Shirataki noodles comes from the root of the plant Amorphophallus Konjac also called Konnyaku potato. They come packed in a liquid which you can rinse off before cooking.
Shirataki noodles do not have a real taste on their own. Traditional shirataki noodles have zero calories, zero carbohydrate and zero gluten. The Tofu-based shirataki noodles however have a small amount of carbohydrates.
Shirataki noodles are great for low-carbohydrate diets and a diet of shirataki noodles can help you lose weight.