Slim Pasta Penne for Keto diet and Weight Loss Slim Pasta Penne is made from a blend of Konjac flour and Tapioca that gives Slim Pasta Penne a resembling texture and bite to ordinary penne, but with far less carbohydrates. Slim Pasta Penne helps you lose weight by reducing the amount of calories and carbohydrates from your meal. Slim Pasta Penne is Low in Calories, Gluten-Free, Fat-Free, Sugar-Free and Wheat-Free and Vegan and Keto diet friendly.