With zero sugar and at only 8 calories per pack zero penne are largely composed of soluble plant fibre its believed zero penne aid weight loss further research has also shown that this specific fibre can help lower cholesterol levels and reduce blood pressure zero penne are an alternative to heavy calorie filled penne pasta so that you can still enjoy italian pasta dishes whilst losing weight zero penne are relatively tasteless as is regular pasta and absorb the flavour of the food and