10 Best Protein Powders For Mass Gain in 2026

A single two-scoop serving packs over 1,200 calories, 50 grams of protein, and more than 250 grams of carbohydrates, numbers that make it clear this is built for serious bulking. The protein blend includes whey, creatine, glutamine, and BCAAs, so you’re not just adding calories; you’re supporting muscle repair and recovery after heavy training. With 20-plus essential vitamins and minerals thrown in, it also helps fill nutritional gaps when your diet is playing catch-up.

The 250 grams of carbohydrates per serving make this a dense mass builder, not a lean gainer, so it’s best for those focused on packing on size rather than managing carb intake. Reviewers note the powder can feel thick on its own, so blending with milk, fruit, or peanut butter is a common way to improve texture and taste. For high-calorie weight gain, this delivers over 1,200 calories per serving with a substantial nutrient profile.

With 1,280 calories and 52 grams of protein per serving, this is built for anyone who genuinely struggles to pack on weight. The formula combines fast-digesting whey and slow-digesting casein to provide sustained protein delivery for muscle growth and recovery. That extra gram of creatine per scoop supports the strength work you’re already doing in the gym. If your goal is simple, steady mass gain and you don’t mind a calorie-dense shake, this formula does exactly what it says on the label.

The trade-off is that each serving packs 245 grams of carbs, which is a lot if you’re watching your sugar intake or trying to keep gains leaner. For someone who trains hard and needs the energy, that’s a feature, not a flaw.

1,250 calories per serving from just three ingredients, whey, casein, and organic tapioca maltodextrin, makes this about as straightforward a mass gainer as you can find. For anyone who wants to know exactly what they’re putting in their body, this is the kind of clean label that lets you sleep easy. It suits the hard gainer who prefers whole-food-style nutrition over a long list of additives.

Because it’s unflavored, you’re the one adding the taste. Compared to Optimum Nutrition Serious Mass, which comes in a vanilla flavor, Naked Mass requires a blender, some fruit, or a splash of milk to become palatable. The carb load (252g per serving) is also substantial, so it’s not the pick for anyone watching their carb intake or trying to gain weight more slowly. But if your goal is maximum clean calories with minimal processing, this delivers exactly what it promises.

Each serving delivers 1,100 calories and 56 grams of protein, giving you serious fuel for adding size without downing shake after shake. The ingredient list includes barley, sweet potato, rolled oats, avocado, coconut oil, flaxseed, pumpkin seed, and sunflower oil, so you’re getting more than just protein powder and sugar.

You only get 16 servings per pouch, which means you’ll go through it faster than some competitors if they offer more servings per container. The triple chocolate flavor is rich, but if you prefer vanilla or unflavored options, this one locks you into chocolate. For someone who values a diverse ingredient profile over sheer volume per dollar, this blend delivers exactly what it promises.

Each serving delivers 53 grams of grass-fed whey protein, giving you a complete amino acid profile to support muscle protein synthesis after training. The 3 grams of creatine monohydrate adds a performance edge for strength and recovery, while the carb blend from oat flour and sweet potato powder provides slow-digesting energy without cheap fillers. This is a clean, high-calorie option for lifters who want real food ingredients and third-party testing behind their supplement.

Portion size is the main consideration here: at 770 calories per serving, this mass gainer packs a heavy punch that might overshoot your surplus if you are aiming for a slower, leaner bulk. The container holds 15 servings, which means you will need to reorder more often than with some larger tubs on the market.

At 690 calories per serving with a 2:1 carb-to-protein ratio, this weight gainer gives you a balanced foundation for adding mass without the extreme carb overload some gainers push. The 50 grams of protein come from a blend of whey, casein, and egg whites, so you get both fast and slow-digesting proteins to support recovery and keep you full between meals. It suits anyone who wants controlled, steady weight gain with a milkshake-like taste that actually makes the shake feel like a treat, not a chore.

The serving count is 16 per container, which is what the package delivers. If you prefer a leaner carb profile and do not mind a smaller package, this is a smart pick. Not ideal for those who want massive calorie counts per serving or a huge tub that lasts all month.

At 1260 calories per serving, this is one of the most calorie-dense mass gainers you’ll find, and the 12-pound tub means you’re getting a lot of fuel without needing to reorder every week. For anyone who struggles to eat enough to gain weight or wants a straightforward shake to top off their daily calories, this delivers exactly what the label promises.

Each serving requires four scoops, so you’ll be mixing a pretty thick shake every time. Compared to Optimum Nutrition Serious Mass, which comes in a 2-pound tub, this Forzagen option gives you a larger volume. It’s a bulk buy for bulk goals, plain and simple.

At 1,230 calories per serving, this vegan mass gainer packs a serious caloric punch in a single shake, making it a practical choice for anyone struggling to consume enough to gain weight. The 50g of protein comes from a 2:1 pea-to-rice blend, which delivers a complete amino acid profile, essential for muscle repair when you’re training hard. With just three ingredients, pea protein, organic rice protein, and organic tapioca maltodextrin, it’s about as clean as a weight gainer gets, and the NSF certification adds a layer of trust for purity and safety. This is the go-to for vegans or anyone avoiding dairy, soy, and gluten who wants a straightforward, no-frills mass builder.

This one is unflavored, so you’ll need to blend in fruit, nut butter, or a sweetener to make it palatable. That’s extra effort and cost compared to flavored options like Optimum Nutrition Serious Mass, which arrives ready to drink. Also, the 248g of carbs per serving is hefty, so if you’re watching carb intake for health reasons, this might be more than you need. For a vegan who wants clean ingredients and doesn’t mind customizing flavor, this is a strong pick, just be ready to mix and match to find your perfect shake.

Optimum Nutrition Gold Standard Pro Gainer wraps that protein in 650 calories and 85 grams of carbs, making it a serious tool for anyone who struggles to eat enough to gain mass. The 32 added vitamins and minerals also help cover the micronutrient demands that come with heavy training, so you’re not just piling on calories but supporting overall health too. This blend suits the person who wants a high-protein, balanced gainer without the sky-high calorie count of some competitors.

A 50-gram dose of beef protein isolate with zero fat and zero sugar makes this mass gainer stand apart for anyone who can’t tolerate dairy. The protein comes from beef rather than whey, so you skip the lactose that upsets many stomachs while still getting a fast-absorbing protein that spikes amino acid levels quickly. With over 700 calories and 125 grams of carbs per serving, it delivers the energy surplus needed for muscle gain without the bloat some dairy-based powders cause.

The carb load here is significant: 125 grams per serving is a lot. So if you’re watching your carb intake or prefer a leaner gainer, something like Dymatize Super Mass Gainer with 245 grams of carbs per serving might actually overshoot even more, but a lower-carb option like Transparent Labs Mass Gainer could suit you better. For anyone who wants a dairy-free, high-calorie mass builder that skips the stomach trouble, this is the one to reach for.