10 Best Mass Gainers 2025 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 Vegan Mass is a plant-based weight gainer designed for those looking to add calories and protein cleanly, without artificial additives. Each serving provides 1,230 calories, making it excellent for people who struggle to consume enough energy to gain weight. With 40g of protein sourced from a blend of pea and rice proteins, it offers a complete amino acid profile that supports muscle growth effectively. The carbohydrate content is high at 245g per serving, using gluten-free tapioca maltodextrin as a clean source of complex carbs, which is a better choice than wheat-based carbs for those avoiding gluten.

Fat content is low, coming mainly from organic coconut sugar, which keeps the formula simple and focused on gaining lean mass. The product does not include digestive enzymes, which might affect digestion for some users when consuming such a dense shake. The vanilla flavor is mild and easy to mix, allowing you to customize shakes with fruits or other ingredients to suit your taste. While it is free from soy, gluten, dairy, and GMOs, the flavor options are limited to vanilla only.

This product is ideal for vegans and vegetarians who want a clean, high-calorie supplement without artificial ingredients and works best when combined with a solid weightlifting routine for muscle gain.

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.