SARMs – Everything You Need to Know

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The skinny on SARMs (selective androgen receptor modulators)

SARMs (selective androgen receptor modulators) have gained popularity rapidly over the past few years as more athletes have started utilizing them for their performance based needs.   Although anabolic steroids have been researched since World War 2, the first official trials of SARMs did not begin until the early 1990’s.  The main reason for their research was to find something that gave the benefits of anabolic steroids, but without the hyperactive side effects. 

Difference between SARMs (selective androgen receptor modulators) and Anabolic steroids

The “S” in SARM’s stands for selective and this word explains a lot when it comes to why SARMs (selective androgen receptor modulators) have fewer side effects than anabolic steroids.   Their selective action means they focus directly on affecting areas of our bodies deoxyribonucleic acid, which prevents bone and muscle wasting while causing lean-sustainable growth.

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SARMs VS Anabolic Steroids

While SARM’s are like sending a cruise missile at a specific building of bad guys during a war, anabolic steroids are similar to dropping an atomic bomb on an entire city. You will get some bad guys, but you will also kill off a lot of good people in the process.  These nasty side effects that are common with anabolic steroids include gynecomastia, water retention, organ strain, aggression, and severe shutdown of the pituitary glands. According to researchers, SARMs (selective androgen receptor modulators) are considered 50X more selective than anabolic steroids!

The hope for researchers is that they would one day replace anabolic steroids entirely.  The following is a list of advantages SARMs (selective androgen receptor modulators) have over anabolic steroids:

  • SARMs are non-toxic and won’t destroy your kidney’s or liver
  • They do not convert to estrogen
  • Do not severely shut down your Hypothalamus-Pituitary-Testes-Axis (HPTA)
  • Don’t destroy your prostate or shed your head hair
  • They aren’t inflammatory or cause a loss of collagen in the body

For these reasons, many athletes have learned that it makes more sense to stack in SARMs (selective androgen receptor modulators) with their anabolic steroids for added benefits without the extra side effects.

What are the most common SARMs (selective androgen receptor modulators) athletes are using?

There have been dozens of SARMs (selective androgen receptor modulators) researched and tested over the past 2 or 3 decades but athletes have narrowed their favorites down to a handful.  In no particular order they are as follows:


Investigated as an Alzheimer cure and still in pre-clinical stage, Testolone is considered perhaps the most potent of the bunch.  It is the closest thing you will get to hormone replacement therapy, and athletes report a boost in strength, muscle, and libido while on it.

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MK-2866 is great for muscles and bones.  It is in clinical testing for osteoporosis treatment along with preventing muscle wasting.  Athletes report superior injury recovery, lean muscle mass, and joint boosts.

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Also in clinical testing and considered the 2nd strongest of the bunch.  Athletes report increased lean muscle mass, strength, and recovery.


S-4 was in testing to treat prostate enlargement.  Athletes love using it for its fat loss traits, and strength gains.

There are also SARMs-like compounds that are sold as such but aren’t actually SARMs.  The 3 most popular are:


GW-501516 is a Peroxisome proliferator-activated receptor (PPAR) agonist designed to treat heart disease and obesity.  Athletes report tremendous increases in endurance and sustained fat loss.


SR9009 is an agonist of Rev-ErbA, it was shown to increase exercise output by increasing mitochondria in muscle.  It does have a shorter half-life than GW501516-Cardarine, but it also is an incredible endurance booster with fat loss properties.


Also called Ibutamoren, it is a growth hormone secretagogue.  It will increase secretion of growth hormone and Insulin growth factor-1 (IGF-1), without shutting down the bodies production of hormones or increasing cortisol.  Athletes are amazed by its ability to boost sleep, raise endurance, increase appetite, speed up recovery, increase muscle, and burn fat.

Add it all up and SARMs (selective androgen receptor modulators) have many ways you can utilize them by themselves, in a steroid stack, during post cycle therapy, or during your bridge.

You can read more about all their benefits here.

What are the best SARM’s stacks?

Any of these can be used by themselves for great results, however, when stacked you can double or triple your results.


If you want crazy endurance stack 25mg per day of MK677-Nutrobal + either 20mg per day GW501516-Cardarine or 20mg per day SR9009-Stenabolic.

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A lot of athletes complain they cannot recover fast enough from their grueling workouts.  The good news is a stack of 10mg per day of RAD140-Testolone + 25mg per day of MK677-Nutrobal will have you ready for your next workout quicker.

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Unfortunately, our bodies are not robots made of steel, and we are going to deal with nagging injuries with weight training.  A stack of 25mg per day of MK2866-Ostarine-Ostabolic + 25mg per day MK677-Nutrobal + 10mg a day LGD4033-Anabolicum will speed up healing of joints, bones, and soft tissues.

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Fat loss:

The best fat loss stack is 20mg a day of GW501516-Cardarine + 50mg a day S-4-Andarine.

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Lean muscle gains and strength:

You will notice a boost in both muscle growth and strength in the gym if you stack:

10mg a day of RAD140-Testolone +  50mg per day S-4-Andarine +  25mg per day of MK2866-Ostarine-Ostabolic.

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How do I stack them with anabolic steroids for best results?

There are different options when it comes to how to best utilize SARMs (selective androgen receptor modulators) with your steroid cycle.

buy cardarineIf you use Trenbolone-Finaplix it will destroy your endurance due to the increase of PGF2A, which is an inflammatory prostaglandin.  It is smart to stack 20mg per day GW501516-Cardarine or 20mg per day SR9009-Stenabolic to offset this side effect.

If you are using anabolic steroids to set new personal records in strength. It is very wise to stack 25mg per day of MK2866-Ostarine-Ostabolic.  The reason is that it will help heal and repair as you are putting a strain on your body.  I also recommend using 50mg per day of S-4-Andarine. Because it does a great job of boosting strength without increasing side effects.

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Those who want to use steroids to bulk are wise to consider stacking in 25mg per day of MK677-Nutrobal. It will increase hunger very rapidly.

Some guys do not like using testosterone in their cycles because of the increase of estrogen, so they will use non-aromatising compounds like Equipoise or Primobolan but still want a ‘Testosterone base‘.   The simple solution here is to use 10mg per day of RAD140-Testolone. It is the equivalent of using roughly 175mg per week of Testosterone.

Where can I buy SARMs (selective androgen receptor modulators)?

Currently, SARMs are legal in the United States but the window is rapidly closing.

Law analysts think they will be banned completely by the end of 2018.  This has caused many legitimate companies that sell them to close or move overseas.

Be wary of any domestic sources of SARMs as they are likely selling you fake product or prohormones.  Also be skeptical of companies selling them for super low prices. Because it is impossible for them to be produced and sold for a profit if a 1 month supply sells for under $100.  A trusted source for SARMs (selective androgen receptor modulators) is