10 Best Bodybuilding Supplements For Mass in 2026

The 1,280-calorie serving is the central fact here. It delivers a massive caloric surplus in a single shake, which is exactly what someone struggling to eat enough for muscle growth needs. This product suits individuals with fast metabolisms or high activity levels who find it difficult to consume sufficient calories through whole foods alone. The combination of whey and casein provides both immediate and prolonged amino acid delivery, supporting muscle repair around the clock. Adding creatine and a vitamin complex rounds out a formula designed for one purpose: packing on size.

With 1,280 calories per serving, this gainer delivers a substantial energy surplus for dedicated muscle-building phases. Each container holds just eight servings, making it a focused tool rather than a casual daily supplement. The formula is designed for maximum caloric input, which necessitates a matching intensity in the gym to be effective.

A single serving delivers over 1,200 calories, a definitive solution for anyone struggling to meet the caloric demands of a serious mass-building phase. This makes it a logical choice for hardgainers or those in an intense off-season bulk where every meal counts. The inclusion of 50 grams of protein and a hefty dose of carbohydrates directly supports muscle repair and energy needs from heavy training. Added vitamins also help cover nutritional gaps in a high-calorie diet.

This mass gainer delivers over 1,200 calories per serving, making it a dedicated tool for significant daily energy surplus. That substantial amount is built on over 250 grams of carbohydrates, designed to replenish glycogen and fuel demanding training regimens. For those seeking a more moderate calorie increase, other gainers in the category offer different approaches. This formula prioritizes maximum caloric delivery in each shake, suited for intense bulking phases where diet alone falls short.

NAKED Mass uses just three ingredients: whey, casein, and organic tapioca maltodextrin. This simple formula results in a transparent product that avoids artificial sweeteners, flavors, and colors. Combining fast-release whey with slow-digesting casein is intended to keep protein synthesis active. As an unflavored powder, it provides a versatile base for adding to homemade shakes, smoothies, or protein bars.

Each serving delivers 1,250 calories and 252 grams of carbohydrates, a substantial amount for weight gain. For context, the Rival Nutrition Clean Gainer provides 550 calories per serving. The unflavored format allows for taste customization, differing from pre-flavored options like Dymatize Super Mass Gainer.

The 550-calorie serving is the key spec here, designed to support lean mass gains without the caloric overload of traditional gainers. This positions the Rival Clean Gainer for the lifter who wants to add size but is mindful of body composition. The protein blend provides a sustained release, and the complex carb mix aims to fuel long workouts. It’s a logical choice if your primary goal is adding quality mass with minimal added sugar from clean ingredients.

Rival Nutrition’s Clean Gainer offers 550 calories per serving, a moderate energy boost for lean muscle growth rather than an extreme surplus. This places it between lighter protein supplements and high-calorie mass gainers like Dymatize Super Mass Gainer, which offers 1280 calories. The focus is on quality calories from clean ingredients, fitting those who prioritize a simpler formulation and are willing to add extra calories from whole foods.

With 1,270 calories in a single serving, this gainer is built for someone who struggles to eat enough to put on size. The protein blend and added BCAAs target muscle repair, while the carbohydrate mix from barley and sweet potato aims for sustained energy. It’s a formula designed for the singular goal of pushing calorie intake far beyond maintenance levels, which is exactly what a hard gainer needs to start seeing the scale move. The vanilla flavor is straightforward and mixes easily, making it a practical, if monotonous, tool for daily shakes.

Its sheer volume is the main consideration. While the 1,270-calorie hit is the entire point, it’s overkill for anyone not in a dedicated, aggressive mass phase. This formula is a sledgehammer compared to a more moderate option like Rival Nutrition’s 550-calorie Clean Gainer. The 2.2-pound container also means you’ll order more frequently than with bulk options like NAKED Mass, so consider it a commitment to an intense nutritional protocol.

With 1,230 calories and 50 grams of protein packed into a single serving, this gainer is built for serious mass accumulation. It’s a clear fit for vegan athletes or anyone with dairy sensitivities who needs a high-calorie, high-protein shake to support a demanding weightlifting routine. The formula’s purity is its main draw, just five recognizable ingredients, certified by NSF, which means you’re getting a straightforward fuel source without the usual supplement junk. The mild vanilla flavor is a practical choice, giving you control to blend in your own fruits or flavors, rather than being locked into an overpowering artificial taste.

With just 11 servings in an 8-pound container, this gainer is designed for an intensive bulking phase rather than casual, extended use. It delivers a substantial 1,230 calories and 245 grams of complex carbs per serving, sourced from a short list of five plant-based ingredients. The formula uses organic tapioca maltodextrin instead of wheat-based carbohydrates, providing a gluten-free energy source for those with dietary restrictions. While the Dymatize Super Mass Gainer offers a similar carbohydrate content, the NAKED Vegan Mass achieves its nutritional profile through entirely vegan and allergen-free components like pea and rice protein.

Delivering 770 calories from nutrient-dense sources like oat flour and sweet potato powder, this mass gainer provides a substantial energy surplus for those struggling to meet high-calorie goals. Its 53 grams of grass-fed whey protein supports muscle repair and recovery, and the inclusion of 3 grams of creatine monohydrate means one less supplement to purchase separately. The formula contains no artificial fillers and is third-party tested, appealing to users who prioritize clean, transparent ingredients.

Its total calorie payload is the key consideration. This is a focused choice for the tinkerer who prioritizes ingredient quality over sheer caloric volume. A simpler formula like this aims to do the work without digestive surprises.

This mass gainer suits the skeptical tinkerer who trusts certificates of analysis over marketing claims. The 53 grams of protein from whey and casein provides a sustained amino acid release, supporting muscle recovery over several hours, while the high carb count delivers the calories needed for a serious bulk.

The sheer volume is its defining characteristic. Each serving packs 99 grams of carbohydrates, a number that can easily overshoot your targets without meticulous meal planning. Compared to a formula like Rival Nutrition’s Clean Gainer, which has about half the carbs, this one is unapologetically for hardgainers who struggle to eat enough.

A 6:1 ratio of carbs to protein is the central fact here. This formula is structured for someone whose primary goal is adding significant calories and carbohydrates to support a rigorous mass-building regimen. The inclusion of creatine monohydrate is a straightforward addition for those already factoring it into their protocol. It suits a lifter who needs a dense, calorie-packed shake to meet demanding daily intake targets without relying solely on whole foods.

With over 1,220 calories per serving, this mass gainer is designed for an aggressive bulking phase where every calorie counts. That substantial density makes it less suitable for someone seeking a modest calorie bump or needing to manage intake more finely. For a more moderate approach, Rival Nutrition’s Clean Gainer serves up 550 calories per serving, which is less than half the caloric content found here.

With 690 calories and a 2:1 ratio of carbs to protein, BSN True-Mass is built for the specific goal of adding size during an intense training phase. It suits someone whose primary focus is getting in a large, convenient dose of calories and protein to support mass gain, and who values taste enough that it determines whether the product gets used consistently. The inclusion of MCT fats and a complex blend of seven protein sources aims to provide sustained nutrition, which is the practical foundation of its design.

BSN True-Mass delivers 690 calories per serving, a substantial amount designed to support the demands of an extreme training program. This high-calorie foundation is built on a 2:1 ratio of carbohydrates to protein, a mix intended to fuel mass gain. Compared to the 550-calorie Rival Nutrition Clean Gainer, True-Mass offers a more calorie-dense option. The product’s flavor technology is a practical feature, making the frequent consumption of such a calorie-rich shake more palatable.