Mass gainers, also called weight gainers, are high-calorie protein powders that pair protein with carbs, so one shake adds the calories of a full meal. They're a common pick for hard gainers and anyone in a bulking phase.
We carry Optimum Nutrition Serious Mass, BSN True-Mass 1200, Dymatize Super Mass Gainer, Mutant Mass, Evogen Super Huge and the Raw Nutrition x CBUM Mass Gainer. Want fewer calories per scoop? See whey protein and casein protein.