10 Best Mass Gainers 2026 in the United States

Dymatize Super Mass Gainer is designed for people looking to increase muscle mass and overall calories efficiently. Each serving packs a high 1,280 calories, making it ideal for those who struggle to eat enough through regular meals. It offers a solid 52 grams of protein from a mix of whey, isolate, and casein, which helps with both quick and sustained muscle recovery. The carb content is quite high at 245 grams, which is good for energy and replenishing glycogen but might be more than needed for those watching their sugar intake. With 1 gram of creatine added, it also supports strength and power during workouts, and the inclusion of 14 vitamins and minerals is a nice bonus for overall health.

The rich chocolate flavor is generally well-liked and it mixes easily, making it convenient to blend into shakes or recipes like pancakes and protein bars. However, the container only offers 16 servings, which could feel pricey given the size and frequency of use typical for mass gainers. This mass gainer suits active adults seriously focused on muscle growth and who need a substantial calorie boost, but casual users or those with lighter calorie needs might find it too dense.

Optimum Nutrition Serious Mass is a high-calorie mass gainer designed to help people who want to gain weight and build muscle. Each serving offers a substantial 1,250 calories, powered by 50 grams of protein mainly from whey, which supports muscle growth. It also provides over 250 grams of carbohydrates, which is good for fueling workouts and replenishing energy. The fat content isn’t specified in detail but is generally balanced for a weight gainer.

One nice touch is the inclusion of 25 vitamins and minerals, plus added creatine and glutamine for muscle recovery and immune support, enhanced by Vitamin C, Zinc, and Vitamin D. This makes it more than just calories – it supports overall health too. The vanilla flavor is a common favorite and tends to mix well, though users might want to blend it with fruits or nuts to boost calorie intake and taste variety.

On the downside, the product contains milk and soy allergens, which could be an issue for some. Also, it’s caffeine-free, so it won’t interfere with sleep or cause jitters. Note that the packaging can vary and the product is sensitive to heat, so customers should be home during delivery to avoid damage. If you are vegetarian and looking for a convenient, nutrient-rich mass gainer with a strong calorie and protein profile, this is a solid choice. However, if you have allergies or want more detailed fat information, you might want to consider those factors before buying.

Dymatize Super Mass Gainer Protein Powder is designed to help those who struggle to gain weight and muscle mass. With a substantial 1280 calories per serving, this product is well-suited for those who need a high-calorie intake to pack on mass. It offers a significant 52 grams of protein, consisting of a blend of fast and slow-digesting proteins, which helps fuel muscles throughout the day and supports muscle recovery. The inclusion of 10.7 grams of BCAAs, including 5.1 grams of Leucine, further aids in muscle protein synthesis.

A notable 245 grams of carbohydrates per serving ensures sufficient energy for intense workouts and recovery periods. Additionally, the presence of 14 vitamins and minerals supports overall health and muscle recovery. The product is gluten-free, making it accessible for those with gluten sensitivities. It is available in a rich chocolate flavor, which is reported to mix easily and taste delicious, enhancing the user experience.

However, the high caloric and carbohydrate content may not be suitable for those looking to manage their weight or limit their carb intake. With only 8 servings per container, some users might find it less economical depending on their usage frequency. Nonetheless, Dymatize Super Mass Gainer is a powerful option for individuals aiming to increase their mass effectively.