Top 10 mass gainer brands in world: High quality and extremely gourmet
Top 10 mass gainer brands in world: High quality and extremely gourmet
Mass gainer is one of the most effective solutions for quick weight gain, especially for skinny individuals who regularly go to the gym, play sports, or do heavy physical work. This group needs a large amount of calories and protein to improve their weight and increase muscle mass. Thanks to their high nutritional value, rich calorie content, and abundant protein, mass gainers help users gain weight in a short period of time. Below are the top 10 mass gainer brands in the world, offering high-quality products with excellent flavors, trusted by hundreds of millions of customers worldwide.
Top 10 mass gainer brands in world
Optimum Nutrition
Optimum Nutrition is one of the most famous sports nutrition brands in the world. Founded in the United States in 1986, the brand manufactures products that support training performance such as whey protein, creatine, pre-workout, single-ingredient supplements, and of course, mass gainers. After 40 years of development, Optimum Nutrition continues to accompany billions of consumers worldwide with the mission of enhancing physique, improving health, and promoting a healthier lifestyle.
Optimum Nutrition’s standout mass gainer product is Serious Mass. Its formula is rich in protein and carbohydrates, and it also provides 25 vitamins and minerals to optimize nutrient absorption. Serious Mass is one of the best-selling weight-gain supplements at WheyStore.

Serious Mass is one of the best mas gainer from Optinum Nutrition
Some key information about Serious Mass:
- Calories: 1250
- Protein: 50g
- Carbohydrates: 250g
- Fat: 4g
Key advantages:
- High in calories, supporting rapid weight gain
- Fast-absorbing carbohydrates Maltodextrin for immediate energy release
- Contains added creatine to support muscle growth
Rule 1
Rule 1 is a well-known bodybuilding nutrition brand the United States. It shares the same founders as Optimum Nutrition and was launched nearly three decades after ON.
All of its products—including mass gainers, whey protein, amino acids, and more—are formulated with carefully tested ingredients, manufactured under GMP standards, and contain no banned substances. Rule 1 products are produced in a modern facility in Aurora, Illinois, spanning over 250,000 square feet. The company uses state-of-the-art measuring, blending, manufacturing, distribution, and packaging systems.
Rule 1 Mass Gainer is the brand’s best-selling mass gainer. Its high-quality ingredients help users gain weight quickly in a short period of time. Additionally, it features a 5:1 carbohydrate-to-protein ratio, which supports rapid weight gain, lean muscle growth, and minimizes fat accumulation.

Rule 1 Mass Gainer is the best seller of Rule 1
Some key information about Rule 1 Mass Gainer:
- Calories: 1230
- Protein: 40g
- Carbohydrates: 252g
- Fat: 8g
Key advantages:
- Effective weight gain combined with muscle growth thanks to high protein and amino acid content
- Added L-Glutamine to reduce muscle soreness
- Added creatine to support muscle building
Mutant
Mutant is one of the most famous and influential bodybuilding nutrition brands Canada, well-known in many countries around the world, including Vietnam. Mutant offers hundreds of muscle-building supplements such as Whey Protein, Mass Gainer, Pre-Workout, BCAA, and more. The brand is favored by many bodybuilders worldwide. Mutant has top-quality products made with the best ingredients in the world and manufactured in their federally licensed facility.
In addition, Mutant’s products are also well known for their delicious flavors. A common feature of their supplements is the wide variety of flavor options, giving users plenty of choices.
The most popular mass gainers Mutant are Mutant Mass and Mutant Mass Extreme 2500. These products provide extremely high calories while supporting muscle growth with a premium whey protein blend.

Mutant Mass is the best seller of Mutant
Some key information about Mutant Mass:
- Calories: 1100
- Protein: 56g
- Carbohydrates: 192g
- Fat: 6g
Key advantages:
- Exceptionally high protein content stimulates muscle development
- Slow-digesting carbohydrates sweet potatoes, oats, corn, and barley help control blood sugar and limit fat gain
- High calcium content to support bone and joint health
Labrada
Labrada is an American sports nutrition brand founded in 1995 by professional bodybuilder Lee Labrada. The brand is well-known for its high-quality nutritional supplements such as whey protein, mass gainers, meal replacements, and vitamins, all designed to support gym-goers and athletes.
Labrada’s products are developed in state-of-the-art laboratories by highly qualified scientific experts. Therefore, every Labrada formula is precisely measured down to the gram, delivering real effectiveness for users. The brand’s products are GMP-certified, demonstrating that both the manufacturing facilities and production processes meet strict standards.
Labrada’s most famous mass gainer is Muscle Mass Gainer. This product offers high nutritional content, rich in calories and protein, and helps stimulate appetite.

Muscle Mass Gainer from Labrada Nutrition
Some key information about Muscle Mass Gainer:
- Calories: 1265
- Protein: 52g
- Carbohydrates: 254g
- Fat: 3g
Key advantages:
- Its calorie content is equivalent to three full meals.
- The protein comes high-quality sources: Cross Flow Ultra-Micro Filtered Whey Protein Concentrate, Whey Protein Isolate, and Calcium Caseinate.
- It contains a high level of amino acids, supporting effective muscle growth.
- Rich in fiber to support digestion.
Elite Labs
If you are looking for a healthy and effective mass gainer, you can't overlook Elite Labs — a renowned American sports nutrition brand with over 20 years of experience in researching and producing products for gym-goers and athletes.
The brand focuses on developing scientifically based bodybuilding formulas with transparent ingredients and no banned substances. Elite Labs products meet quality standards such as cGMP, EU, HACCP, and NHP, ensuring safety and effectiveness.
Experiencing Mass Muscle Gainer firsthand will help you better understand the exceptional quality of Elite Labs products. This is the brand’s most popular mass gainer, with hundreds of millions of servings consumed each year. It is also widely used during bulking phases by professional bodybuilders.

Mass Muscle Gainer is high quality mass gainer from Elite Labs
Some key information about Mass Muscle Gainer:
- Calories: 950
- Protein: 60g
- Carbohydrates: 175g
Key advantages:
- High protein content, rich in amino acids, helps muscles recover and grow quickly.
- Enhanced with 5g of creatine per serving.
- Improves nutrient digestion with added lactase enzymes, reducing bloating and digestive discomfort.
Dymatize
Dymatize is a long-established and well-known brand in the supplement industry, founded in 1994. With a mission to provide premium nutrition for professional athletes, Dymatize quickly established its position in the market and became one of the most trusted brands worldwide.
Moreover, Dymatize is the sports nutrition brand chosen by Chip Smith Performance Systems — a premier training facility for the world’s most elite athletes.
Every Dymatize product is meticulously invested in, manufacturing equipment and raw materials to production processes. It is no coincidence that the brand consistently ranks among the top producers of the highest-quality supplements in the world. Dymatize has a highly specialized research team led by Dr. Rob Wildman, Chief Science Officer of Post Holdings.
Super Mass Gainer is Dymatize’s most famous mass gainer. It is one of the few mass gainers that utilizes the exclusive Zytrix™ technology to stimulate digestion and enhance nutrient absorption. Super Mass Gainer is the perfect choice for individuals who are underweight and want to gain weight effectively and safely.

Dymatize is one of the top 10 masa gainer brands in world
Some key information about Super Mass Gainer:
- Calories: 1280
- Protein: 52g
- Carbohydrates: 245g
Key advantages:
- A protein source rich in glutamine that supports weight gain and accelerates muscle recovery and growth.
- Fast-absorbing carbohydrates.
- A protein blend of whey and casein to promote rapid muscle development.
- Enriched with 14 vitamins and minerals.
Nutrex Research
Nutrex Research is a leading American sports nutrition supplement brand, well-known for its high-quality products. Founded in 2002, the company has experienced strong growth over the past two decades. Nutrex focuses on creating innovative supplements, especially fat burners and pre-workouts such as Lipo-6 and Outlift, and is now available in more than 100 countries.
All Nutrex Research products undergo strict testing to ensure they contain no banned or harmful substances, meeting the needs of both professional athletes and fitness enthusiasts.
One notable weight-gain mass product Nutrex Research is Mass Infusion. With just one serving, you receive a calorie intake equivalent to two full meals. Additionally, the balanced nutrition profile in Mass Infusion helps the body absorb nutrients more effectively, promoting more comprehensive weight gain. Regular use of the product can help you improve your weight quickly.

One notable weight-gain mass product Nutrex Research is Mass Infusion
Some key information about Mass Fusion:
- Calories: 1100
- Protein: 50g
- Carbohydrates: 200g
- Fat: 13g
Key advantages:
- Provides healthy carbohydrates to support blood sugar control.
- Protein sourced a variety of high-quality ingredients.
- Enhanced with lactase enzymes to reduce bloating and digestive discomfort.
- Added glutamine to help reduce muscle soreness.
BioTech USA
Biotech USA was founded in 1993. In its early days, Biotech USA was a family-owned company distributing fitness and sports equipment in Hungary. After some time in operation, the founders recognized greater opportunities in the bodybuilding supplement industry and began researching and producing sports nutrition products.
Over the past 20 years, this small family business has grown one of the largest sports and bodybuilding supplement manufacturers in Europe.
The brand offers more than 2,000 diverse products—whey protein powders, BCAAs, and creatine to vitamins and minerals—catering to both beginners and professional athletes. Despite having ‘USA’ in its name, the products are manufactured in Hungary at modern facilities that meet numerous international quality certifications such as ISO 9001, ISO 22000, HACCP, and GMP.
Hyper Mass can be considered the mass gainer that best embodies the true “Biotech USA” spirit. The product does not provide extremely high calories, but instead offers an outstandingly high protein content. Hyper Mass supports weight gain and muscle growth, making it ideal for slim individuals who frequently play sports.

Hyper Mass from BioTech USA
Some key information about Hyper Mass:
- Calories: 508
- Protein: 39g
- Carbohydrates: 76g
- Fat: 2.9g
Key advantages:
- Its perfect combination of a 3-component Protein Blend helps promote rapid muscle development.
- The TriCarbo Matrix carbohydrate complex and micronized creatine create an optimal formula for smart calorie intake without causing excess fat gain.
- Enriched with Micronized Creatine Monohydrate to enhance muscular strength.
Nutrabolics
Nutrabolics was founded in 2002 in Canada. The brand specializes in producing bodybuilding nutrition products such as mass gainers, whey protein, vitamins and minerals, and pre-workouts. All of its products are GMP-certified. This certification ensures that the products are manufactured in a clean, controlled environment and contain no harmful substances. Nutrabolics is now available in more than 50 countries.
Mass Fusion is Nutrabolics’ best mass gainer. Made ultra-clean natural carbohydrate sources combined with three high-quality protein types and healthy fats, Mass Fusion has become an effective weight-gain and muscle-building solution for thousands of customers.

Mass Fuion is Nutrabolics’ best mass gainer
Some key information about Mass Fusion:
- Calories: 950
- Protein: 50g
- Carbohydrates: 175g
- Fat: 5g
Key advantages:
- Its carbohydrate blend includes sweet potatoes, quinoa, corn starch, and maltodextrin.
- Three high-quality proteins: Whey Concentrate, Whey Isolate, and Casein.
- Less sugar.
VitaXtrong
VitaXtrong is a relatively young bodybuilding supplement brand in the United States. With a history of just under 10 years, the brand has quickly become popular across the country and has expanded its distribution to many major nations worldwide.
VitaXtrong produces nutritional products for bodybuilders such as protein, amino acids, mass gainers, fat burners, and more. All VitaXtrong products come with full labeling and high transparency, allowing customers to clearly understand product quality. It is also one of the few sports nutrition brands that publicly releases laboratory quality test results.
100% of VitaXtrong products comply with:
- NSF
- Banned Substance Free
- FDA
- GMP
One standout product is Mega Mass Pro 1350, a highly reputable mass gainer VitaXtrong. It is specifically designed for underweight individuals who regularly work out or are in a bulking phase. With 1350 calories and 73g of fast-absorbing protein per serving, Mega Mass Pro supports rapid weight gain while helping users maintain a lean and firm physique.

Mega Mass from VitaXtrong
Some key information about Mega Mass Pro 1350:
- Calories: 1350
- Protein: 70g
- Carbohydrates: 247g
- Fat: 6g
Key advantages:
- Its protein, calorie, and carbohydrate levels are significantly high.
- Provides 38 types of minerals and amino acids.
- Enhanced with Glycopush to boost carbohydrate metabolism and quickly release energy.
How to use a mass gainer for the best results
Although mass gainers are nutrient-dense, they cannot replace your daily main meals. They are only an energy-boosting supplement, suitable for use as a snack between meals. To maximize the effectiveness of mass gainers, you should keep the following in mind:
- Use 1.5 to 2 hours before your main meal.
- Eat enough nutrients and maintain proper meals every day.
- Rest properly, avoid staying up late or overworking.
- Do light physical activities and limit cardio.
- Maintain a healthy lifestyle and avoid stimulants.
WheyStore hopes that this list of the top 10 mass gainer brands in the world will help you find the most suitable product.











