Low Carb Spaghetti for your health-conscious diet! One serving contains few calories, which makes it easy for you to prepare a low calorie meal. So, despite the low carb diet, you do not have to live without your favorite pasta, but you can always enjoy it. Super fast and easy: in just 2 minutes they are ready. For your low carb dishes, the noodles are made from glucomannan, which is a natural fiber from the konjak tuber.