10 Best Mass Gainer Protein Powders in 2026

Each two-scoop serving delivers 1,200 calories and 50 grams of blended protein, making this a direct option for anyone who needs extra calories to support weight gain when their regular diet falls short. The protein blend includes whey, creatine, glutamine, and BCAAs to aid muscle repair after training, and the added vitamins and minerals help cover nutritional gaps that can come with a high-calorie eating plan. This is the shake you grab when your appetite can’t keep pace with your lifting goals.

The sheer volume of carbs, over 250 grams per serving, works great for refueling after intense sessions but feels heavy if you’re not burning through that energy. Compared to Transparent Labs Mass Gainer, which offers a leaner 110g carb profile, Serious Mass is built for the hardgainer who wants maximum calories in one drink, not for someone trying to keep carbs in check. Blend it with milk or peanut butter if you need even more, but be ready for a thick shake that takes a minute to mix.

At 1,280 calories and 52 grams of protein per serving, this is one of the most calorie-dense formulas you will find in any mass gainer. That energy load makes it a practical choice if you struggle to eat enough whole food to grow, or if you need a quick post-workout boost that also keeps feeding your muscles for hours thanks to the whey-and-casein blend. The added creatine and vitamins support both strength output and recovery, so you are not just packing on calories but giving your body tools to use them.

With 1,280 calories and 245 grams of carbs per serving, this weight gainer is designed for people who need a massive caloric surplus to pack on size. It combines fast- and slow-digesting proteins like whey and casein to keep feeding your muscles over time, and you can blend it into smoothies, pancakes, or protein bars for a calorie-packed treat.

At 770 calories per serving from oat flour, organic tapioca maltodextrin, and sweet potato powder, this mass gainer relies on whole-food ingredients instead of cheap fillers. The 53 grams of grass-fed whey deliver a complete amino acid profile to drive muscle protein synthesis and speed recovery. The 3 grams of creatine monohydrate are clinically dosed to support strength gains and improved performance. It targets anyone aiming for a caloric surplus who prioritizes ingredient quality.

The trade-off is serving count: at 15 servings per container, you will go through it faster than some larger tubs. The 110 grams of carbs make this a high-carb option, so it fits people who need substantial carbohydrate intake to fuel workouts. For anyone focused on ingredient quality, the formula is free from artificial sweeteners, colors, and preservatives, with third-party testing for purity.

With 1,250 calories and 50 grams of protein per serving, this mass gainer packs serious fuel for anyone struggling to add weight. What makes it stand out is the short ingredient list: whey, casein, and organic tapioca maltodextrin. No artificial sweeteners, no soy, no gluten. That simplicity is a relief if you’ve ever flipped over a tub and found a paragraph of chemicals you can’t pronounce. It’s a clean, straightforward way to boost your daily intake without guessing what’s inside.

The trade-off is that it’s unflavored, so you’ll need to blend it with fruit, peanut butter, or cocoa to make it taste like something. Compared to other mass gainers that come pre-sweetened, Naked Mass asks you to be your own barista. That’s fine if you like controlling the flavor and sugar level, but if you just want to chug a shake and go, the extra step might feel like a chore. Best for the ingredient-conscious hardgainer who values transparency over convenience.

This high-calorie option provides 1,100 calories and 56 grams of protein per serving for anyone who needs to increase calorie and protein intake to support weight-gain goals. The protein blend includes whey isolate, concentrate, and casein, while the carbohydrate content is 192 grams per serving. The ingredient list includes barley, sweet potato, rolled oats, avocado, coconut oil, flaxseed, pumpkin seed, and sunflower oil. The 15-pound tub provides a large quantity for regular use over time.

A serving of this mass gainer delivers 192 grams of carbs, which is a lot even for a mass gainer. If you prefer a leaner approach or want to control carb intake more tightly, you might consider a product with lower carbs. But for pure calorie density in a single serving, this Mutant tub delivers exactly what it says on the label, and the triple chocolate flavor is listed as a feature.

A 2:1 carb-to-protein ratio means you get a steady stream of energy and muscle-building fuel without the sugar spike that comes with higher-carb blends. With 50 grams of protein from whey concentrate, casein, egg whites, and milk isolates, True-Mass delivers both fast and slow-digesting proteins, so your muscles stay fed for hours after your shake. That balanced approach makes it a smart pick if you want solid mass without feeling like you are drinking a dessert.

At 690 calories per serving, True-Mass is a moderate option compared to Dymatize Super Mass Gainer, which delivers 1,280 calories. If you have trouble eating enough to gain weight, you may need to use more than one serving or add extra ingredients to reach your calorie surplus. That same moderate calorie load makes it easier to digest and less likely to cause bloating, which helps if you are new to mass gainers or plan to drink it alongside meals.

A single serving packs 1260 calories, 50g protein, and 250g carbs from oats, yams, and sweet potatoes, so if your goal is stacking on mass without blowing your budget, this tub delivers the fuel. It’s designed for anyone who needs a calorie-dense shake to support heavy training, especially when you’re trying to eat enough through whole foods alone. The natural carb blend makes it feel a bit more thoughtful than some sugar-heavy alternatives, which is a nice bonus for the price-conscious lifter.

The 12-pound tub provides about 16 servings, so you’ll go through it faster than some smaller containers. Compared to Optimum Nutrition Serious Mass, which comes in a 6-pound tub, Forzagen offers a larger total weight per container. It’s a high-calorie mass builder designed for those who need a dense shake to support heavy training.

Each serving of this mass gainer, when mixed with skim milk, delivers 1,500 calories and 60 grams of protein. That is exactly the kind of density that helps someone who struggles to eat enough push toward consistent weight gain. The formula includes HPLC-tested creatine monohydrate, which studies suggest helps replenish ATP stores during intense exercise, potentially boosting performance and strength. You also get 304 grams of easily digestible carbs and over 13 grams of BCAAs per serving when prepared with two cups of skim milk.

Six scoops per drink means you will be blending a thick, substantial shake, and that amount of carbs might feel like overkill if you are not training hard enough to burn through them. Compared to Dymatize’s mass gainer, which offers 1,280 calories and 52 grams of protein per serving (based on product label), this MuscleTech option lands on the heavier end of the spectrum.

At 1,350 calories per serving, this is the most calorie-dense option in the guide, designed for anyone who struggles to pack on mass even with a big appetite. The 50g protein blend combines fast and slow-release sources, while 11g of BCAAs (including leucine) target muscle protein synthesis. It’s a straightforward tool for extreme bulking phases where your goal is adding serious size quickly, and the Informed Choice certification means it’s been tested for banned substances, which matters if you compete or train under strict standards.

The trade-off is serving count: you get only 8 servings per 6 lb container, so it runs out faster than some other options in the guide. That makes this a short-term bulking accelerator rather than an everyday staple. If you need maximum calories per scoop and don’t mind frequent reordering, this fits the bill. For anyone wanting a more moderate calorie load or longer-lasting supply, the other picks in the guide may suit better.

Sixty grams of protein per serving is a serious number for anyone trying to add mass without drinking shake after shake. That single scoop delivers 650 calories alongside 85g of carbs to refuel after a tough workout or fill a gap between meals. Optimum Nutrition rounds it out with 32 vitamins and minerals, including vitamin C and zinc for immune support.

At 85g of carbs per serving, this is a denser option than something like Dymatize Super Mass Gainer, which packs more calories but leans heavier on carbs and sugar. If you are trying to control your carb intake or prefer a leaner bulk, the Gold Standard Pro Gainer might feel like more than you need. But for the person who wants protein to lead the calorie count and appreciates the extra micronutrient support, this is a thoughtful, well-rounded choice.