10 Best Mass Gainers 2026 in the United States

Naked Mass is a natural weight gainer protein powder designed to help individuals increase their calorie and protein intake efficiently. With 1,250 calories per serving, it is ideal for those struggling to gain weight. Each serving contains 50g of protein and 252g of carbohydrates, highlighting its high-calorie content essential for bulking up. The protein blend includes fast-release whey and slow-digesting casein, offering a sustained protein release that supports muscle synthesis over time.

The product is free from artificial sweeteners, flavors, and colors, making it a clean option with only three ingredients: Naked Whey, Naked Casein, and organic maltodextrin from tapioca. It's also non-GMO, gluten-free, and soy-free, catering to individuals with dietary restrictions. Additionally, it includes 11.5g of BCAAs per serving, which are crucial for muscle recovery and growth. Its unflavored nature makes it versatile for mixing into various shakes and recipes without altering taste.

The lack of added digestive enzymes might be a downside for those who experience digestive issues with high-calorie supplements. Additionally, with only 11 servings per 8-pound container, it may not be the most economical option for long-term use. Despite these drawbacks, Naked Mass stands out for its clean ingredient profile and high nutritional value, making it suitable for individuals focused on weight gain and muscle building.

Naked Vanilla Naked Mass is a weight gainer protein powder designed specifically for adults looking to increase their caloric intake and gain weight. One of its primary strengths is its simplicity and purity, containing only three ingredients: Naked Whey, Naked Casein, and Organic Maltodextrin. This formula is free from artificial sweeteners, flavors, colors, GMOs, soy, and gluten, making it an appealing choice for those with dietary restrictions or those looking for a clean supplement option.

Each serving provides a substantial 1,250 calories, 50 grams of protein, and 252 grams of carbohydrates, which are essential for muscle growth and recovery. Additionally, it includes 11.5 grams of BCAAs to support muscle synthesis and recovery. The use of both fast-digesting whey and slow-digesting casein proteins ensures sustained protein availability, which is beneficial for prolonged muscle protein synthesis. Another advantage is the use of gluten-free organic tapioca maltodextrin as a carbohydrate source, which is a healthier alternative to wheat-based maltodextrins found in many other mass gainers.

The product is versatile and can be easily incorporated into various recipes, making it convenient to consume. However, there are some potential drawbacks. The serving size is quite large, which may be overwhelming for some users. Additionally, the high caloric and carbohydrate content means it might not be suitable for those who are looking for a moderate calorie intake. Lastly, the mixability and flavor might not be to everyone's liking, despite being vanilla-flavored. The product's premium positioning also means it may be more expensive compared to other mass gainers on the market.

Dymatize Super Mass Gainer is designed for people looking to gain muscle and add serious calories to their diet. Each serving packs a hefty 1,280 calories, which is great if you struggle to eat enough food throughout the day. It offers a strong protein punch with 52 grams per serving, coming from a blend of whey, isolate, and casein proteins. This mix helps support muscle growth and recovery over time. The carb content is also quite high at 245 grams per serving, which fuels your workouts and helps with weight gain.

One nice addition is 1 gram of creatine per serving, known to boost strength during training, along with several essential vitamins to support overall health. Flavor-wise, the Gourmet Vanilla is well-liked, and it mixes easily into shakes or recipes like pancakes and protein bars, which makes it versatile for different tastes. With only 16 servings per container, the cost per serving may be on the higher side for some. Also, it contains milk and soy allergens, so it’s not suitable for everyone.

This mass gainer is suitable for adults who need a convenient and calorie-dense option to bulk up, especially if you have trouble consuming enough calories through regular meals.