Dymatize Elite Mega Gainer is a high calorie mass gainer supplement designed to help users gain weight and build muscle mass. It provides 1,250 calories per serving along with 50g of protein and 250g of carbohydrates from simple and complex sources. Mega Gainer uses a blend of protein sources including whey protein concentrate, calcium caseinate, milk protein isolate and egg albumin to support muscle growth and recovery when used as part of a regular exercise program.