Top Muscle Gainer Brands You Need to Know Today

In the quest for muscle growth and mass gain, choosing the right gainer supplement is essential. With so many brands vying for attention, selecting the perfect one can seem daunting. Whether you're a seasoned bodybuilder or a newbie eager to pack on pounds, some brands stand out for their quality and effectiveness. To help guide your decision, we've compiled a comprehensive list of the best brands for gainers below.

Illustration of gainer

Best brands of gainer in 2025

Optimum Nutrition

Optimum Nutrition is a leading brand in the protein supplements market, known for its high-quality products like the Pro Gainer, which provides 60 grams of protein, 85 grams of carbohydrates, and 650 calories per serving to support muscle gain and recovery. The brand has been trusted by professional athletes and gym enthusiasts for over 30 years. In 2022, protein powder, a category dominated by Optimum Nutrition, accounted for 55.86% of the overall market revenue share. Optimum Nutrition's products are scientifically formulated to support peak performance and recovery, making them a favorite among bodybuilders, elite athletes, and casual exercisers. The brand's strong online sales and mass distribution channels further fuel its market presence.

BSN

BSN (Bio-Engineered Supplements and Nutrition), founded in 2001, has established itself as a global leader in the sports nutrition marketplace, particularly renowned for its high-quality gainers. The brand's product line, including the ultra-premium gainer True Mass, is designed to support muscle growth with a balanced mix of protein and quality calories, appealing to a broad range of consumers. BSN's products have won over 35 sports nutrition awards in the last six years, reflecting their performance and consumer loyalty. With distribution in over 90 countries and sales to over 40,000 retailers, BSN's reach is extensive. The brand's commitment to innovative products and broad distribution channels has contributed to its strong market presence.

MuscleTech

MuscleTech is a leading brand in the sports nutrition industry, particularly renowned for its high-quality mass gainers. Their Mass-Tech Elite product is engineered to deliver high biological value protein, clean calories, carbs, and creatine, enhancing muscle size and strength with 20% better amino acid absorption. With over 29 years of industry leadership, MuscleTech has funded numerous peer-reviewed research studies and holds over 100 patents, ensuring their products meet stringent cGMP standards. Their mass gainers provide up to 1,500 clean calories when mixed with 2 cups of skim milk, making them an effective choice for those in their bulking phase. The brand's commitment to research and innovation has made it a global name in redefining performance.

Dymatize Nutrition

Dymatize Nutrition is renowned as one of the top producers of mass gainers, particularly with their Super Mass Gainer product, which offers a robust nutritional profile including 52 grams of high-quality protein, up to 243 grams of carbohydrates, and 3 grams of pure creatine per serving. This formula is designed to support muscle growth, improve training performance, and reduce fatigue, making it ideal for bodybuilders and powerlifters. The product is banned substance-tested by Informed-Choice, ensuring athletes' safety and product quality. With its powerful combination of creatine, carbohydrates, and proteins, Dymatize Super Mass Gainer is a go-to choice for those in the bulking phase. The product also includes essential vitamins like vitamin C, niacin, pantothenic acid, vitamin B6, and folate to reduce tiredness and fatigue.

Universal Nutrition

Universal Nutrition is renowned for its high-quality supplements, particularly its Gain Fast product, a powerful anabolic weight-gaining formula rich in protein, complex carbohydrates, and advanced anabolic agents. Designed to support maximum gains in mass and size, Gain Fast contains 71% carbs, 11% fat, and 17% protein, with 5 scoops providing 875 calories and 38 grams of protein. This supplement is ideal for athletes seeking to pack on size and is available through international distributors. With its delicious taste and comprehensive nutritional profile, including 100% of the Daily Value for calcium, Gain Fast stands out as a top choice in the market. Universal Nutrition's commitment to quality and performance makes it one of the best producers of weight gainers.

ProSupps

ProSupps is a leading brand in the sports nutrition industry, particularly renowned for its high-quality weight gainers. Their IncrediBulk Premium Weight Gainer, for instance, contains 1300 calories, 250 grams of carbohydrates, and 54 grams of protein per serving, making it an effective formula for muscle growth and recovery. With a strong presence in the U.S. market, ProSupps is part of a sector that saw sports supplements account for over 52% of the market revenue in 2021, with the overall sports nutrition market projected to grow to $78.3 billion by 2030.

Labrada Nutrition

Labrada Nutrition is renowned as one of the best producers of mass gainers, offering products like the Labrada Muscle Mass Gainer, which provides 52g of protein, 1284 kilocalories, and 250g of carbs per serving, making it ideal for bulking up and muscle growth. This supplement also includes 1g of creatine monohydrate and 500mg of L-glutamine to enhance muscle strength and recovery. Labrada Nutrition's products are part of a broader protein supplements market that is expected to reach $41.1 billion by 2033, growing at a CAGR of 6.3% from 2023 to 2033. The brand's commitment to high-quality ingredients and comprehensive nutritional support has made it a favorite among fitness enthusiasts. With a strong presence in regions like North America, Labrada Nutrition continues to empower individuals to achieve their fitness goals.

MuscleMeds

MuscleMeds is a leading brand in the supplement industry, particularly renowned for its innovative mass gainer products. The company's Carnivor Mass, for instance, offers 50 grams of beef protein isolate per serving, making it an ideal choice for those seeking to build lean mass without lactose, fat, or cholesterol. MuscleMeds has been at the forefront of supplement science for over 10 years, providing elite bodybuilders and athletes with potently dosed and clinically proven products. The global mass gainer market, in which MuscleMeds is a key player, is expected to grow at a CAGR of 5.5% from 2018 to 2028. This growth is driven by increasing health and fitness awareness, as well as the rising demand for premium-quality mass gainers.

RSP Nutrition

RSP Nutrition is a leading brand in the nutritional supplements industry, particularly renowned for its high-quality gainers and other fitness products. Founded by former student athletes, RSP Nutrition aims to provide innovative and premium supplements that help customers achieve their fitness goals. The company has seen significant growth, with an estimated annual revenue of $12.6 million and a 44% increase in employee count last year. Users of RSP Nutrition products, such as powerlifters and fitness models, have reported substantial improvements in their gym performance, including increased strength and faster recovery. RSP Nutrition's products are part of a larger market that is expected to grow, with the global protein supplements market projected to reach $49.68 billion by 2032.

Serious Mass by Optimum Nutrition

Optimum Nutrition's Serious Mass is a highly regarded weight gainer supplement, designed to support muscle building and weight gain with its robust nutritional profile. Each serving provides up to 1260 calories, 50 grams of protein, and 253 grams of carbohydrates, along with 5 grams of creatine monohydrate and 8 grams of naturally occurring glutamine. This formula is enriched with 19 vitamins and minerals and includes 11g of branched chain amino acids (BCAAs) and 24g of essential amino acids (EAAs). Trusted by elite strength athletes worldwide, Serious Mass is available in five delicious flavors and is recommended for consumption post-workout or between meals. With its high-calorie and high-protein content, it is an effective tool for athletes aiming to bulk up and enhance their performance.