Nasoya® Pasta Zero Shirataki Fettuccine. Fortified with iron. Low calories. Gluten free. Vegan. 0 Fat. 0 Egg. 0 Dairy. Per serving: 15 Calories. 4g Carbs. Shirataki, or "white waterfall" pasta has been enjoyed as a health food in Asia for over 1000 years. Made from the root of the konjac plant (sometimes called a Konnyaku potato), shirataki is composed of soluble fiber (glucomannan) which provides a slightly firmer texture that wheat pasta and significantly less calories and carbohydrates. Dieters also tout that shirataki pasta helps to keep you feeling full longer. Find inspiring recipes at our Nasoya website. Compare (per serving): Calories ... Carbs. Patsa Zero 15 ... 4g. Regular Pasta 220 ... 43 g. Perishable. Call: 1-800-328-8638. Visit: www.nasoya.com.