Gaining weight can often be as challenging as losing it, especially when trying to do so in a healthy manner. Fortunately, the market offers a wide variety of products tailored to those looking to increase their caloric intake, build muscle, or improve overall nutrition. Many of these products come from trusted brands known for their quality and effectiveness. If you're keen on discovering the top brands that promote weight gain, enhancing both your diet and fitness journey, look below for our comprehensive list.
Illustration of weight gain products
Best brands of weight gain products in 2025
Optimum Nutrition
Optimum Nutrition is renowned as the world's #1 sports nutrition brand, particularly for its exceptional weight gain products like Serious Mass, which offers up to 1260 calories, 50g of protein, and 253g of carbohydrates per serving, making it a top choice for athletes aiming to build muscle and gain weight. This formula also includes 5g of creatine monohydrate, 8g of naturally occurring glutamine, and 19 vitamins and minerals. Trusted by elite strength athletes globally, Optimum Nutrition's products are backed by significant market share, with the Gold Standard 100% Whey being the best-selling whey protein powder in the world as of 2022. The brand's commitment to quality and performance has earned it a strong reputation in the sports nutrition category. Optimum Nutrition's estimated annual revenue is $30.5 million, with a notable employee growth of 10%.
BSN
BSN (Bio-Engineered Supplements and Nutrition), founded in 2001, is a global leader in the sports nutrition marketplace, renowned for its dynamic and result-producing products. BSN has won over 35 sports nutrition awards, demonstrating its commitment to quality and performance. Their products, such as BSN True Mass, are designed to support muscle growth and recovery with a unique 2:1 ratio of carbohydrates to protein and are distributed in over 90 countries worldwide. BSN's products cater to a broad audience, including athletes and fitness enthusiasts, and are available in various flavors. The company's global reach includes shipping to over 40,000 retailers nationally.
Dymatize Nutrition
Dymatize Nutrition is renowned as one of the best producers of weight gain products, particularly with their Super Mass Gainer, which is formulated to help even the hardest gainers pack on mass and size. This product is loaded with high-quality protein, BCAAs, calories, and other nutrients, and it is manufactured in GMP and Sport Certified facilities to ensure safety and purity. Dymatize's products are based on the latest science and are tested in university studies and elite professional training facilities. The global whey protein market, in which Dymatize is a key player, is expected to grow at a CAGR of 10.29% from 2024 to 2032, reaching $15.98 billion by 2032.
MuscleTech
MuscleTech is renowned as one of the best producers of weight gain products, offering a range of nutrient-dense formulas designed to enhance muscle size, increase strength, and support recovery. Their flagship product, Mass-Tech, provides 50 grams of high-quality protein, 1,370 calories, 280 grams of carbohydrates, and 5 grams of creatine per serving, with clinical studies showing participants gained over four times more lean muscle than those using a placebo in a 12-week study. The brand also offers other potent options like Mass-Tech Extreme 2000, which delivers 2,130 calories and 60 grams of protein per serving, and Mass-Tech Elite, featuring 80 grams of protein and 10 grams of creatine. MuscleTech's commitment to scientific research and innovation has made their products staples in the fitness community. With a 30-day return policy and free shipping on orders over $30, MuscleTech ensures customer satisfaction.
GNC
GNC (General Nutrition Centers) is a prominent player in the weight loss and supplement market, although it has faced recent challenges. In 2021, GNC controlled 24% of the Diet Plans and Supplements market, down from 35% in 2020, indicating a decline in market share. Despite this, GNC remains one of the top manufacturers, with a significant presence in the global weight loss supplements market valued at USD 24.63 billion in 2023. The company continues to offer a wide range of products, including minerals, herbs, and fibers designed to help consumers lose weight. GNC's products are available in various forms such as capsules, powders, and tablets. For more information, visit their official website.
Universal Nutrition
Universal Nutrition is a leading brand in the weight gain supplement market, known for its high-calorie and nutrient-dense products. Their Real Gains formula, for instance, provides over 600 clean calories per serving, including 52 grams of protein, 82 grams of complex carbohydrates, and healthy fats from MCTs and EFAs, making it an ideal choice for athletes and individuals seeking to add lean mass quickly. With a balanced mix of fast and slow protein sources like whey isolates and micellar casein, Universal Nutrition's products are designed to support maximum gains in mass and size. The brand's commitment to quality and effectiveness has made it a favorite among fitness enthusiasts, contributing to the global weight gain supplements market's growth, estimated to rise at a CAGR of 5.2% during the forecast period. Universal Nutrition's products are available through various distribution channels, catering to a wide range of consumers.
Mass-Tech
MuscleTech's Mass-Tech is a premier weight gainer, engineered to help users build muscle, gain strength, and speed recovery. Each serving packs 1,370 calories, 50g of whey protein, 280g of muscle-fueling carbohydrates, and 5g of HPLC-tested creatine monohydrate. Backed by research from leading universities, a 12-week study showed participants gained over 4.5 times more muscle than those using a placebo, with an average gain of 7.12 lbs versus 1.30 lbs. This formula is designed to provide clean calories with minimal sugar, only 18g per serving, and includes vitamins, minerals, and digestive enzymes for optimal absorption. With its superior nutrient profile, Mass-Tech supports quality gains in size and strength. For more details, explore the Mass-Tech product page.
Labrada Nutrition
Labrada Nutrition is a renowned brand in the weight gain supplements market, known for its high-quality products designed to help individuals gain muscle mass and weight efficiently. Their Muscle Mass Gainer, for instance, provides 1,930 calories, 84 grams of protein, and 315 grams of carbs when mixed with 32 oz of whole milk, making it an ideal choice for "hard gainers". The brand, founded by professional bodybuilder Lee Labrada, has been a leader in the industry since 1995 and is recognized for its third-party independent lab testing to ensure product purity and potency. Labrada Nutrition is part of a market expected to grow at a CAGR of 10.8% from 2023 to 2030, driven by increasing health consciousness and the popularity of fitness and bodybuilding. The brand's commitment to quality and innovation has earned it a significant market share in the global weight gain supplements market.
Serious Mass by Optimum Nutrition
Optimum Nutrition's Serious Mass is a premium weight gain formula designed to support muscle building and intense workouts, offering up to 1260 calories, 50g of complete protein, and 253g of carbohydrates per serving. It also includes 5g of creatine monohydrate, 8g of naturally occurring glutamine, and 19 vitamins and minerals. Trusted by elite strength athletes worldwide, Serious Mass is a convenient and delicious way to achieve a calorie surplus, with five rich flavors available. This product is particularly beneficial for those in a bulking phase, providing essential macronutrients and micronutrients for optimal performance and recovery. With its high-calorie and high-protein content, Serious Mass stands out as a top choice for serious athletes.
Naked Mass
Naked Mass by Naked Nutrition is a highly regarded weight gainer supplement, offering a unique blend of Naked Whey, Naked Casein, and organic maltodextrin, providing 1,250 calories, 50 grams of protein, and a 5:1 carb-to-protein ratio per serving. It is free from artificial additives, growth hormones, and added sugars, making it an ideal choice for those seeking a clean and effective weight gain product. The supplement is gluten-free, soy-free, and non-GMO, with a vegan option available. Results can be noticeable in as little as 2 weeks, depending on diet and activity level. Naked Mass is certified by Informed Choice Trusted by Sport, ensuring purity and safety for athletes. For more information, visit the Naked Nutrition website.
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