Moderate consumption of konjac is generally not fat, because konjac belongs to the low-sugar, low-calorie food, does not easily lead to the accumulation of body fat, glucose. Each 100 grams of konjac contains 21 calories, of which 4.7 grams of carbohydrates, 0.2 grams of protein, 0.2 grams of fat, vitamin A15 micrograms, vitamin E0.6 milligrams, 0.2 milligrams of niacin, vitamin C8 milligrams, 21 milligrams of calcium. Konjac contains glucomannan is ingested after the rapid expansion in the body, can effectively control appetite, so that the body produces a sense of satiety, eliminate hunger, reduce other calories food intake. After eating konjac, as long as the other diet has to carry out the total calorie restriction, then as long as the total calories are controlled, even if you eat konjac will not cause weight gain. Of course, konjac after eating konjac, if the lack of physical exercise and no total calorie restriction, is to cause weight gain and can not play a weight loss effect.