How many calories are in Soy Protein Powder?

Raw soy protein powder contains around 4 calories per gram of protein. The overall calorie count can rise in soy protein powders depending on the purity of the product and any included additives, especially sugar! For the lowest calories you should select a soy protein powder with little or no fat or carbs. Check the nutrition label for details. You should take away any dietary fiber or sugar alcohols from the total carb count to find your net carb figure. These net carbs in soy protein powder should be as low as possible.