Best Which Protein Powder Is Best for Weight Gain (2026)
The Optimum Nutrition Mass Gainer wins as the top pick for the best protein powder for weight gain due to its high calorie and protein content, making it an ideal choice for those looking to bulk up. How we picked: Our selection criteria include the protein powder's calorie and protein content, ingredients, and user reviews, with a focus on products that can help users gain weight in a healthy and sustainable way.1. Optimum Nutrition Mass Gainer
Optimum Nutrition Mass Gainer is a high-calorie protein powder that provides 1,250 calories, 252g of carbohydrates, and 50g of protein per serving, making it an excellent choice for those looking to gain weight. According to a study published in the Journal of the International Society of Sports Nutrition, consuming a mass gainer supplement can help increase muscle mass and strength.
Best for: individuals who want to gain weight and muscle mass quickly and are looking for a high-calorie protein powder.
- Pro: high calorie and protein content, ideal for bulking up
- Pro: contains complex carbohydrates for sustained energy
- Con: may be too high in calories for those with slower metabolisms
2. MusclePharm Combat Powder
MusclePharm Combat Powder is a blend of five different protein sources, including whey protein, casein protein, and egg protein, providing 25g of protein per serving. As noted by American College of Sports Medicine, a combination of protein and strength training can help build muscle mass.
Best for: athletes and bodybuilders who need a high-quality protein powder to support muscle growth and recovery.
- Pro: blend of different protein sources for sustained release
- Pro: contains branched-chain amino acids (BCAAs) for muscle recovery
- Con: may be more expensive than other protein powders on the market
3. NOW Sports Pea Protein
NOW Sports Pea Protein is a plant-based protein powder made from pea protein, providing 20g of protein per serving. According to a study published in the Journal of Food Science, pea protein can help promote muscle growth and satisfaction.
Best for: vegetarians and vegans who are looking for a high-quality plant-based protein powder.
- Pro: hypoallergenic and easy to digest
- Pro: contains all essential amino acids for muscle growth
- Con: may not be as high in calories as other protein powders
4. BSN True-Mass
BSN True-Mass is a mass gainer protein powder that provides 1,200 calories, 212g of carbohydrates, and 50g of protein per serving. As noted by Bodybuilding.com, mass gainers can help increase muscle mass and strength when combined with a proper training and nutrition program.
Best for: individuals who want to gain weight and muscle mass quickly and are looking for a high-calorie protein powder.
- Pro: high calorie and protein content, ideal for bulking up
- Pro: contains complex carbohydrates for sustained energy
- Con: may be too high in calories for those with slower metabolisms
5. Dymatize Super Mass Gainer
Dymatize Super Mass Gainer is a high-calorie protein powder that provides 1,300 calories, 245g of carbohydrates, and 52g of protein per serving. According to a study published in the Journal of the International Society of Sports Nutrition, consuming a mass gainer supplement can help increase muscle mass and strength.
Best for: athletes and bodybuilders who need a high-quality protein powder to support muscle growth and recovery.
- Pro: high calorie and protein content, ideal for bulking up
- Pro: contains complex carbohydrates for sustained energy
- Con: may be too high in calories for those with slower metabolisms
| Product | Calories per serving | Protein per serving | Carbohydrates per serving |
|---|---|---|---|
| Optimum Nutrition Mass Gainer | 1,250 | 50g | 252g |
| MusclePharm Combat Powder | 140 | 25g | 3g |
| NOW Sports Pea Protein | 120 | 20g | 2g |
| BSN True-Mass | 1,200 | 50g | 212g |
| Dymatize Super Mass Gainer | 1,300 | 52g | 245g |
