Walnuts themselves are not very high in calories, and can be beauty, tonic, brain, eat only 4-7 grains a day, will not lead to fat. If you really like to eat walnuts, the first day to eat 11-15, the next day only eat 3-5, do not want to get fat, or 4-7 per day to eat, but eat walnuts is best to eat breakfast 1 hour later to eat, this time is the best!
2, walnuts contain more fat, so eat too much at once, will affect digestion, in general, the weight of walnuts every day to take, should be in the 20-40 grams or so, equivalent to about four or five walnuts.