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RAD 140 (Testolone): Results, Dosage, & More (Updated 2023)


RAD 140 before and after results

You may have heard of RAD 140, or Testolone as it’s sometimes called—a potent SARM that rivals some steroids in terms of its overall muscle building anabolic effects.

In fact, you may even be considering taking RAD 140 Testolone to pack on some lean body mass, but maybe you want to know more about how it works, what results to expect, and more.

Well, in this article, I’ll show you my RAD 140 results, and offer my thoughts on the best RAD 140 dosage, cycles, bulking stacks, and much more.

All of this is based on both clinical research and my experience with taking RAD 140 for two separate cycles—so if you want the truth about this selective androgen receptor modulator, then keep reading.

What is RAD 140 (Testolone)?

Testolone, otherwise known as RAD 140, is a selective androgen receptor modulator, or SARM for short, which is a new class of dietary supplements that has all the benefits of anabolic androgenic steroids, with very few of the drawbacks.

RAD 140 Testolone was initially created and researched by Radius Health, to be used as a type of androgen replacement therapy for cancer patients suffering from muscle wasting. In other words, it was meant to be a sort of “safe” version of steroids for dying cancer patients…

Needless to say, bodybuilders very quickly caught onto this and started using SARMs as a legal alternative to steroids.

Using SARMs, users can potentially put on 15-20 pounds of lean muscle gain each, and lose 10-15 pounds of fat, in just a short few months—or just one cycle.

Buy USA Made RAD 140 Here!

On top of this, SARMs have been shown to be very safe in animal studies, and much of the anecdotal evidence suggests that side effects are pretty rare.

How is this possible? Well, the magic lies in the “mechanism of action,” or in other words, how SARMs selectively bind to androgen receptors. Unlike anabolic steroids, which bind to all androgen responsive tissues, SARMs like RAD 140 only bind to the good, muscle building type of androgen receptor.

This is leading people all across the world to start using SARMs like Ligandrol, Ostarine, or Cardarine, to gain an edge on their competition.

Legality by Country

Now, I’m sure you’re probably wondering: “Is RAD 140 legal?”

Fortunately, SARMS are legal in most countries to buy, sell, and possess—they’re just not approved by the FDA for human consumption yet.

So, people buy them for “personal research” (wink wink) and there’s literally nothing that all the lawyers in the world can do about it.

SARMs are legal to buy in the following countries:

  • United States (All States)
  • Canada (All Provinces)
  • Europe (All Countries)
  • Asia (All Countries)

In fact, the only country that has banned SARMs for sale or purchase is Australia—even so, plenty of body builders use them there.

If you’re an Olympic athlete, however, you may get tested for SARMs—and due to their anabolic nature, they’re scheduled as a banned substance by the World Anti Doping Agency. [R]

Fortunately most individuals however, Testolone (RAD 140) is completely legal to purchase and own, in the USA, Canada, and Europe.

How Does RAD 140 Work?

Chemyo Banner Ad SARMs

To put it bluntly, RAD 140 is a selective androgen receptor modulator, and just like any other SARM, from Ostarine to YK11, it activates certain androgen receptors in your body, but avoids others.

Testolone, otherwise known as RAD 140, has a high affinity for muscle receptors and bone tissues, meaning it will help you build muscle quite rapidly while also leading to improved bone density.

Through this process of androgen modulation, and due to its high tissue selectivity (according to human trials), RAD 140 is able to have the strength of an anabolic steroid, with very few of the adverse effects.

RAD 140 starts working shortly after ingestion, and begins binding to skeletal muscle androgen receptors, signaling your body to build muscle. In fact, within a week, most users notice an increase in athletic performance, faster muscle growth, faster recovery, and accelerated fat loss, too.

RAD 140 vs. Anabolic Androgenic Steroids

While anabolic steroids are great for muscle toning, building new muscle tissue, and just getting jacked in general, the potential side effects aren’t really worth it unless you compete professionally.

Yes, it’s true that anabolic steroids like Trenbolone Acetate (and other strong ones) are in fact stronger than SARMs, but the potential for side effects like liver injury, breast cancer, liver damage, hair loss, and Alzheimer’s disease makes blasting anabolic steroids not really worth it.

Testolone (RAD 140)Anabolic Steroids
Build MuscleBuild Muscle
Shred FatShred Fat
Few Side EffectsMedium Side Effects
Non-HormonalHigh Aromatization
RAD 140 vs Anabolic Steroids

Compare this to SARMs like RAD 140 Testolone however, and you see many of the main benefits, without any of the liver damage or other side effects that steroids often cause.

The reason for this is that RAD 140 binds to specific androgen receptors associated with weight loss and muscle growth, and ignores the other ones that would cause adverse effects.

Testolone (RAD 140)Anabolic Steroids Build Muscle Build Muscle Shred Fat Shred Fat Few Side Effects Medium Side Effects Non-Hormonal High Aromatization

RAD 140 (Testolone) Benefits

RAD 140 Testolone Benefits

As previously mentioned, RAD 140 is an extremely powerful over the counter anabolic SARM, which many users compare to a low to moderate dose of steroids, such as Anavar or Winstrol.

In fact, many users report gaining 10-15 pounds of muscle from taking this compound in such a short time, and also losing 10-15 pounds of body fat at the same time.

Buy USA Made RAD 140 Here!

When you take a SARMs like Testolone, not only do you build a ton of muscle, but you also do it with less side effects than many steroids. The potential benefits of SARMs like RAD 140 are 100x greater than any other supplements on the market right now.

Here are some benefits of taking RAD 140 Testolone:

  • Increase Muscle Strength
  • Accelerate Protein Synthesis
  • Improve Athletic Performance
  • Potential Neuroprotective Effects
  • Improve & Strengthen Bone Health
  • Fight Muscle Loss While Cutting

When I started my RAD 140 cycle, I started breaking my personal records within the first two weeks. I also put on a ton of muscle, built a ton of strength, and looked way more “cut and dry” very fast.

In addition to this, I also lost 12 pounds of fat—and I was already pretty skinny. I didn’t experience any side effects either, which was incredible.

In short, taking Testolone has the potential to completely transform your body, within just 2-3 months. It did for me, and it can for you, too.

Build Lean Muscle

One of the most obvious benefits of this compound is that it helps your body rapidly put on lean muscle mass, faster than anyone could naturally.

As I’ll talk about later in this article, this was one of the biggest benefits that I experienced while on my cycle—extremely fast muscle growth.

This isn’t just bro-science, either. One study found that even a small dose of RAD 140 led to a 10% increase in overall body mass in just 28 days. [R]

If you weigh 180 pounds, that’s the equivalent of gaining 18 pounds of mostly lean muscle mass in just 4 weeks. That’s pretty damn impressive.

Accelerated Fat Loss

Another great benefit of RAD 140 is that it helps with fat loss—in fact, when I was on my own cycle, I lost a total of 12 pounds of body fat.

While the full clinical trials and data is scarce on this, there’s a ton of user reports and anecdotal evidence suggesting that Testolone is very helpful with fat loss.

In fact, as I said in my SARMs Before and After post, I had better results on just RAD 140 than with Ligandrol, Ostarine, and Cardarine combined.

Low Side Effects

Thankfully, there’s a lot of research and clinical studies surrounding Testolone, and most of it suggests that this SARM is not only very safe, but very effective.

In fact, a recent study conducted by researchers at the University of Southern California, Los Angeles, found that RAD 140 was much safer than Testosterone Replacement Therapy in many ways. [R]

One of the ways that RAD 140 is safer than Testosterone Replacement Therapy (TRT), is that it doesn’t negatively impact the prostate.

Another study conducted by clinical researchers at the Boston University School of Medicine speaks very highly of selective androgen receptor modulators.

Clinical researchers stated that SARMs present an “unprecedented opportunity” to help users build muscle and shred fat, with minimal side effects [R].

In short, SARMs are even more powerful than some traditional steroids alone, such as Anavar or Winstrol, and have much less of the side effects, too.

My RAD 140 Results

RAD 140 before and after results

Pictured above are the RAD 140 results I got from an 8 week cycle. I gained 21 pounds of muscle and lost 12 pounds of fat in 2 months.

Buy USA Made RAD 140 Here!

Pretty damn impressive, no? I’ve been on three SARMs cycles so far, and in my humble opinion, RAD 140 is one of the best SARMs for a lean bulk.

Here’s an overview of my Testolone cycle:

  • Dosage: 30mg/day of RAD 140
  • Length: 8 Weeks (60 Days)
  • Training: Body of an Alpha Routine
  • Diet: Ate At 500+ Caloric Surplus
  • PCT Protocol: Testosterone Booster

All in all, my gains were pretty incredible. If I had to review this drug I’d give it a 5/5 stars, due to its high effectiveness and low side effects.

My RAD 140 Cycle Experience

Overall, my experience with RAD 140 was incredible. It started working within just the first week, and the results I got were literally eye-popping.

I got my RAD 140 from Chemyo, which in my opinion, is one of the best SARMs vendors online—every product they sell is tested for purity.

Here’s the effects I experienced:

  • Increased Strength
  • Rapid Muscle Growth
  • Enhanced Performance
  • Better Endurance
  • Insanely Quick Fat Loss

It sounds crazy, but the effects I noticed from this compound were pretty insane—I’d compare it to a low to moderate dose of steroids, in fact.

The only side effect I noticed from this product was a much deeper voice—in fact, it was so deep that one of my friends even mentioned it, too.

Overall, my cycle was incredible. I gained 21 pounds of muscle, lost 12 pounds of fat, and didn’t experience any major side effects at all.

RAD 140 Dosage

rad140 vials
The RAD140 vials I got from Proven Peptides

For my cycle, I took 30mg per day of RAD140, which was 3 full droppers of the RAD140 from Science Bio, because it’s dosed at 10mg/ml.

UPDATE: Since Proven Peptides has shut down recently, I now recommend Chemyo. For your convenience, I have updated the links in this article accordingly.

Admittedly, this is a relatively high dosage. Most users report incredible gains from just taking 15 mg per day or even 10 mg per day.

Here are the RAD 140 dosage guidelines:

  • Beginner Dose: 10 mg per day
  • Intermediate Dose: 15 mg per day
  • Advanced Dose: 30 mg per day

If you’re new to SARMS, consider starting with just one full dropper of the RAD140 from Chemyo, which is equal to taking 10 mg per day.

Cycle Length Guidelines

For this cycle, I took 30 mg per day for 60 days. Most users agree that doing either an 8 week cycle or a 12 week cycle is the best length.

Personally, I would recommend taking a Testolone dose you’re comfortable with for 8 weeks, and then follow this up with a post cycle therapy.

The idea behind a PCT, or post cycle therapy, is it helps you keep your gains, and encourages natural testosterone levels and production in the body to go to normal.

You don’t want to take SARMs for longer than 12 weeks (in my opinion), because you need to give your body a break to “reset” its baseline.

Stacking Guidelines

Some users choose to take multiple SARMs at once, which is known as a SARMs stack. This allows them to get CRAZY results, fast as hell.

Testolone is generally considered to be a bulking SARM, so it’s best for bulking stacks—that being said, it can be used to help cutting, too.

Sample Bulking StackSample Cutting Stack
RAD140 (15mg/day)RAD140 (10mg/day)
MK 677 (25mg/day)Ostarine (25mg/day)
YK11 (10mg/day)Cardarine (10mg/day)

Those are some example RAD 140 stacks above. Generally, Testolone will stack well with other bulking SARMs such as Ligandrol, MK-677, or YK-11, but it can also be used to preserve lean muscle mass during a cut.

PCT Protocol

As I wrote about before, a good SARMs PCT can help your testosterone levels get back to normal, and help you keep most of your gains. If you don’t use a PCT, there’s an increased risk and a high chance you will start to lose muscle after your cycle.

I recommend you read that article for a full guide on how to do a post cycle therapy for Testolone, but here’s an example of a good PCT.

Weeks 1-8RAD140 (15mg/day)
Weeks 9-10Nolvadex (40mg/day)
Clomid (50mg/day)
Weeks 11-12Nolvadex (20mg/day)
Clomid (25mg/day)

Studies have shown that taking a drug like Nolvadex or Clomid after your cycle can help support natural testosterone production significantly, increase luteinizing hormone, and lower estrogen levels post cycle. [R]

This is very important, because maintaining optimal hormone levels post cycle will lower the risks of coming off SARMs, such as elevated estrogen, which can lead to low sex drive, and loss of muscle mass, too.

So, if you want to keep your body in tip-top condition, with sky-high levels of testosterone naturally, then definitely consider using a PCT to be safe.

RAD140 Side Effects


Personally, I didn’t experience any side effects from RAD 140, aside from mild testosterone suppression (which was quickly fixed with a PCT).

That being said, some users may experience side effects depending on the dosage they take, their unique genetics, and many other factors.

Here are some potential side effects of RAD 140:

  • Mild Headaches
  • Deeper Voice
  • Increased Cholesterol
  • Sensitive Breast Tissue
  • Slight Liver Toxicity
  • Increased Blood Pressure
  • Prostate Issues

The only side effect I experienced on cycle was a deeper voice, but aside from that, I didn’t get any headaches, nausea, or anything like that. Most of these risks come with very high dosages, upwards of 100mg per day.

Some people do experience side effects, even though clinical studies have shown us that RAD 140 (Testolone) is very well tolerated by most people, and that most people only experience positive effects. [R]

Even though most people get great results on RAD 140 Testolone, it’s still good to be aware of these side effects, so you can lower your dosage if needed.

The Bottom Line

Chemyo Banner Ad SARMs

In summary, the RAD 140 results I got were absolutely incredible.

I put on a whopping 21 pounds of muscle, and lost 12 pounds of fat, in literally just 60 days, with literally no side effects at all.

If you do decide to run a cycle of Testolone, I highly urge you to check out the RAD 140 for sale over at Chemyo—I’ve tried it myself and it’s 100% legit.

All in all, I was 100% satisfied with my RAD 140 results, and would absolutely do another cycle again, with the same dosage as before.

If you’re on the fence about purchasing any SARMs for your first time, just shoot me an email and I’ll answer whatever questions you may have.

If you’re 100% convinced you DO want to take SARMs, then get yourself some RAD 140, and use the code “MD10” to save 10% off.

As always, if you guys have any questions, comments, or concerns, feel free to let me know down below… and I’ll see you guys next time!

Frequently Asked Questions
❓ What Are Selective Androgen Receptor Modulators?

SARMs are essentially legal alternatives to steroids. According to clinical trials, they are effective at combatting muscle wasting and facilitating muscle rebuilding in a dose dependent manner.

❓ Is RAD 140 A Selective Androgen Receptor Modulator?

Yes. RAD 140 (Testolone) is a SARM. It has a half life of roughly 20 hours and is not a dangerous chemical unless you have underlying medical conditions.

❓ What Are Androgen Receptors?

They're essentially sites that SARMs bind to in the body. Due to their relatively short half life in animal models, most SARMs rapidly bind to receptors that will fight bone loss and promote levator ani muscle growth.

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Uncle Sam
7 months ago

Probably not a question you’d regularly field, but I’m gonna ask it anyways. Hypothetically speaking, say you were going to do a 9-month deployment to the middle east. You have the ability to regularly hit 2 a day lifts and want to make the most out of your free time while deployed, so you intend on running SARMs to maximize gains. Are there storage temperatures that negatively affect potency of SARMs/ would these SARMs being stored in higher than average temperatures diminish their effectiveness? Thanks in advance!

David Hwang
2 years ago

hello! I went to ScienceBio to purchase RAD140 (Testolone) per your recommendation, and to my surprise they are no longer selling any SARM products.
Do you have another shop that you trust and recommend? Thank you!

2 years ago

Hey man just a quick question. I have never taken Sarms I’m 22 22% BF/6’2/210LB. My main goal is to cut the body fat was going to take Cardarine. If I could add some muscle too while cutting that would be great. Is it worth taking Rad-140 as well or just take Cardarine? Just worried about suppression GF won’t be too happy lmao. Thanks for your help man.

Harry Henry
2 years ago

“according to the chemistry, it has an anabolic ratio of 90:1. This means that it’s 90% as strong as pure steroids, but only has 1% of the side effects.” Might want to study a bit more and reword this. Not correclt defining what a 90:1 anabolic *to androgenic* ratio means.

Chris Silardi
2 years ago

While Rad-140 is a great darn, it DOES suppress testosterone in over 90% that take it, this guy must be one of the very lucky 10% which is great!

Gavin Liam Haas
9 months ago
Reply to  Chris Silardi

Show me the car fax

2 years ago

Voy a usar un ciclo de ostarine 25mg y 5mg de rad 140 que opinas de ese ciclo
Suprimirá mucho y podré mantener todas mis ganancias luego del ciclo

Rush Bash
2 years ago

After one 12 week cycle of rad140 , if I stop taking it would I lose my gains? Would you recommend 12 weeks on 4 weeks off and keep repeating that cycle? Thank you.

3 years ago

Jon- I plan to take 15 mg of RAD 140 over an 8-12 week cycle. This will be my first SARMS cycle as well. Will one 60 ML bottle last me the full 12 weeks?
Do you suggest any other PCT’s to take along with Testogen as well?

3 years ago

How long did a bottle last you and also which ML bottle did you purchase, 15, 30 or 60ML ?

3 years ago

Jon, when entering the code Masculinedev into the discount code box on Proven Peptides shopping cart checkout page it now reads “coupon expired”. Do you know anything about this?

4 years ago

Jon, I’m currently two weeks into my eight week “off-cycle” rest from Rad-140 and I was wondering if I need to stay away from any and all SARMs or can I switch over to Ligandrol (as I’m really into getting leaner, rather than bulked up)?. Logic tells me that if I rest from one SARM, I’d need to rest from them all, but I just thought I’d ask to be 100% sure on that. Cause if not—I’m getting the Ligandrol immediately while I wait for the time I can restart the Rad-140 again. Thanks in advance for fielding my question.

Jon Anthony
4 years ago
Reply to  LeftyBillC

After your “lab rat” waits two months, you can have him start another cycle.


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After dropping out of college to pursue my dreams, I started this blog as a way to help other men do the same.

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