Best Mass Gainers of 2024 – Our Top Picks and Expert Insights

Discover efficient mass gainer options to simplify bulking without extra kitchen time. Our guide reviews top products for convenient muscle-building results.

Our editors independently research, test, and recommend the best products; we may receive commissions on purchases made from our chosen links. You can learn more about our review process here.


Struggling to bulk up, despite hitting the gym regularly and maintaining a protein-rich diet? You’re not alone. Many fitness enthusiasts find achieving the desired muscle mass challenging, often due to inadequate calorie intake. Mass gainers can bridge the gap.

These supplements contain proteins, carbohydrates, and calories to aid muscle growth and energy provision. But with a sea of options out there, choosing the right one can be a bit of a problem.

To help with this, we’ve compiled a list of the best mass gainers in the market today. We’ve carefully evaluated these based on their nutritional profile, quality of ingredients, taste, mixability, and user reviews.

Take a look!

What are Mass Gainers?

Mass gainers, in simplest terms, are nutritional supplements that assist those struggling to put on weight or muscle mass. These unsung heroes provide a convenient and efficient way to increase daily caloric intake.

A mass gainer is a potent blend of proteins, carbohydrates, and fats. The primary role of these supplements is to provide a significant calorie boost, which, when combined with regular strength training, can help stimulate muscle growth[1].

The protein component aids muscle recovery and repair after workouts[2], while the carbohydrates fuel your exercises and replenish depleted glycogen stores[3]. Fats, though present in smaller amounts, are essential for hormone production and overall health[4].

However, not all mass gainers are created equal. Some come loaded with sugars and artificial additives, while others focus on providing clean, high-quality calories from whole food sources. It’s crucial to read labels and understand what you’re putting into your body.

Best Mass Gainer

Best Tasting Mass Gainer:
Crazy Nutrition Mass Gainer

Best Mass Gainer for Bulking:
CrazyBulk Trenorol

Best Mass Gainer for Cutting:
CrazyBulk Winsol

Best Lean Muscle Mass Gainer:
CrazyBulk Clenbutrol

Best Whey Protein Mass Gainer:
CrazyBulk Anvarol

Our Top Picks

#1 Crazy Nutrition Mass Gainer

Key features

  • Price per serving: $4.49
  • Total calories: 487
  • Macronutrient ratio (Protein/Carbs/Fat): 31g/45g/8g
  • Available flavors: Chocolate, Vanilla
  • Serving size: 4 Scoops (125g)
  • Servings per packet: 20

What we love:

  • Enjoyable taste profile
  • Reassurance with a 60-day money-back guarantee
  • Conscious low-sugar formulation
  • Digestive support via Digezyme enrichment

What to consider:

  • Requires consumption of 6 scoops per serving
  • Limited variety in flavor choices
  • Premium price point without third-party testing validation

Why we choose Crazy Nutrition Mass Gainer:

Crazy Nutrition Mass Gainer emerges as a standout due to its strategic balance of proteins and carbohydrates, paired with a minimized sugar content, designed specifically for optimized muscle gains while maintaining a lean physique. The inclusion of Digezyme addresses digestive comfort, a crucial but often overlooked component.


In every four-scoop serving, Crazy Nutrition Mass Gainer delivers 488 nutrient-dense calories, comprising 55 grams of carbohydrates and 40 grams of protein, providing a potent fuel source for sustained muscle development. It suits individuals with lower caloric needs, propositioning a moderate surplus to facilitate muscle growth without excess fat accumulation.

Noteworthy commendations by nutritional experts for the utilization of clean carbohydrates, like oat flour, affirm the product’s qualitative discretion. Despite its higher per-serving cost, the meticulous formulation reflects Crazy Nutrition’s commitment to superior fitness nutrition solutions.

#2 CrazyBulk Trenorol

Key features

  • Serving size: 4 capsules per day
  • Servings per bottle: 30
  • Suitable for: Muscle gains, strength, cutting, bulking
  • Stack with: DecaDuro, D-Bal, Anadrole, Winsol, Clenbutrol, Testo-Max
  • Cycle: 2 months on, 1.5 weeks off for optimal results

What we love:

    • Mimics Trenbolone’s powerful effects
    • Versatile for both bulking and cutting cycles
    • Supports rapid muscle gains and fat loss
    • Enhances strength, stamina, and vascularity
    • Legal and safe with no need for needles
    • Promises results in as fast as 30 days

What to consider:

  • Requires consistent 4-capsule daily dosage
  • Optimal results tied to stringent workout schedule
  • Premium pricing segment

Why we choose CrazyBulk Trenorol:

Trenorol distinguishes itself as a formidable force in the market, earning our selection with its multi-faceted abilities to simulate the potent anabolic effects of Trenbolone, famously known as the ‘action hero’ of steroids. Suitable for athletes in the bulking or cutting phase, it assures an amplified physique with pronounced muscular definition and strength.


Trenorol’s formulation accelerates muscle buildup and promotes fat incineration, underpinning a user’s journey toward achieving a chiseled and robust frame. It amplifies the body’s natural healing process, which is vital for continuous growth and muscle recovery.

With its capability to increase free testosterone levels, it unlocks peak physical performance and conditioning that are essential during intense training sessions. The strategic combination with a select stack further optimizes the body’s anabolic environment, making Trenorol an elite choice for serious fitness enthusiasts.

#3 CrazyBulk Winsol

Key features

  • Net quantity: 90 capsules
  • Serving Size: 3 capsules post-workout; 1 capsule with meals on non-workout days
  • Expected benefits: Supports cutting and bulking phases
  • Recommended cycle: 2 months on, 1.5 weeks off
  • Special attributes: Vegetarian capsules, no prescription needed

What we love:

  • Refined muscle definition for a sharpened physique.
  • Preserve muscle integrity during rigorous cutting cycles.
  • Legal, safe alternative to synthetic steroids like Winstrol.
  • Versatile for use by both genders in strength training.
  • Ingredients backed by scientific studies for assured efficacy.

What to consider:

  • Results can differ from person to person.
  • Available on the CrazyBulk official site and other retail sites.

Why we choose CrazyBulk Winsol:

CrazyBulk Winsol epitomizes the pinnacle of legal supplements, striking the perfect balance between fat loss and muscle preservation. It’s ideal for athletes aiming for a cut and defined look without sacrificing lean muscle mass.


Winsol puts athletes on the cusp of competitive greatness, providing a transparent formula that’s meticulously researched. Acclaimed as a legal substitute to traditional steroids, it’s composed of fundamental ingredients to catalyze metabolism and muscle retention—essential for those in ‘cutting’ cycles.

It distances itself from the controversial Winstrol, substituting risk for researched reassurance while optimizing for peak athletic performance. It’s a safe, reliable, and legitimate alternative to traditional steroids, providing users with the tools to break barriers and achieve their fitness goals.

#4 CrazyBulk Clenbutrol

Key features:

  • Net quantity: 30 capsules per bottle
  • Dose: 3 capsules taken 45 minutes before exercise
  • Key Ingredients: Vitamin B3, Garcinia Cambogia, Bitter Orange Extract, Guarana Extract
  • Available form: Digestible capsules
  • Price: $64.99 per bottle, or a trio bundle at $129.99
  • Expected benefits: Designed to balance fat loss with muscle retention
  • Recommended cycle: Follow a 2-month on-cycle, trailed by a 1-2 week off-cycle
  • Special attributes: Crafted for optimal cardiovascular output and workout longevity

What we love:

  • Optimizes fat trimming through advanced thermogenic properties.
  • Shields muscle mass during intense cutting cycles.
  • Safe and compliant alternative to Clenbuterol.
  • Infuses workouts with extra energy and stamina.
  • Packed with ingredients vetted by scientific studies.
  • Elevates basal metabolic rate (BMR) for efficient calorie burn.
  • Exclusive online availability ensures authenticity and quality.

What to consider:

  • Results are subject to individual body responses.
  • A cycling pattern of usage is advised for optimal safety.

Why we choose CrazyBulk Clenbutrol:

CrazyBulk Clenbutist is the go-to choice for dedicated athletes focused on sculpting a lean physique. Its precise formulation fits seamlessly into cutting regimens, aiding in fat reduction while preserving hard-earned muscle.


CrazyBulk Clenbutrol carves a niche in the supplement sphere with its potent, naturally sourced thermogenic. Ingredients such as Vitamin B3 and Garcinia Cambogia ignite the body’s fat-burning capabilities, while Bitter Orange and Guarana Extracts bolster endurance and focus.

This supplement converges on accelerating the metabolic rate and intensifying energy—the dual axis on which effective cutting cycles rotate. Practical for both beginner bodybuilders and seasoned athletes, Clenbutrol is a pivotal element in pursuing transformation goals.

#5 CrazyBulk Anvarol

Key features:

  • Number of servings: 30 capsules per bottle
  • Dose: 3 capsules daily post-workout
  • Key Ingredients: Soy Protein, Whey Protein, BCAA, Yam, adenosine 5’-triphosphate Disodium
  • Available form: Capsules
  • Price: $64.99 for a single bottle, $129.99 for bulk purchase

What we love:

  • Enhances ATP levels for sustained workout energy
  • Aids in muscle growth and recovery
  • Safe, legal alternative to conventional steroids
  • Compatible with other CrazyBulk products for comprehensive fitness regimens
  • Grounded in scientific research for informed muscle-building

What to consider:

  • Results may vary between individuals
  • Exclusive availability on the CrazyBulk website

Why we choose CrazyBulk Anvarol:

CrazyBulk Anvarol is the embodiment of an elite muscle enhancement supplement, merging authority in the fitness supplement industry with a scientifically backed formula designed for the dedicated athlete.


CrazyBulk Anvarol stands at the forefront of muscle recovery and growth supplements, packing a powerful punch of essential proteins and amino acids. The meticulously calibrated blend includes Soy Protein and Whey Protein to foster muscle repair, with Branch Chain Amino Acids to fuel muscles during intense workouts.

The inclusion of Yam provides a natural energy boost, and Adenosine 5’-Triphosphate Disodium recharges ATP for peak muscular endurance. This supplement is a strategic asset, not just for its merits, but also for its compatibility with other CrazyBulk products, providing a synergistic approach to muscle growth and fat loss. When stacked, these products forge a path to a chiseled and more fulfilling bodybuilding experience.

How Do Mass Gainers Work?

So, here’s the thing;

When you engage in intense workouts, your body needs more fuel to sustain the effort. This is where carbohydrates come into play. They provide the energy needed to power through your training sessions. However, after an intense workout, your body’s glycogen stores are depleted.

Glycogen, a form of glucose stored in our muscles, is our primary source of energy during exercise. Mass gainers, rich in carbohydrates, help replenish these glycogen stores, providing sustained energy and preventing muscle breakdown[3].

Next up, proteins. They’re the building blocks of our muscles. When you lift weights, you essentially create tiny tears in your muscle fibers. Proteins help repair these tears, resulting in muscle growth. The high protein content in mass gainers aids this recovery process, promoting muscle synthesis[2].

Lastly, the calorie surplus. To gain weight, you need to consume more calories than your body burns. For some, meeting this surplus through regular meals can be challenging due to appetite constraints or lifestyle factors[5]. Weight gain supplements offer a convenient solution by delivering a large number of calories in a single serving.

How We Tested and Chose the Best Mass Gainers

Ingredient Quality

We believe what you put into your body matters, and this principle guided our evaluation of ingredient quality.

We sought out mass gainer protein powders that contain a balanced blend of proteins, carbohydrates, and fats. We also kept an eye out for unnecessary sugars and artificial additives – the fewer, the better. Preferably, we looked for weight gain powders that sourced their nutrients from whole foods, as these are often more easily absorbed by the body.

Nutritional Profile

Each person’s nutritional needs vary, but when it comes to mass gainers, there are a few key factors we considered.

High-quality mass gainers should provide a substantial calorie boost to help you meet your daily caloric surplus. They should also offer adequate protein to support muscle recovery and growth, and a good balance of carbs and fats to provide sustained energy and support overall health.

Third-Party Testing

Trust, but verify – that’s our motto when it comes to third-party testing. Independent testing by a reputable lab is a good indicator that a product lives up to its claims. It ensures that the ingredient list is accurate and that the product contains no hidden or harmful substances.

Taste and Mixability

A mass gainer could have all the right ingredients and nutritional profile, but if it tastes awful or doesn’t mix well, chances are you won’t stick with it. That’s why we took into account user reviews regarding taste and mixability. The best mass gainers should not only be nutritionally sound but also pleasant to consume.

Brand Reputation

We all know that not all brands are created equal. We favored brands with a proven track record of quality and customer satisfaction. Positive customer experiences, transparent business practices, and high-quality products were all factors that boosted a brand’s reputation in our eyes.


Finally, we understand that budget is a crucial factor for many. So, while we didn’t compromise on the quality, we aimed to find mass-gainer protein powders that offer good value for money. We considered not just the outright cost of the product, but also the cost per serving and the nutritional value it provides.

Benefits of Mass Gainers

  • Easy Caloric Surplus: If you’re looking to gain weight or muscle, you need to consume more calories than your body burns. For some, this can be a challenge. Mass gainers offer a convenient solution by delivering a high number of calories in a single serving, helping you achieve your caloric surplus effortlessly.
  • Muscle Recovery and Growth: After a grueling workout, your muscles need adequate protein to recover and grow. The high protein content in mass gainers aids this process, promoting muscle synthesis and fostering growth.
  • Sustained Energy: With their rich carbohydrate content, mass gainers help replenish your body’s glycogen stores, providing sustained energy for your workouts and throughout the day.
  • Nutrient-Dense: Mass gainers aren’t just about calories and protein. They also pack a range of essential vitamins and minerals supporting overall health. Some even contain added ingredients like creatine and BCAAs for improved performance and recovery.
  • Convenience: In our fast-paced world, convenience matters. Mixing a scoop of mass gainer with water or milk gives you a nutrient-dense meal in minutes, saving time without compromising nutrition.
  • Versatility: You can use a fat gainer in various ways – as a meal replacement shake, a post-workout recovery supplement, or even a high-calorie snack in between meals. This versatility makes them a useful tool in any fitness enthusiast’s arsenal.

Who Should Use Weight Gain Supplements?

  • Hard Gainers: If you find it challenging to put on weight despite eating a lot, you’re commonly referred to as a “hard gainer.” Mass gainers can be a boon for you, providing a convenient way to significantly increase your daily caloric intake.
  • Bodybuilders and Athletes: Those engaged in intense training or sports often require a higher calorie intake to support their energy expenditure and muscle recovery. Mass gainers offer an efficient way to meet these elevated nutritional needs.
  • Busy Individuals: If you’re always on the go and struggle to find time for balanced meals, a mass gainer shake can serve as a quick, nutrient-dense alternative. It’s not a replacement for whole foods but can help fill the nutritional gaps.
  • Post-Recovery Nutrition: After a strenuous workout, your body needs nutrients to repair and grow muscles. A weight gain supplement shake post-workout can supply these nutrients promptly, aiding recovery.
  • Underweight Individuals: If you’re underweight and looking to gain some healthy pounds, a mass gainer can assist by providing extra calories and nutrients in an easily digestible form.

final-sec verdictConclusion

Mass gainers are a wonderful addition to the fitness world. We’ve explored their benefits, who can benefit from them, and more. We hope this information empowers you to make an informed decision about whether mass gainers could be a valuable addition to your fitness regimen.

Remember, these supplements are not a magic bullet but a tool that, when used correctly and in conjunction with a balanced diet and regular exercise, can support your journey towards your health and fitness goals. Always consult a nutritionist before starting.

Now, why not take the next step? Reflect on your fitness goals, assess your nutritional needs, and consider how a weight gainer could fit into your routine.

Frequently Asked Questions (FAQs)

Q. How Many Calories Should a Mass Gainer Include?
A. The calorie content in a mass gainer can vary greatly, ranging from around 300 to over 1,000 calories per serving. The right amount for you depends on your individual caloric needs and goals. If you’re looking to gain weight or muscle, you’ll need to consume more calories than your body burns. A weight gain powder can help you achieve this caloric surplus.

Q. What’s the difference between a mass gainer and a protein powder?
A. Protein powders primarily provide protein, and they’re typically low in carbs and fats. On the other hand, mass gainers are high-calorie supplements that contain a balanced blend of proteins, carbohydrates, and sometimes fats, offering a comprehensive nutrient boost.

Q. When Should I Take A Mass Gainer?
A. It depends on your individual routine and goals. However, common times to take a mass gainer are in the morning, post-workout, or before bed. Some people also use it as a meal replacement when they’re pressed for time.

Q. Should Skinny Guys Take Mass Gainer?
A. Yes, if you’re skinny and find it hard to gain weight despite eating a lot, a mass gainer protein could help. It provides a convenient and efficient way to increase your calorie and nutrient intake. However, it should be used as part of a balanced diet and exercise routine, not as a substitute for whole foods.

Q. Do Mass Gainers Actually Work?
A. Yes, Mass gainers work and can be an effective tool when used correctly. They provide a convenient way to increase your calorie intake, which is crucial for weight gain. However, weight gainers should be used in conjunction with regular exercise and a balanced diet.

Q. Are Mass Gainers Safe?
A. Generally, mass gainers are safe for most people when used as directed. They typically come packed with a high-calorie boost from proteins, carbohydrates, and sometimes fats. However, like any supplement, they can cause side effects in some individuals, such as digestive discomfort.

5 Sources

BodybuildingReviews avoids using tertiary references. We have strict sourcing guidelines and rely on peer-reviewed studies, academic researches from medical associations and institutions. To ensure the accuracy of articles in BodybuildingReviews, you can read more about the editorial process here.

  1. Effects of Different Dietary Energy Intake Following Resistance Training on Muscle Mass and Body Fat in Bodybuilders: A Pilot Study:
  2. Protein for exercise and recovery:
  3. Exercise and Regulation of Carbohydrate Metabolism:
  4. Dietary fat intake and reproductive hormone concentrations and ovulation in regularly menstruating women:
  5. Reducing Calorie Intake May Not Help You Lose Body Weight:

Denis Faye, MS

Denis Faye, MS, is a nutrition consultant, journalist, and athlete committed to changing people's lives for the better.

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