relating to what you’re trying to achieve. You need to know how many calories you should eat in a day because SR9009 will impact that depending on your goals.

For example, if you’re trying to cut body fat, you’ll want to reduce your calories and likely stack something like Cardarine or LGD4033 on top of your SR9009. You can follow whatever diet you choose, but it’s important to make sure that you stick to your gameplan. 

Can you stack SR9009 with other compounds and SARMs?


Speaking of stacking, this is something you might want to look into depending on your goals. There are many different stacks you can do with SR9009, so let’s take a look at some examples.

If you’re trying to lose fat, you could stack Cardarine or Andarine at 25-50 mg with SR9009 at 20 mg. This is great for cutting, and it will spike your endurance incredibly, which will help you shred it up in the gym even at a caloric deficit. Read more about the SR9009 and Cardarine stack

For bulking, take RAD140 at 20 mg and SR9009 at 20 mg. This stack will help you gain lean muscle, lose fat, and increase your endurance, all while building up and gaining energy for the gym.

Overall, stacking is a great way to combine two or more SARMs to pair the benefits of them so you can get the most out of your workouts and your life. There are many different combinations of stacks you can do. Check out the SARMs blog of all the different SARMs you can combine with SR9009. 

What are the benefits of taking stenabolic?


Okay, so far, we’ve talked about how you can take SR9009 and some of the habits you should get into to experience the most results. Keep in mind, all the benefits we’re about to touch on are not yet proven to work on humans.

Scientists performed these tests on mice, but as you can tell from a lot of the conversations we’ve had so far, many people are out there killing it and experiencing amazing results from SR9009, so let’s get into it. 

Weight Loss

In a test done on mice, they injected them with SR9009 for seven days, and the mice lost weight due to a decrease in fat mass. Their caloric intake was not affected.

They also did the same study on obese mice across 30 days, and hey lost 60% more weight than the other ones. With that came lower triglyceride levels, cholesterol, free fatty acids, and insulin levels. 

Blood Cholesterol

SR9009 is said to reduce the level of triglycerides and cholesterol as well. This factor can help people with diabetes and blood sugar issues. In a test done on mice, they gave them SR9009 for up to ten days, and studies showed that it reduced their triglycerides


The main thing that leads many people to SR9009 and SARMs, in general, is the increased endurance they want to achieve so they can work out more, longer, and more effectively. SR9009 is said to increase the number of active mitochondria in muscle cells, which increases your endurance and allows you to do more in a shorter period of time. 

Reduced Inflammation 

Lower inflammation can help you in a variety of ways. When you have low inflammation, you heal faster and recover from workouts better. When you can recover quickly, it means you can spend less time on the sidelines and more time in the gym, making yourself better. 


Some might say that energy and endurance are the same things, but I would disagree with that. I think that it’s important to have endurance because that is what keeps you going when you don’t feel like working out anymore.

Energy works in a different way. If you don’t have energy to start with, you’ll never even make it into the gym in the first place.

Have you ever had one of those days where you feel like you don’t have enough energy to accomplish anything? Endurance isn’t going to help you there because you didn’t do anything yet.

Let’s go back to the Rev-erb cells that change your sleeping patterns and regulate your circadian rhythm. Taking SR9009 may help you feel more awake and energized at times when you would normally feel tired.

For example, if you have to travel across the country for business and catch an important business meeting, you would want to show up there refreshed even though you’re suffering from jet lag. SR9009 would help you feel energized because it’s regulating your circadian rhythm even when it’s thrown off. 


Many people experience crippling issues associated with anxiety. When you’re anxious, it makes it hard to do anything, and this can impact your success at the gym, and it ruins your confidence. It’s hard to feel good and achieve the gains you want in your life when you’re nervous or anxious.

SR9009, given to mice for up to ten days, displayed less anxiety-like symptoms in them. The study states that the effects were similar to that of a benzodiazepine without the side effects

Legal Status

All SARMs are legal, but it’s important to understand where the law ends and where rules begin. According to the World Anti-Doping Agency, SR9009 is a metabolic modulator that is prohibited for use in professional sports.

If you’re trying to get an edge over your competition in a professional capacity, I would recommend against using SR9009 to do that. It has a short half-life, so you might be able to get it out of your system before undergoing a drug screening, but it might not be worth the risk.

SR9009 doesn’t have the strongest workout and strength training benefits as compared to something like Ostarine or YK11. In my opinion, it wouldn’t be worth the risk of taking this to get an edge in professional sports, but for recreational and personal gains, it does the trick. 

How much SR9009 should you take on cycle?


Now that you know everything you can accomplish with SR9009 let’s talk about how you should take it. There is no clear human dosage simply because of the lack of testing on human beings, but most people recommend taking between 10 and 30 mg per day.

You’ll always find situations where people will tell you to take more or less based on their experiences, but overall, the side effects of this SARM are limited, so I wouldn’t worry too much about overdoing it.

That said, you’ll also want to understand that there is a half-life of only 4-5 hours, which means you’ll want to take it multiple times per day.

If you’re going for a workout in the morning, you’ll want to take it first thing when you wake up, then again around lunchtime, and then later in the day; you’ll take it again.

Check out the full SR9009 dosage and stacking guide.

Getting Your Dosage Right

Make sure you understand that you are not taking 30 mg every time you dose. That would be your full dose for the day. If you’re taking 30 mg a day, you would take ten in the morning, ten in the afternoon, and ten in the evening.

It kicks in quickly, and your cycle should last about seven weeks. Once the cycle is over, you won’t need PCT because it’s not suppressive. If you plan to do it again, you’ll want to take around six weeks off before starting back up.

Keep in mind that if you’re stacking, it may alter the dosage you take and the frequency with which you take it. Be sure to put in as much research as possible, so you know exactly what you’re getting into before you get started. 

Read about the best dosage for fat loss.

Does SR9009 cause side effects?

Side Effects

It’s time to hit you with some good news, and that is, there are no major side effects of taking SR9009. Now, let me be clear about that. We’re talking about a drug that does not have any scientific research on humans, so I can’t necessarily say it has no side effects, but humans have not reported any.

Some users have reported insomnia as a result of the regulated circadian cycle. Other than that, you shouldn’t have anything to worry about as long as you follow your dosage, eat right, and maintain a healthy lifestyle in addition to taking this. 

What results can I expect from taking SR9009?


So, what can you expect to achieve when you start taking SR9009? First, you’ll feel more energetic throughout the day, and you should wake up each morning feeling refreshed. 

I expect you’ll also feel an overall better sense of well being. When you wake up from a good night’s sleep each morning, it tends to lead to a good feeling, which in turn has an assortment of positive impacts on your life. 

Since SR9009 results in a decrease in fat mass, it also leads to weight loss. For this reason, many people will pair the SARM with positive diet and exercise changes in their life to try and expedite the process and get the results they want faster. 

Finally, many people who take SR9009 will experience reduced anxiety in their day-to-day activities, which leads to overall better quality of life. If you’ve ever lived with anxiety, you know how difficult it can be to overcome.

When taking SR9009, the reduced feeling of anxiety will help you lead a better life, increase your energy, and ultimately help you to hit your goals easier and faster. 

How to buy SR9009 online

Where to Buy

If you’re thinking about purchasing SR9009, make sure you check out our verified source list. We’ve scoured the internet to only work with the best of the best suppliers, so you know you’re getting authentic and legitimate products.

All of our sources have to pass our five-point inspection, which includes:

  • Lab testing
  • Metal content testing
  • Prohormone and steroid testing
  • Customer support
  • Misleading sales and techniques
💡 Top SR9009 Sources in 2024

Make sure you get your compounds from a reputable source. Check out the Verified Source list to find the best deals on high purity SR 9009, GW 501516, Ostarine, and more.

We check for all these points and approve only the companies that pass these tests. As a result, you know you’re getting the best SARMs that are safe to take and helpful to get you the results you want. Here are some examples of our verified stores: 

Pure Rawz

Pure Rawz has an injectable form of Stenabolic that is lab tested for purity and has great feedback from the community.

Paradigm Peptides

Paradigm Peptides is a newer source that we added to our verified list. They offer fast shipping for domestic US orders and a satisfaction guarantee.

What do before and after results from SR 9009 look like?

Before and After Results

As you can see from both of these photos, these two guys experienced a reduction in fat content, which led to a more muscular appearance. Both of these results come from only one cycle of SR9009. 

What real customers are saying about Stenabolic


Here are some honest reviews from customers who have taken SR9009 and experienced the results for themselves.

  • “Lost 20 lbs in 6 weeks.” 
  • “I’ve used it a bit. The energy and stamina increases are pretty pronounced.”
  • “It gives really nice increases to endurance, but feels different than a traditional stimulant.”

Stenabolic FAQ and final thoughts


How quickly does SR9009 work?

A typical cycle is between 6-8 weeks, and you should start noticing the effects within the first few days of taking it. 

Is SR9009 legal?

SR9009 is legal to buy and sell for research purposes, but it is illegal for supplement stores to sell it for human consumption. There are currently no laws in the USA that criminalize the possession of SR9009.

How long does SR9009 stay in your system? 

The half-life is between four and eight hours, so you’ll need to stagger your dosage throughout the day. SR9009 can stay in your system for as long as two weeks from your last dose, so if you’re trying to pass a drug test, you’ll want to provide yourself with plenty of time. 


By now, you should have a solid understanding of SR9009 and why someone would want to take it. The supplement has many health benefits, including weight loss, increased energy, increased mood, and reduced anxiety. 

It’s still important to understand that human testing does not back all of these claims, but they are supported by science. If you’re considering experimenting with SR9009, I recommend starting with a small dose and ramping it up over time. 

Suggested Literary Sources

Gene Expression Laboratory, Salk Institute for Biological Studies, La Jolla, California 92037, USA.

Institut Pasteur de Lille, Lille, France.

Department of Molecular Therapeutics, The Scripps Research Institute, Jupiter, Florida 33458, USA.

Department of Pharmacological and Physiological Science, Saint Louis University School of Medicine, 1402 South Grand Boulevard, St Louis, Missouri 63104, USA.

Department of Molecular and Integrative Neurosciences, The Scripps Research Institute, La Jolla, California 92037, USA.

Chris Jackson
Chris Jackson

Chris Jackson, co-founder of, is a renowned fitness blogger, physique model, and evolutionary bioscience researcher specializing in SARMs (Selective Androgen Receptor Modulators). His extensive work, characterized by cutting-edge research and practical training advice, has made a leading source for accurate, credible information on performance enhancers. With a dedication to improving the understanding and application of SARMs in optimizing human performance, his contributions have not only expanded public awareness but also shaped the conversation around these substances. Chris's pursuit of knowledge and commitment to sharing it continue to inspire many in their fitness journeys.