Top Brands for Quality Weight Gainers: A Quick Guide

Looking to bulk up and enhance your physique? Weight gainer supplements can play a crucial role in aiding your muscle growth and meeting your caloric needs. With numerous brands promising effective results, it can be challenging to determine which ones truly stand out. Our detailed list highlights some of the best weight gainer brands renowned for their quality ingredients and impressive protein-to-carb ratios. Discover which brands can support your fitness journey by looking at our curated selection below.

Illustration of weight gainer products

Best brands of weight gainer products in 2025

Optimum Nutrition

Optimum Nutrition is a leading brand in the sports nutrition industry, particularly renowned for its high-calorie weight gain formulas like Serious Mass, which provides up to 1260 calories, 50g of protein, and 253g of carbohydrates per serving. This product is trusted by elite strength athletes worldwide and is part of a market that is expected to grow at a CAGR of 8.81% from 2024 to 2032. Optimum Nutrition's products, including Serious Mass, contribute significantly to the protein powder segment, which accounted for 55.86% of the overall market revenue in 2022. The brand's commitment to quality and performance has made it the world's #1 sports nutrition brand. With over 30 years of experience, Optimum Nutrition continues to support athletes' goals with scientifically formulated products.

BSN

BSN (Bio-Engineered Supplements & Nutrition) is renowned as one of the top producers of weight gainer products, known for its high-quality formulas and effective results. Since its inception in 2001, BSN has consistently delivered supplements that meet the needs of athletes and fitness enthusiasts, with products like Mass Gainer containing up to 50 grams of protein per serving and 840 calories to support significant muscle growth. BSN's products are often praised for their taste and mixability, making them a favorite among consumers. With a commitment to using only the best ingredients, BSN ensures that its weight gainers are not only effective but also safe for consumption. The brand's popularity is evident in its widespread availability in health food stores and online marketplaces.

Dymatize

Dymatize is a renowned brand in the supplement industry, particularly acclaimed for its high-quality weight gainer products. The Dymatize Super Mass Gainer, for instance, offers a robust blend of 52 grams of protein, 245 grams of carbohydrates, and 11 grams of fat per 2.5-cup serving, totaling around 1,280 calories. This formulation includes fast- and slow-absorbing protein blends, 10.7 grams of BCAAs, and 5.1 grams of leucine, making it an ideal choice for those seeking to gain muscle mass quickly. Dymatize products are banned substance-tested and manufactured in GMP Certified facilities, ensuring safety and efficacy. With its delicious flavors and excellent mixability, Dymatize stands out as a trusted name in the market.

MuscleMeds

MuscleMeds is a renowned brand in the weight gain supplements market, particularly known for its Carnivor Mass and Carnivor Mass Big Steer 1250 products. These products are formulated with 100% beef protein, offering high protein content, faster carbs, and the proprietary iSpike technology to trigger explosive muscle growth. The Carnivor Mass gainer provides 50g of protein per serving, making it an effective tool for building lean mass and enhancing recovery. With its lactose-free, fat-free, and sugar-free composition, it caters to a wide range of dietary needs. The global weight gain supplements market, which includes brands like MuscleMeds, is projected to experience significant growth, with the powder segment accounting for a noticeable share of the market.

MuscleTech

MuscleTech is renowned as one of the leading sports nutrition brands, particularly for its weight gainer products. The Mass-Tech Extreme 2000, for instance, offers an impressive 2,110 calories, 60 grams of protein, 456 grams of carbs, and 6 grams of fat per serving, along with 13.3 grams of BCAAs and 5 grams of creatine monohydrate. This product is part of MuscleTech's commitment to research and innovation, having been globally recognized for over 29 years and holding over 100 patents. The brand's products are manufactured according to cGMP standards, ensuring high-quality ingredients and effectiveness. MuscleTech's weight gainers, such as the 100% Mass Gainer, are designed to provide a balanced approach to weight gain, making them a popular choice among athletes and fitness enthusiasts. For more details on their offerings, visit their Weight Gain Supplements for Women page.

Universal Nutrition

Universal Nutrition is a leading brand in the weight gainer market, known for its high-quality and nutrient-dense products. Their Gain Fast 3100 formula, for instance, provides over 3100 calories per serving, including 150g of protein, 596g of carbohydrates, and only 15g of fat, making it an ideal choice for those seeking to bulk up and enhance muscle growth. This product is enriched with anabolic boosters, performance factors, natural plant sterols, EFAs, digestive enzymes, and muscle optimizers. Universal Nutrition's products are designed to support mass gain, promote muscle growth, and enhance muscle repair and recovery. The brand's commitment to quality and effectiveness has made it a favorite among athletes and fitness enthusiasts.

Mutant

Mutant Mass, produced by the Mutant brand, stands out as one of the best weight gainer products on the market, offering a high-calorie and nutrient-dense formula with 1,100 calories, 56 grams of protein, 192 grams of clean carbs, and 12 grams of high-quality plant-based fat per serving. This supplement features a premium blend of proteins, including whey protein concentrate, casein, and milk proteins, and is enriched with whole foods like barley, sweet potato, and oats. The product is known for its superior taste and effective combination of fast-acting and slow-release protein sources. A research study showed that users of Mutant Mass can double their gains in lean muscle mass and increase their max bench press by over 30 pounds. With its comprehensive nutrient profile and scientific backing, Mutant Mass is a top choice for bodybuilders and athletes aiming for significant muscle gains.

ProSupps

ProSupps is renowned as one of the best producers of weight gainer products, particularly with their IncrediBulk formula, which packs 1300 calories, 250 grams of carbohydrates, and 54 grams of protein per serving. This product is designed to help users gain weight effectively, with 19 grams of naturally occurring EAAs to promote muscle growth and recovery. The IncrediBulk weight gainer stands out from other products by avoiding cheap fillers and focusing on quality gains. ProSupps' commitment to elite athletes is evident in the formulation of their products. The global protein supplements market, which includes weight gainers, is projected to grow significantly, with protein powders like IncrediBulk expected to hold a dominant market share.

Labrada Nutrition

Labrada Nutrition is renowned as one of the best producers of weight gainer products, particularly with their Muscle Mass Gainer, which is designed for "hard gainers" and offers a balanced blend of protein, carbohydrates, creatine, and glutamine. This product provides 1,930 calories, 84 grams of protein, and 315 grams of carbs when mixed with 32 oz of whole milk, making it an effective solution for those struggling to gain weight. Labrada Nutrition has been committed to quality since 1995, performing independent third-party lab testing to ensure the potency and purity of their products. The brand is backed by Lee Labrada's personal quality guarantee, "If it's on the label, it's in the bottle!" This commitment to quality and effectiveness has made Labrada Nutrition a trusted name in the fitness industry.

GNC

GNC (General Nutrition Centers) is a leading brand in the health and nutrition industry, particularly renowned for its high-quality weight gainer products. The GNC Pro Performance Weight Gainer, for instance, delivers 50 grams of a protein blend designed to digest over time, ensuring essential amino acids are readily available for muscles. This product also includes 700 calories, 115-117g of a dual carbohydrate system, and added MCT and BCAA to support muscle growth and energy needs. Despite facing market share challenges, GNC still held 24% of the Diet Plans and Supplements market in January 2021, although this was down from 35% in January 2020.