10 Best Mass Gainers 2025 in the United States

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.

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.

The NAKED Chocolate Mass Gainer is designed for individuals looking to bulk up and increase their calorie intake efficiently. With a substantial 1,360 calories per serving, it is ideal for those who struggle to consume enough calories through regular meals. The product boasts an impressive 50 grams of protein and 251 grams of carbohydrates per serving, which are essential for muscle growth and recovery. Additionally, it includes 11.6 grams of BCAAs, which support muscle synthesis and reduce fatigue during workouts.

The inclusion of only five natural ingredients—Naked Whey, Naked Casein, Organic Maltodextrin, Organic Coconut Sugar, and Organic Raw Cacao—ensures that the mass gainer is free from artificial sweeteners, flavors, and colors, making it a clean option for health-conscious users. Being gluten-free, soy-free, and GMO-free further adds to its appeal, especially for those with dietary restrictions. The product's versatility in making shakes, smoothies, and various recipes is a bonus for those who like to experiment with their nutrition.

However, some potential drawbacks include the relatively high sugar content (5 grams per serving) and the use of maltodextrin, which may not be ideal for everyone. Additionally, while the flavor and mixability are generally praised, taste preferences can vary. In summary, this mass gainer is a potent option for serious weight gainers who prioritize natural ingredients and high caloric intake.