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RAD 140 vs LGD 4033: Which One Should You Buy?



Use this if your main focus is speed, stamina, and endurance


  • Enhanced Athletic Performance
  • Gives extra strength to workout for more hours
  • Improved endurance and stamina for few more reps


  • could elicit sleep problems due to hyper and euphoric state



Use this if your goal is build muscle mass.


  • Faster Muscle Development And Recovery
  • 100% Safe and does not have side effects like steroids
  • improves Muscle mass and Greater Sex Drive


  • Over Dosage may result on headache

Summary: RAD 140 is a non-steroidal selective androgen receptor modulator. Its chemical structure is different to that of testosterone, whilst it leads to the same effects. This results to leaner gains and improvde endurance, especially over similar SARMS like LGD 4033.

If you’re checking this article out, we’re willing to bet you love your barbells, you intend to fry your muscles on every set you crank out and that you now want to take both your training and gains through the roof!

Today we will conduct an objective comparison of two of the most well-known SARMS available right now.

We will discuss how they impact your training, their overall benefits and other relevant factors. The key objective is to minimize any potential confusion plaguing you.


Before we dive into more detail, here’s a quick refresher on SARMS: they provide the same training benefits of traditional steroids without the side effects such as deepened voice, baldness, male breast development, heart issues, etc.

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What Is LGD 4033?


  • Increase Muscle Mass
  • Proven Safe and Lab-Tested
  • Greater Sex Drive
  • Fast Muscle Development

LGD 4033 was originally meant to treat conditions like muscle wasting, aging, osteoporosis, muscular dystrophy and cancer.

But bodybuilders, weightlifters and competitive athletes just fell in love with it, mostly because it packs on slabs of lean muscle and spikes athletic performance in no time. In the fitness and sports circles, it is being positioned as a risk-free alternative to taking testosterone.

It works by binding to the androgen receptors with high affinity and selectivity. It activates anabolic activity in muscles and strengthens the bones, demonstrating a strong selectivity for muscle and bone tissue rather than prostate and sebaceous glands.

What The Research Says

To be honest, there is room for a lot more human studies and the ones that were conducted could have used a larger sample size. Nonetheless, we’d like to mention this study conducted in 2013. 

It was conducted over a period of 3 weeks with 76 healthy male participants aged between 21 and 50 years. Participants were either given a placebo or varied LGD doses of 0.1, 0.3, or 1.0 mg daily for 3 weeks.

The key objective was to evaluate the safety and tolerability of LGD-4033, how it interacts with the human body with increasing doses and if it has any REAL effect on lean body mass, muscle strength, stair-climbing power, and sex hormones.

It was concluded that LGD-4033 was safe, interacted well with the body, and increased lean body mass even during this short period of 21 days without any change in the prostate-specific antigen.

Recommended Dosage

If you’re after lean muscle or a new PB on the track the recommended dose is between 5 and 10mg per day. The cycle should last 6 to 12 weeks, followed by a 4-week break. 

You can increase the dosage by 1 or 2 mg after the third or fourth week. However, you should give it proper consideration before you kick off the cycle.

Always start with a lower dosage!

If you start off at 10mg and increase from there, you run the risk of overdosing.

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Side Effects

We can sense one of your eyebrows rising up, but you’d be surprised to know that in the (limited) human studies, no notable side effects have come up.

That being said, mild and temporary suppression of natural testosterone levels can sometimes be expected. 


It would be hard to predict precise gains since our bodies respond differently to any type of chemical. However, it has been reported that people have experienced about 1-1.5 pounds of muscle gain per week, with some reporting even higher gains.

Also, note that clean and focused nutrition combined with proper training is equally important.

It’s about time you chucked away that discount card to your favorite pizza joint!    

Keep in mind that once your LGD 4033 cycle ends, you will most likely end up losing some of the weight gained during the cycle. This is because of the glycogen being released from the body, so it shouldn’t worry you.


  • 1
    Leaning out: A 12-week cycle of LGD 4033 at 10mg daily, combined with a low-calorie diet, and 20mg of Cardarine GW501516.
  • 2
    Bulking: Combine dosage of 10-20mgs with Nutrobal MK677 at 25-50mgs per day to put on some quality muscle mass. The cycle can last between 8-12 weeks.

What Is Rad 140?


  • 90:1 Anabolic to Androgenic Ratio
  • Higher Bone Density
  • Enhances Endurance and Stamina
  • Quick Muscle Recovery

RAD140, also known as Testolone, is a SARM initially formulated by Radius Pharmaceuticals in 2010.

It was made with the main purpose of combating muscle loss and weakened bone density that primarily occurs in breast cancer patients.

And just like LGD-4033, it quickly found its way to the competitive bodybuilding and fitness circles, majorly because of its minimal side effects and the ability to allow sleeve busting gains, just like with traditional steroid usage.   

What The Research Says

Human studies of Rad-140 are yet to be conducted. Only animal studies have been conducted so far. A 2010 study conducted on rats and monkeys has shown positive results. It concludes:

Taken in sum, RAD140 has all the hallmarks of a SARM. It is potency selective, since it stimulates muscle weight increases at a lower dose than that required to stimulate prostate weight increases. 

Moreover, it is also efficacy selective, because it is fully anabolic on muscle but demonstrates less than complete efficacy on the prostate and seminal vesicles and, in fact, can partially antagonize the stimulation of the seminal vesicles induced by testosterone. RAD140 has excellent pharmacokinetics and is a potent anabolic in nonhuman primates as well. We believe the overall preclinical profile of RAD140 is very good, and the compound has completed preclinical toxicology in both rats and monkeys.”  

Recommended Dosage:

The ideal dosage will depend on factors such as how much experience you have, your size and the eventual goal.

For nattys, a daily dosage of 10mg is recommended. If you happen to be an advanced lifter then a 15-20 mg daily dosage would be more suitable.

Although some users divide their dose in the morning and evening, it can also be taken once a day since it has a half-life of 12-18 hours.  

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Side effects

Being a SARM, it won’t have the side effects of a typical anabolic steroid.  But you must consider that it is relatively new and there haven’t been human studies yet, so human side effects and risks haven’t been determined yet. Some users have reported temporary hormonal suppression. 

I would certainly advise being careful: this doesn’t mean that it doesn’t have any side effects, just that there isn’t enough information available yet.


Expected Results

After a Rad-140 cycle you can expect:

  • An increase in lean muscle mass
  • It facilitates fat loss by allowing increased fat oxidation i.e. conversion of fat to energy
  • Increased vascularity
  • Athletes have reported a boost in physical strength, speed,and endurance during high-intensity physical sessions.


You have several options to use it. Here’s what we suggest for eye-popping results:

  • Solo use. If you’re a natty, you can use it on its own for a 12-16 week cycle, but a 6-8 week cycle initially is more suitable. Also, make sure to allow yourself at least 4-6 weeks once you’re done with the cycle 
  • ShreddingIf you’re looking to shred you can stack it at 10-20mgs/day with 20mgs/day of Cardarine (GW501516). 
  • Bulking. To put on mass, you can stack the above dosage with Ligandrol LGD (Anabolicum) and S4 (andarine).

Conclusion – Which One is for You?

The decision will come down to your eventual goal.

Users primarily use LGD-4033 when they’re looking to put on some quality mass.

Rad-140, on the other hand, has proven to be a better option if you’re looking for a summer shred or want to improve your stamina, speed and physical endurance.  


To Increase Stamina, Speed, Endurance


To Build Muscle Mass