Selective Androgen Receptor Modulators, or SARMs, have become one of the most talked-about topics in the fitness and bodybuilding community. These compounds are designed to mimic the muscle-building and fat-burning effects of anabolic steroids but with fewer side effects. SARMs bind selectively to androgen receptors in muscle and bone tissue, promoting growth and strength without causing excessive hormonal imbalances. Over the years, several SARMs have emerged as the most effective for bulking, cutting, and overall performance enhancement. Understanding the best sarms helps athletes and fitness enthusiasts choose the right one for their fitness goals while maintaining safety and efficiency.
What Makes a SARM the Best
The best SARMs are those that offer maximum muscle growth, fat loss, and recovery benefits while minimizing potential side effects. A good SARM should be highly selective in targeting muscle tissue, have minimal androgenic effects, and produce noticeable results in a relatively short period. It should also be supported by research studies showing its effectiveness and safety. Some SARMs are better suited for bulking, others for cutting or recomposition, and some excel in enhancing endurance and recovery.
Top SARMs for Muscle Growth and Performance
There are many SARMs available, but only a few stand out for their effectiveness, reliability, and versatility. Below are the best SARMs commonly used by athletes and fitness professionals around the world.
RAD-140 (Testolone)
RAD-140, also known as Testolone, is often regarded as one of the most powerful and effective SARMs available today. It was originally developed to treat muscle wasting and age-related degeneration but quickly gained popularity among bodybuilders due to its potent anabolic effects. RAD-140 promotes significant muscle growth, increased strength, and improved recovery, making it ideal for bulking cycles.
One of the biggest advantages of RAD-140 is that it mimics the effects of testosterone without converting to estrogen. This means users experience impressive gains without bloating or water retention. Additionally, RAD-140 enhances endurance and energy levels, allowing athletes to train harder and longer. Typical cycles last 6–8 weeks, with doses ranging from 10 to 30 mg per day.
LGD-4033 (Ligandrol)
LGD-4033, also known as Ligandrol, is another top-tier SARM that excels in building lean muscle mass and increasing strength. It is one of the most researched SARMs and has been shown in clinical studies to significantly increase muscle size even at low doses. Ligandrol is particularly popular during bulking phases due to its ability to promote high-quality muscle gains with minimal fat accumulation.
Users of LGD-4033 often report noticeable improvements in strength, endurance, and muscle fullness within just a few weeks. It has a mild impact on testosterone suppression compared to stronger compounds, making it more suitable for beginners. A standard cycle lasts 8 weeks with a daily dosage of 5–10 mg.
MK-2866 (Ostarine)
Ostarine, or MK-2866, is one of the most well-known and widely used SARMs because of its versatility and mild nature. It was originally developed for treating muscle wasting in patients with cancer or osteoporosis, but it is now used for fitness purposes due to its ability to promote lean muscle growth and fat loss.
Ostarine is perfect for both beginners and experienced users. It provides steady, lean muscle gains without excessive water retention or harsh side effects. Ostarine is also effective during cutting cycles because it helps preserve muscle mass while reducing body fat. It enhances recovery and joint health, which makes it suitable for athletes involved in intense physical training. Typical doses range from 10 to 25 mg per day for 6–8 weeks.
S-4 (Andarine)
Andarine, or S-4, is a powerful SARM often used for cutting and recomposition. It helps reduce body fat while maintaining lean muscle mass, making it ideal for those aiming to achieve a shredded, vascular look. Andarine increases strength and endurance, allowing users to perform at higher levels during workouts.
Unlike other SARMs, Andarine provides a distinct muscle-hardening effect, which enhances overall definition and muscle tone. However, users should be cautious, as high doses of Andarine can cause temporary vision changes such as yellow tint or light sensitivity. Most cycles last around 6–8 weeks, with doses of 25–50 mg per day.
YK11
YK11 is a unique SARM because it acts not only as an androgen receptor modulator but also as a myostatin inhibitor. Myostatin is a protein that limits muscle growth; by inhibiting it, YK11 allows for rapid and significant muscle development beyond normal genetic limits.
This makes YK11 one of the strongest SARMs available for serious bodybuilders seeking maximum muscle growth. It also enhances muscle density and strength while reducing recovery time between workouts. However, YK11 is quite potent and should be used with caution, as it can suppress natural testosterone production. Most users take 5–10 mg per day for 6 weeks.
MK-677 (Ibutamoren)
Although not technically a SARM, MK-677 (Ibutamoren) is often grouped with them due to its synergistic effects. MK-677 is a growth hormone secretagogue, meaning it stimulates the natural release of human growth hormone (HGH) and insulin-like growth factor (IGF-1). This leads to improved muscle recovery, fat loss, and better sleep.
MK-677 is ideal for long-term use because it helps build lean muscle, strengthens bones, and improves skin elasticity. It is commonly stacked with other SARMs like Ostarine or RAD-140 to enhance results. The recommended dosage is 10–25 mg per day.
SR9009 (Stenabolic)
SR9009, also known as Stenabolic, is another non-SARM compound often included in SARM stacks. It works by activating the Rev-ErbA protein, which regulates metabolism and energy production. SR9009 increases endurance, boosts fat metabolism, and improves cardiovascular performance.
Athletes often use SR9009 for cutting or endurance training, as it enhances stamina without affecting muscle mass. It is typically dosed at 20–30 mg per day for 8 weeks.
Best SARMs for Bulking
For those looking to add size and strength quickly, the best SARMs for bulking are RAD-140, LGD-4033, and YK11. These compounds provide substantial muscle growth and power gains without excessive fat accumulation. RAD-140 and LGD-4033 are ideal for beginners, while YK11 is better suited for advanced users aiming for extreme results.
Best SARMs for Cutting
When the goal is to burn fat and achieve a lean physique, Ostarine (MK-2866), Andarine (S-4), and Cardarine (GW-501516) are the top choices. These compounds help preserve muscle tissue while accelerating fat loss and improving vascularity. They are especially effective when combined with a calorie deficit and regular cardio.
Best SARMs for Recomposition
Recomposition, or building muscle while losing fat, requires a balanced approach. Ostarine and RAD-140 are excellent for recomposition cycles. They allow users to gain lean muscle mass while shedding excess fat, leading to a more defined and athletic body shape.
Safety and Post-Cycle Therapy
Even though SARMs are considered safer than anabolic steroids, they can still suppress natural testosterone production. To avoid hormonal imbalance, users should follow a proper post-cycle therapy (PCT) after completing a cycle. PCT helps restore natural testosterone levels and prevent muscle loss. Supplements like Nolvadex or Clomid are commonly used during this phase.
It is also important to use only high-quality SARMs from reputable sources to ensure purity and effectiveness. Regular blood tests can help monitor hormone levels and liver function throughout the cycle.
Conclusion
SARMs have revolutionized the fitness and bodybuilding world by offering powerful results with fewer side effects than traditional steroids. Among the best SARMs, RAD-140, LGD-4033, and Ostarine stand out for their versatility, safety, and effectiveness. Whether your goal is bulking, cutting, or recomposition, there is a suitable SARM that can help you achieve your desired physique.