Best MuscleTech Mass Gainer Picks for Bulking in 2026

The Optimum Nutrition Serious Mass Weight Gainer is a high-calorie supplement designed for individuals aiming to gain weight and build muscle. It is particularly beneficial for hardgainers who struggle to consume enough calories through food alone, providing a convenient and nutrient-dense shake for post-workout recovery or daily energy top-ups.

Standout features include over 1,200 calories, 50 grams of protein, and 250 grams of carbohydrates per two-scoop serving. This blend supports muscle repair, replenishes glycogen stores, and fuels intense training sessions. The added vitamins and minerals further enhance its nutritional profile, making it a comprehensive option for bulking phases.

The product comes in a 6-pound container with a vanilla flavor that mixes easily with water or milk. The powder has a smooth texture and can be customized with ingredients like fruits, peanut butter, or nuts to increase calories and improve taste. The resealable bag helps maintain freshness, though the package is somewhat bulky for storage.

A potential drawback is the high serving size, which may feel heavy or cause bloating for some users. The carbohydrate content is also significant, so it may not be ideal for those on low-carb diets. Additionally, the vanilla flavor might not appeal to everyone, and only one flavor option is available in this size.

Overall, the Optimum Nutrition Serious Mass Weight Gainer delivers on its promise of helping users gain weight and build muscle. It is a reliable choice backed by a reputable brand, but it works best for those who can handle a high volume of calories and are committed to a consistent training regimen.

The MuscleTech 100% Mass Gainer in Chocolate Fudge Brownie is a serious weight gain supplement designed for individuals who struggle to put on mass, such as hard gainers, athletes, and bodybuilders. Each serving, mixed with 2 cups of skim milk, delivers a powerful 1,500 calories and 60 grams of protein, making it easier to hit your daily caloric and protein targets.

In terms of performance, the product stands out with its inclusion of 305 grams of easily digestible carbohydrates, which help replenish glycogen stores and support recovery after intense training sessions. The addition of 13 grams of BCAAs and 6.2 grams of L-leucine further supports muscle protein synthesis, while the pure, HPLC-tested creatine helps enhance strength and power. Users can expect noticeable gains in muscle mass and strength when combined with a consistent workout routine.

The build quality of the product is solid, with a robust tub that preserves freshness. The powder mixes well with milk or water, though it may require a shaker or blender to avoid clumping. The taste is a highlight, with a rich chocolate fudge brownie flavor that is enjoyable, making it easier to consume daily without getting bored.

One potential drawback is the high calorie and carbohydrate content, which may not be suitable for everyone, especially those with lower calorie needs or those following a low-carb diet. Additionally, the calorie count increases if you mix with milk, which could be a concern for strict calorie counters. However, for the target audience, these factors are often a benefit rather than a drawback.

Overall, the MuscleTech 100% Mass Gainer is a top-tier choice for anyone looking to gain weight and build muscle efficiently. Its comprehensive formula, great taste, and proven effectiveness make it a worthwhile investment for serious lifters and athletes.

Brand: MuscleTech

Flavor: Chocolate Fudge Brownie

Size: 5.15 lb (Pack of 1)

Servings Per Container: Approximately 42

Nutritional Facts (per serving, mixed with 2 cups skim milk): 1,500 calories, 60g protein, 305g carbohydrates, 13g BCAAs, 6.2g L-leucine, 2g creatine

Ingredients: Protein blend (whey protein concentrate, milk protein isolate), maltodextrin, creatine monohydrate, natural and artificial flavors, salt, sucralose, and more.

Allergen Information: Contains milk and soy. Processed in a facility that also handles egg, wheat, and peanuts.

Recommended Use: Mix 1 scoop with 6-8 oz of cold water or skim milk. For best results, consume post-workout and between meals.

Manufacturer: MuscleTech

Product Dimensions: 7 x 7 x 10 inches

Item Weight: 5.58 pounds

When considering a mass gainer, it's important to match the product to your specific goals and dietary needs. The MuscleTech 100% Mass Gainer is ideal for those who need a high-calorie, high-protein supplement to support weight gain and muscle building. Before purchasing, consider your daily calorie expenditure and whether a 1,500-calorie shake fits into your plan.

Look for products with a balanced ratio of protein to carbs, as this helps with both muscle recovery and energy replenishment. The inclusion of creatine and BCAAs adds extra value, as these ingredients have been shown to improve performance and muscle growth.

Also, check the ingredient list for any allergens you may have. This product contains milk and soy, which could be an issue for those with dairy or soy allergies. Stir in the fact that you'll need a shaker or blender for optimal mixing, and consider the taste, as you'll be drinking this regularly.

Finally, compare prices per serving to get the best value. The MuscleTech 100% Mass Gainer offers approximately 42 servings per tub, which is excellent for the price. For best results, combine this supplement with a consistent strength training program and a balanced diet.

Dymatize Super Mass Gainer is a serious weight gainer designed for individuals who struggle to put on muscle mass and need a dense source of calories and protein. With a hefty 1,280 calories and 52g of protein per serving, it targets hardgainers, athletes in a bulking phase, or anyone needing extra energy to support intense training. This powder is particularly beneficial for those who have high metabolisms and find it challenging to consume enough food to gain weight.

The standout feature is its dual-protein blend of whey and casein. Whey provides a quick spike of amino acids post-workout, while casein digests slowly, ensuring a steady supply of protein to muscles over several hours. This makes it ideal for use between meals or as a post-workout shake. Additionally, the inclusion of 1g of creatine per serving supports strength gains, helping you lift heavier and train harder. The added vitamins and minerals, including Vitamin C, E, and calcium, support overall health and recovery, making it a well-rounded supplement.

In terms of mixability and taste, the Rich Chocolate flavor is generally well-received, though some users might find it slightly sweet. It blends well with water or milk, and the powder is versatile enough to be incorporated into recipes like pancakes, cookies, or smoothies. The 12 lb tub is generous, offering roughly 8 servings, which provides good value for the price. The packaging is sturdy, though the large size might be cumbersome for some.

However, there are a few considerations. The high calorie count might be excessive for those who are not training heavily or have lower daily energy requirements. Additionally, the product contains a variety of ingredients, including artificial flavors and sweeteners, which could be a concern for those with sensitivities or who prefer clean labels. It's also worth noting that each serving is large, so you'll need to mix it with a good amount of liquid to avoid a thick consistency.

Overall, Dymatize Super Mass Gainer is a powerful tool for anyone serious about gaining muscle mass. It delivers on its promises of high protein, calories, and added strength benefits. While it may not suit everyone due to its caloric density and ingredient list, for the target audience of hardgainers and athletes, it's an excellent choice. The blend of fast and slow proteins, combined with creatine and vitamins, makes it a comprehensive supplement for bulking phases. If you're looking to pack on size and have the appetite for it, this is a top contender.

Optimum Nutrition Serious Mass Weight Gainer is designed for individuals who struggle to gain weight or need extra calories to support intense training. With over 1,200 calories per two-scoop serving, it delivers a massive energy boost that helps bridge the gap between a typical diet and the demands of muscle building. This product is especially suited for hardgainers, athletes, and anyone looking to increase their caloric intake efficiently.

The standout feature is its comprehensive nutritional profile: 50 grams of blended protein, including whey and casein, provide both immediate and sustained amino acid release. Over 250 grams of carbohydrates help refill glycogen stores, while 20+ vitamins and minerals add immune support and overall wellness. Real-world performance is consistent with Optimum Nutrition's reputation for quality, mixing smoothly when using an electric blender or shaker.

Design and build quality are typical for a large supplement tub. The 12-pound container is sturdy and includes a scoop for accurate dosing. The chocolate flavor is palatable and mixes well with milk, water, or added ingredients like fruits and nut butters. The powder's texture can be slightly gritty if not mixed thoroughly, but this is common for high-calorie gainers.

One drawback is the high carbohydrate content, which may not fit low-carb or ketogenic diets. Additionally, the serving size requires a significant amount of liquid to achieve a drinkable consistency. Some users may find the tub cumbersome to store due to its size. However, for its intended purpose of mass gain, these are minor trade-offs.

Verdict: Optimum Nutrition Serious Mass is a reliable, high-calorie weight gainer that delivers on its promises. It is best for those who need a convenient, nutrient-dense shake to support muscle growth and weight gain. With a strong nutritional profile and good taste, it remains a top choice in the weight gainer category.

The Dymatize Super Mass Gainer is a high calorie weight gain powder designed for individuals who struggle to put on mass or need extra fuel for intense training. Each serving delivers 52 grams of protein and 1,280 calories, making it one of the most calorie dense options on the market. It is especially suited for hardgainers, bodybuilders, and athletes aiming to build muscle size and strength.

One standout feature is the inclusion of 1 gram of creatine per serving, which supports increased power and strength during workouts. The formula also contains 14 essential vitamins and minerals, including Vitamin C, E, and calcium, to aid recovery and overall health. The blend of fast and slow digesting proteins (whey and casein) ensures a sustained release of amino acids to keep your muscles growing for hours.

In terms of design, the powder comes in a 6 pound tub with a secure lid. The gourmet vanilla flavor mixes easily with water or milk, though some users may find the thick consistency requires a blender for best results. The package weight is listed as 1.26 pounds, which may be an error considering the 6 pound product size. The powder is versatile and can be incorporated into smoothies, pancakes, or protein bars for added calories.

A potential drawback is the large serving size, which may be difficult to consume in one sitting for some people. Additionally, high calorie mass gainers can cause bloating or digestive issues for those sensitive to heavy shakes. The product also has a modest number of user reviews, so long term performance data is limited.

Overall, the Dymatize Super Mass Gainer is a solid choice for individuals who need a dense, nutrient packed supplement to gain weight and support muscle growth. With 52g protein, creatine, and vitamins, it provides a comprehensive solution for serious gym goers. Just be prepared for a calorie heavy shake and mix it well for the best experience.