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Last updated on July 20th, 2021 at 06:26 pm

SARMs, or selective androgen receptor modulators, are regularly used by the bodybuilding and workout community to enhance their body’s natural muscle building and fat loss capacity. The SARMs work by targeting specific androgen receptors in the body that affect fat and muscle. These targeted androgen receptors are then influenced to rapidly build lean muscle and use stubborn fat as energy.

While all SARMs can be used for bodybuilding specifically, some have obtained results better and faster than others. The three SARMs listed below may not be the most common ones used, but they have been noted in the bodybuilding and workout community as being the most effective SARMs for use in bulking.


Andarine is the best sarm for bodybuilding. also known as S4 or GTx-007, is a research SARM that was initially developed as a potential treatment for individuals with muscle or bone wasting conditions. It produces a strong anabolic effect in the body that triggers the growth of lean muscle.

History: GTx Pharmaceuticals synthetically created Andarine for its use in regenerating muscle and bone that had been lost due to musculoskeletal diseases.

Benefits: Andarine increases lean muscle mass and bone strength in most individuals. Many users note that this particular SARM gives the “hard and dry” look that many bodybuilders covet.

Side Effects: Potential side effects of taking Andarine can range from mild to severe, depending on the dosage taken. Possible side effects can include changes in vision, testosterone suppression, headache, fatigue, liver toxicity, and excessive hair loss.

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Recommended Dosage: Andarine is dose-dependent and will therefore be more effective at higher doses. But higher doses can lead to an increased risk of adverse reactions. The standard dose advised for beginners is up to 25 mg a day. For intermediate users who have some experience with the SARM, up to 50 mg a day is recommended. An advanced user can take up to 100 mg a day, but taking this much is ill-advised unless it is only for a short period of time.

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S23 is a selective androgen receptor modulator that has been noted as having a stronger bond with the body’s androgen receptors. This allows the SARM to be more effective when using it for bulking up lean muscle mass.

History: S23 is a newer investigational SARM that was also developed by GTx Pharmaceuticals. It is currently being studied as a potential male contraceptive.

Benefits: S23 can increase lean muscle mass, accelerate fat loss, and speed up recovery time after intense workout sessions.

Side Effects: The side effects associated with S23 are relatively mild, and it is considered safe for use overall. Potential side effects include testosterone suppression, hair loss, increased aggression, as well as face and back acne.

Recommended Dosage: The standard dose that provides the most benefits is indicated as between 10 mg to 25 mg a day. While more can be taken daily, there is not a noted difference that warrants more to be taken.

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YK11 is a powerful SARM and myostatin inhibitor that can not only help individuals build lean muscle mass, but it also prevents the loss of that muscle mass. This allows bodybuilders to build up the lean muscle needed to achieve their ideal form, faster and easier than with standard SARMs alone.

History: YK11 was originally developed as a treatment for cancer patients that had suffered muscle loss due to their illness.

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Benefits: Taking this SARM can increase the overall muscle mass of an individual, enhance their strength, and increase their sex drive. YK11 also gives users the “hard and dry” look in their form.

Side Effects: As very few clinical trials have been done with the SARM, the side effects, and the overall safety of the SARM can not be confirmed. Users have reported that some side effects are regularly experienced, these can include joint and tendon pain, increased aggression, liver toxicity, and testosterone suppression.

Recommended Dosage: A standard dose of YK11 for potential or experienced bodybuilders is around 10 mg a day to 15 mg a day. While more of the SARM can be taken, it is not recommended for beginners.

Overall, recreational SARM use began with their potential to heavily increase lean muscle on the body. While they are sometimes taken for recovery or stamina, the core benefit of SARMs will always be the ability it has to add muscle bulk to users.

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