Beast yourself massive beast is a high calorie weight gainer that has been designed for anyone who is a hard gainer and wants to add that extra mass and get them extra calories inr beast yourself massive beast contains 1090 calories 60g of protein 15g of bcaas 12g of glutamine and a whopping 172g of carbohydrates per serving it contains only 66g of sugar also which is perfect for adding good caloriesr many people find it difficult to add calories into your diet especially when itrsquos