Best High-Calorie Weight Gainers of 2026

Optimum Nutrition Serious Mass Weight Gainer Protein Powder is a high calorie weight gainer that is formulated to provide immune support with vitamin C, zinc, and vitamin D. Each 2-scoop serving contains 1,250 calories, 50 grams of protein, over 250 grams of carbohydrates, and 25 vitamins and minerals, as well as creatine and glutamine. The packaging may vary, but the quality of the product remains the same. For optimal results, users can add fresh or frozen fruits, peanut butter, nuts, and other calorie-dense foods using an electric blender to boost their weight gain potential.

Optimum Nutrition Serious Mass Weight Gainer Protein Powder is designed to help you gain weight and fuel intense workouts. It contains 50 grams of protein and over 250 grams of carbohydrates per serving, providing 1,250 calories per 2-scoop serving. The product also includes 25 vitamins and minerals, as well as creatine and glutamine. Vitamin C, Zinc, and Vitamin D are added to provide immune support along with Vitamin E. The product is versatile and can be used with other calorie-dense foods to enhance weight gain potential. The packaging may vary, but the quality remains the same.

Optimum Nutrition Weight Gainer is a high-calorie protein powder designed to help you gain weight. With 1,260 calories per 2-scoop serving, it provides a significant calorie boost to support weight gain. Each serving also contains 50 grams of blended protein, which helps to build and repair muscles. Additionally, the weight gainer is packed with over 252 grams of carbohydrates per serving, providing a source of energy for your workouts. What sets this product apart is its immune support benefits, thanks to the inclusion of 22 vitamins and minerals, including Vitamin C, Vitamin D, and Zinc. These nutrients help to strengthen your immune system. Finally, the weight gainer offers versatility, as you can easily customize it by adding fruits, peanut butter, nuts, or other calorie-dense foods using an electric blender. With Optimum Nutrition Weight Gainer, you can conveniently supplement your diet and reach your weight gain goals.

Optimum Nutrition Serious Mass Weight Gainer Protein Powder offers immune support with its blend of Vitamin C, Zinc, Vitamin D, and Vitamin E. With 1,250 calories per 2-scoop serving, 50 grams of protein per serving, and over 250 grams of carbohydrates per serving, it is an ideal high-calorie weight gainer for users looking to gain weight. Additionally, it contains 25 vitamins and minerals, as well as creatine and glutamine. The product comes in a new packaging design but maintains its trusted quality. Users can add calorie-dense foods like fruits, peanut butter, and nuts to boost their weight gain potential by using an electric blender.

NAKED Chocolate Mass is an all-natural weight gainer protein powder that provides maximum nutrition with only five ingredients. With 50g of protein, 251g of carbs, and 1,360 calories per serving, it is designed to support muscle growth and recovery. The multi-phase clean protein from whey and casein ensures a steady supply of amino acids throughout the day. This weight gainer also uses gluten-free organic tapioca maltodextrin, making it a clean source of complex carbohydrates. NAKED Chocolate Mass is not only perfect for protein shakes and smoothies, but it can also be added to various recipes like pancakes and cookies to boost calories and nutrition. Enjoy the convenience of a high-calorie, all-natural weight gainer with NAKED Chocolate Mass.

Muscletech Mass-Tech Extreme 2000, also known as Muscletech Mass-Tech, is a 5-in-1 hardcore mass gainer designed to help you put on extreme mass. With a whopping 80g of premium protein per serving, this mass gainer provides your body with all the necessary building blocks to build the size and muscle you desire. Whether you are looking to bulk up, pack on muscle, or break through strength plateaus, Mass-Tech Extreme 2000 has got you covered. Its powerful formula is specifically designed to help you achieve your fitness goals. With its high protein content, it supports muscle growth and recovery. Mass-Tech Extreme 2000 is the ultimate solution for individuals who want to take their muscle-building journey to the next level.

Naturade Weight Gain Drink Mix is an all-natural nutrition drink mix that helps you amplify your caloric intake. With 21 grams of carbs and 9 grams of protein per serving, it provides a convenient way to add 1600 calories to your daily diet. Whether you're looking to gain weight, build muscle, or recover from intense workouts, this drink mix can help you achieve your goals. The all-natural ingredients ensure that you're fueling your body with quality nutrients, while the high carb and protein content provide the necessary energy and building blocks for muscle growth. With Naturade Weight Gain Drink Mix, you can easily increase your caloric intake and support your fitness journey.

Optimum Nutrition Serious Mass is designed to help you gain weight effectively with over 1,200 calories in just two scoops, giving you the energy you need to build mass. It provides 50 grams of protein per serving, which supports muscle growth and recovery after workouts. You also get 250 grams of carbs to fuel your body and help replenish glycogen stores. Plus, it includes more than 20 vitamins and minerals, such as Vitamin C and Zinc, to help keep your immune system strong while you focus on gaining weight. This makes Serious Mass a solid choice for anyone looking to increase size and strength.

GNC Pro Performance Weight Gainer - Vanilla Ice Cream is a wellness formula designed to provide 50 grams of high-quality protein to increase mass. The formula is designed to release varied intervals throughout the day to ensure your muscles get the amino acids they need. It contains naturally occurring Branched Chain Amino Acids (BCAA) to help reduce muscle breakdown during exercise and medium chain triglycerides for fast, medium and slow releasing protein. Each serving contains 700 calories and 116g carbs to support your body composition goals.

The Optimum Nutrition Serious Mass is designed to help you gain weight efficiently with a powerful 1,250 calories per serving, making it easier to meet your daily calorie goals. Each serving provides 50 grams of protein, supporting muscle growth and recovery after workouts. It also contains over 250 grams of carbohydrates, giving you the energy needed for intense training sessions. Plus, this weight gainer includes 25 essential vitamins and minerals, along with creatine and glutamine, which support your overall health and help improve your workout performance. This makes the Optimum Nutrition Serious Mass a solid choice if you want a convenient and effective mass gainer.