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Last updated on July 21st, 2021 at 09:42 am

SARMs, or selective androgen receptor modulators, are not commonly explicitly used for cardio, but their effects can serve to benefit cardio-style workouts. Many SARMs can increase an individual’s stamina and endurance. This can help prolong cardio activities and can allow them to be more intense than normal. While many SARMs will provide benefits to cardio workouts, some have been noted as being exceptionally useful in this area.


One of the most powerful selective androgen receptor modulators available, Ligandrol, also known as LGD-4033, has been known to provide a boost of endurance in some individuals. While it is commonly used as a bulking supplement, it was originally developed to treat individuals with wasting musculoskeletal disorders. Ligandrol is the best sarm for cardio.

History: Ligand Pharmaceuticals initially created Ligandrol, but since then, Viking Therapeutics has taken over its research rights. They are currently studying the SARM for possible use in the treatment of breast cancers and prostate cancers.

Benefits: The main benefit of Ligandrol is the increase in lean muscle mass it provides, as well as the increased fat burn. It has also been noted to increase an individual’s stamina and endurance, allowing for longer, more sustained cardio workouts.

Side Effects: While no severe complications have yet been discovered, consuming Ligandrol does come with a risk of mild side effects. These side effects can include muscle cramps, increased aggression, nausea, lethargy, and headaches.

Recommended Dosage: The standard dose of Ligandrol for use in boosting cardio performance is 20 mg a day for up to 12 weeks. However, if an individual has never taken the SARM before, it is advised to start with a lower dose of 5 to 10 mg a day for up to 6 weeks. That way, the body can acclimate to the effects of the supplement.

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Often sold as a SARM, Ibutamoren, also known as MK-677, was initially developed to treat individuals with growth hormone deficiency. Its capacity to stimulate the human growth hormone in the body is favored by many in the bodybuilding and workout community to increase muscle mass.

History: Originally developed by the multinational pharmaceutical company Merck & Co, Ibutamoren is currently being researched by Lumos Pharma as a possible treatment for pediatric growth hormone deficiencies.

Benefits: Ibutamoren works by increasing the human growth hormone this, in turn, aids in the increase of muscle mass and enhanced recovery after exercise. It has also been noted to help increase running times for cardio and running enthusiasts.

Side Effects: Studies of Ibutamoren’s long-term use have shown it to be relatively safe for consumption, with only mild side effects reported. These side effects include swelling due to water retention, tingling in the fingers, increased appetite, intense dreams, and fatigue.

Recommended Dosage: The average dose of Ibutamoren is 25 mg taken daily, but it can range from 10 mg a day up to 50 mg a day. It is generally recommended to begin with the lowest dose and work up from there.

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Ostarine, also known as Enobosarm, is a selective androgen receptor modulator that was developed originally for its potential to treat wasting musculoskeletal disorders. It is one of the most popular SARMs on the market.

History: Ostarine was created by GTx, a pharmaceutical company and a combination of scientists from both Ohio State University and the University of Tenessee. The SARM was put through many clinical trials but could not produce the needed results to pass phase III trials.

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Benefits: The SARM can help to increase muscle growth and boost stamina. The stamina boost has been noted by increased repetitions of cardio workouts and less energy loss afterward.

Side Effects: Taking Ostarine over an extended period of time has the potential to lead to decreased testosterone creation in the body. It can also raise the risk of stroke, heart attacks, and liver toxicity. Mild side effects have also been reported, including fever, nausea, gastrointestinal upset, increased heart rate, and insomnia.

Recommended Dosage: This SARM is dose dependant, which means an individual will get better results the higher their dose. But they will also have increased symptoms. The recommended dosage of Ostarine for cardio is between one mg to 20 mg a day. The most common dose is 12 mg taken daily for a boost in cardio performances.

Overall, most SARMs will provide some measure of benefit to cardio-style workouts. The ones listed above have been noted as providing the most benefit to the individual.

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