When it comes to achieving huge muscle gains and a lean, defined physique, SARMs have become a popular choice for bodybuilders and athletes alike. I’ve found that using the right SARM stack can make all the difference in maximizing bulking results while keeping muscle gains clean and lean.

RAD 140 (Testolone), for example, is excellent for rapid muscle growth, while LGD-4033 (Ligandrol) is perfect for increasing both mass and strength.

For those looking to maintain a leaner look, Ostarine (MK-2866) offers quality muscle gains without excessive bulk, and Ibutamoren (MK-677) boosts HGH production, helping with recovery and long-term gains.

In this guide, I’ll walk you through the best SARMs for bulking and how to combine them for optimal muscle gain. Whether you’re new to SARMs or looking to enhance your current stack, these options will take your bodybuilding to the next level.

Best Bulking SARMS Introduction

Here is a quick introduction to the best individual selective androgen receptor modulators to use in the gym when you workout for getting big.

1. RAD 140 Testolone – (legally branded as Testol 140)
2. LGD-4033 Ligandrol – (legally branded as Ligan 4033)
3. MK677 Ibutamoren – (legally branded as Ibuta 677)
4. MK2866 Ostarine – (legally branded Osta 2866

All 4 products above are available to buy legally in the United States, Canada, UK and Australia (and many other countries around the world).

For greater and quicker effect it is recommended to combine the 4 SARMS above to create a BULKING STACK.

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Most Effective SARMS for Bulking

I will now go into more detail on the 4 most beneficial legal SARMs to bulk up with muscle while training.

#1 – RAD-140 (Testolone) for Muscle Growth & Testosterone Production

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Why RAD 140 is the Best SARM for Bulking and Muscle Mass

• RAD 140 aka Testolone is considered one of the best SARMs for bulking and gaining mass. It stands out because it can mimic the effects of anabolic steroids without the side effects and risks.
• RAD 140 binds to androgen receptors in muscle tissue which causes muscle growth, strength and performance.
• Compared to other SARMs RAD 140 is very anabolic so its perfect for those looking to add serious size during a bulk.

RAD 140 Bulking Benefits

Massive Muscle Growth

RAD 140 is great for muscle hypertrophy which means big gains in lean muscle mass. Its anabolic properties are strong so users experience fast muscle growth making it a favorite for those who want to bulk up fast.

Natural Testosterone production

RAD 140 mimics the effects of testosterone by selectively binding to androgen receptors in muscle and bone tissue, stimulating anabolic activity. It also helps the body maintain higher levels of testosterone by reducing natural testosterone suppression during a cycle.

Increased Strength and Power

Along with muscle growth RAD 140 also increases strength and power output. Users can lift heavier and push themselves harder in the gym which means more intense workouts and more muscle gains.

Faster Recovery

RAD 140 improves muscle recovery so downtime between workouts is reduced. By increasing protein synthesis and reducing muscle fatigue users can train more frequently and harder and get more out of each workout.

Minimal Water Retention

Unlike many anabolic steroids RAD 140 promotes lean muscle gains without water retention. This means leaner muscle mass and easier to maintain a lean bulk.

Potential Fat Loss

While RAD 140 is for bulking, it also has the added benefit of fat loss. By increasing metabolic activity RAD 140 can help keep body fat in check during a bulk so the gains are mostly muscle.

Rad 140 Summary

RAD 140 is one of the strongest SARMs for those who want to add size, strength and mass.

Its fast muscle growth with minimal side effects makes it a favorite among bodybuilders and athletes during bulk.

Whether you want to add muscle mass or strength and recovery RAD 140 is a all round bulk with fat loss and lean muscle retention.

#2 – Ligandrol (LGD-4033) to Combat Fatigue and Increase Energy

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Ligandrol (LGD-4033) – Another Powerful SARM for Bulking

• While RAD 140 is highly effective for bulking and increasing strength, another equally potent SARM to consider is Ligandrol (LGD-4033).
• Often used in combination with RAD 140 or on its own, LGD-4033 is renowned for its exceptional ability to build muscles and strength during a bulking phase.
• Like RAD 140, Ligandrol selectively binds to androgen receptors in muscle and bone tissue, making it a highly anabolic compound that drives significant muscle growth with minimal side effects.

Benefits of Ligandrol (LGD-4033) for Bulking

Rapid Muscle Gains

Ligandrol is one of the most effective SARMs for achieving rapid increases in muscle mass. Users often report noticeable gains in lean muscle within just a few weeks of starting a cycle. This makes it an excellent choice for those looking to maximize their bulking results in a shorter amount of time.

Increased Strength and Performance

Much like RAD 140, LGD-4033 significantly boosts strength levels. This increase in strength allows users to lift heavier weights and perform more intense workouts, which translates to more muscle fiber recruitment and ultimately more growth.

Enhanced Recovery and Endurance

Ligandrol not only promotes muscle growth but also improves recovery times and endurance. By reducing muscle fatigue and enhancing recovery, users can train more frequently and with higher intensity. This is critical during bulking phases when consistent, heavy lifting is required to stimulate muscle growth.

Retains Lean Muscle During Bulking

One of the standout benefits of LGD-4033 is its ability to help users gain pure muscle mass without excessive water retention or fat gain. This makes it easier to maintain a lean, defined look even while putting on size, ensuring that the bulk is clean muscle rather than bloated weight.

Supports Bone Health

In addition to its muscle-building benefits, LGD-4033 has a positive impact on bone density. This is particularly useful for bodybuilders and athletes, as it helps support the skeletal structure under the stress of heavy lifting and rapid muscle growth.

Ligandrol (LGD-4033) Summary

When it comes to bulking, Ligandrol (LGD-4033) is an excellent complement to RAD 140 or a powerful standalone option. Its ability to deliver rapid muscle growth, increased strength, and faster recovery makes it one of the most popular SARMs for adding size.

Whether you’re stacking it with other SARMs or using it on its own, LGD-4033 offers a highly effective and targeted approach to building lean muscle tone and strength during a bulking cycle.

#3 – Ostarine (MK2866) for Increased Muscle Mass and Size

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Ostarine (MK-2866) – A SARM for Lean Muscle Gains

• After the bulking power of RAD 140 and LGD-4033, Ostarine (MK-2866) is the more versatile option that can help with bulking and lean muscle retention during cutting cycles.
• While RAD 140 and LGD-4033 are super anabolic and for rapid muscle mass gains, Ostarine is preferred for its milder yet effective way of building and maintaining lean muscle without water retention or fat gain.
• It’s perfect for those who want to add quality muscles while staying lean and defined.

Ostarine (MK-2866) Bulking Benefits

Lean Muscle Gains

Ostarine may not add size as fast as RAD 140 or LGD-4033 but it’s great for steady lean muscle growth. Users can expect high quality muscle gains without the bloated look that comes with rapid bulking. Perfect for those who want to add muscle while staying lean and aesthetic.

Preserves Muscle During Cutting

One of Ostarine’s best benefits is its ability to preserve muscle mass during calorie deficit. Unlike RAD 140 and LGD-4033 which are more for bulking, Ostarine prevents muscle breakdown during cutting, making it a versatile SARM for both bulking and cutting cycles. So the muscle you worked hard to gain will stay intact while shedding body fat.

Recovery and Muscle Wasting

Like the other SARMs mentioned, MK-2866 also helps with muscle recovery so users can train more frequently without excessive soreness. And it combats muscle wasting which is great for bodybuilders during intense training phases or when cutting calories.

Joint Healing and Bone Health

Another benefit of Ostarine is its ability to support joint health and healing. So it’s great for those who have joint pain or stiffness during heavy lifting phases. And like LGD-4033, Ostarine also promotes bone density so your skeletal system can handle the added stress from increased muscle mass and heavier lifts.

Mild Side Effects

Ostarine has minimal androgenic side effects compared to more powerful SARMs like RAD 140 and LGD-4033. So it’s a safer option for beginners or those who want to avoid the intense effects of stronger SARMs while still getting solid muscle gains and performance improvements.

Ostarine Summary

While RAD 140 and LGD-4033 are great for those who want to bulk up fast, Ostarine (MK-2866) is the more balanced option for those who want to add lean muscle without the bulk.

Its ability to preserve muscle during cutting, recovery and joint health makes it a versatile addition to any SARM stack.

Whether used standalone or with other SARMs, Ostarine gives you quality gains and overall muscle and joint health, a more refined way to get lean and muscular.

#4 – Ibutamoren (MK677) for HGH and Muscle Fullness

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Ibutamoren (MK-677) – The Growth Hormone Secretagogue for Muscle Growth and Recovery

• After the strength of RAD 140, the muscle mass of LGD 4033, and the lean muscle of Ostarine (MK-2866), Ibutamoren (MK-677) brings a new way to muscle growth.
• Unlike the other SARMs, Ibutamoren is not a SARM but a growth hormone secretagogue that increases the body’s natural production of Human Growth Hormone (HGH) and IGF-1 (Insulin-like Growth Factor 1).
• More muscle growth, recovery and even fat loss, so it’s a great addition to any bulking or cutting stack.

Ibutamoren (MK-677) for Bulking

Growth Hormone Production

One of the main benefits of Ibutamoren is that it increases HGH and IGF-1  naturally.

By increasing these hormones MK-677 boosts muscle growth, tissue repair and the overall anabolic environment in the body. So it’s a great tool for those who want to maximize muscle mass without directly influencing androgen receptors like RAD 140 or LGD-4033.

Muscle Recovery and Repair

While RAD 140 and LGD 4033 are great for muscle growth Ibutamoren takes recovery to the next level. By increasing HGH it improves recovery times, so muscles can repair faster after intense workouts. This means less downtime between sessions and you can train more often, which is key during a bulking phase.

More Muscle and Less Fat

Ibutamoren not only grows muscle but also helps with fat loss. The increased HGH and IGF-1 levels increases metabolism, burns fat and builds lean muscle. So it’s great for adding size without adding excess fat, and complements the lean gains of Ostarine.

Better Sleep and Recovery

One of the unique benefits of MK-677 is the positive effect on sleep. Since HGH is released naturally during deep sleep Ibutamoren promotes deeper, more restful sleep which is essential for muscle recovery and growth. Better sleep means better recovery, more energy and better overall performance in the gym.

Long-Term Muscle Retention

Unlike other SARMs that focus on short term muscle gains Ibutamoren helps with long term muscle retention. By continuously increasing HGH it supports sustained muscle growth and repair so gains made during a bulking cycle are retained for the long term. Plus its effect on bone density and joint health helps the body grow muscle and strength.

MK-677 Summary

While RAD 140, LGD 4033 and Ostarine directly influence androgen receptors to build muscle mass and strength Ibutamoren (MK-677) increases HGH and IGF-1.

This means not only massive muscle growth but also better recovery, fat loss and sleep.

It’s a great addition to any bulking stack, complements the SARMs and ensures both short term gains and long term muscle retention. Whether you’re bulking or cutting Ibutamoren is a must have for maximizing muscle growth, recovery and overall performance.

What Are SARMs?

Definition of Selective Androgen Receptor Modulators

SARMs, or Selective Androgen Receptor Modulators, are compounds that bind to androgen receptors in muscle and bone tissue.

By binding to these receptors SARMs stimulate muscle growth, that’s why they are popular among athletes and bodybuilders.

Considered a safer alternative to anabolic steroids, SARMs are loved for their ability to build muscle without the side effects of steroids.

How SARMs Work for Muscle and Bone Tissues

SARMs bind to androgen receptors in muscle and bone, triggering anabolic activity and protein synthesis. This leads to an increase in muscle mass, strength and endurance.

They are perfect for those who want to boost their muscle building and overall performance. SARMs are designed to give anabolic benefits with less androgenic side effects, targeting muscle and bone tissue.

SARMs for Bodybuilding – Benefits and How they are Used

Lean Muscle Development

SARMs are known for big muscle growth with minimal side effects like traditional steroids. They are the go to for those looking to build muscle mass and strength. By increasing lean muscle tissue they are perfect for bodybuilders and athletes looking for a more defined lean physique.

Muscle Mass and Strength

SARMs increase explosive muscle growth, strength and endurance making them the top choice for those looking to improve muscle gains and performance. They bind to androgen receptors and trigger anabolic processes that stimulate muscle growth and protein synthesis. They are great for bulking cycles.

Recovery and Endurance

Another benefit of SARMs is they improve recovery times and increase endurance. They are great for athletes and bodybuilders. By enhancing muscle repair and increasing stamina you can train harder and more often.

With their anabolic properties and low androgenic side effects SARMs are perfect for those looking to optimize muscle recovery and performance.

Also read: What are the best SARMS for cutting and fat burning?

How to Safely Bulk with SARMs

Risks and Side Effects

SARMs are often considered safer than anabolic steroids but they do come with risks. Before you start a SARMs bulk you need to be aware of the risks and side effects so you can make a personal choice.

Dosage and Cycle Length

Following the right dosage and cycle length is key to using SARMs safely and effectively. 8-12 weeks is the recommended cycle length followed by a 4 week break to allow your body to recover.

Start with a low dose and increase as needed and as tolerated. Stick to these guidelines and you’ll get the most out of SARMs while minimizing the side effects.

PCT After SARMs

PCT is important to preserve the muscle gains made during a SARMs cycle and to support your body’s recovery.

A proper PCT will restore natural testosterone levels and prevent muscle loss. Do PCT after you finish a SARMs cycle and your body will go back to normal hormonal balance and you’ll maintain muscle mass and prevent any side effects.

Maximizing Muscle Growth Results with SARMs

Stacking SARMs for Bulking

Combining SARMs into a bulking stack can get you results faster and gain muscle quicker. A bulking stack usually consists of a mix of SARMs, protein supplements and other performance enhancing products. To get the best results you need to choose high quality supplements and follow the recommended dosage and cycle.

Nutrition and Training for Muscle Growth

For muscle growth and recovery nutrition and training are key. A balanced diet rich in protein, carbohydrates and healthy fats provides the fuel for muscle building. Pair that with a structured workout routine focused on strength training and you will get the most out of SARMs and overall recovery.

<Find out what is the best BULKING STACK for big muscle size>

FAQ on Best SARMs for Bulking

What is the best SARM for muscle growth?
RAD 140 (Testolone) is the best for muscle growth due to its anabolic power, great for bulking.

Which SARM is for strength and muscle?
LGD-4033 (Ligandrol) is for both muscle and strength, great for bulking gains.

Can Ostarine (MK-2866) be used for bulking?
Yes, Ostarine builds lean muscle but its strength is in quality gains with minimal water retention, good for lean bulk.

How does Ibutamoren (MK-677) support bulking?
Ibutamoren increases HGH and IGF-1 levels, muscle growth, recovery and fat loss, great addition to any bulking stack.

Can RAD 140 and LGD-4033 be stacked together?
Yes, stacking RAD 140 and LGD-4033 will give you big muscle mass and strength gains.

Is Ibutamoren (MK-677) a SARM?
No, Ibutamoren is not a SARM but a growth hormone secretagogue that increases HGH levels, for muscle growth and recovery.

What’s different about Ostarine (MK-2866) compared to RAD 140 and LGD-4033?
Ostarine is milder and more for lean muscle retention, great for those who want to add muscle without bulk or water retention.

Does Ibutamoren help with recovery?
Yes, Ibutamoren helps with recovery by improving sleep quality and increasing HGH production for muscle repair.

Can SARMs like RAD 140 help with fat loss while bulking?
Yes, SARMs like RAD 140 will help you stay lean during bulking by building muscle without fat gain.

What are the best SARMs for Bulking to use in a stack?
a combination of RAD140, LGD4033, MK677 and MK2866 will produce fast lean muscle growth and also help with energy and recovery.