PROMAX Bar is scientifically formulated to help you with you muscle maintenance goal. Not only does each bar contain 21g of protein to support muscle development, it is also a convenient snack to have when on the go. High in protein: each promax bar contains 21g of protein to support muscle development and maintenance. Recommended for ages 18 years and over. Kcals per 100g: 345. Protein per 100g: 35.1g. Carbs per 100g: 29.6g. Sugars per 100g: 16.2g. 12 servings per pack.