2, 100 grams of konjac has only 5 calories, which can basically be called zero calories. It is indeed a good food choice for dieters. Moreover, although konjac is low in calories, it is very nutritious. It is found that 100g konjac contains about 2.6g of protein, and the fat is only 0. 13g. Crude protein contains 17 essential amino acids, and also contains unsaturated fatty acids such as oleic acid and linolenic acid, which are eaten by dieters. Moreover, there are many ways to eat konjac, so you can choose your favorite cooking method to eat it. But the konjac snacks sold are actually not zero-calorie snacks, because many additives are added.