cause analysis
During the period of reducing fat, the recommended total calorie intake is lower than your target weight multiplied by 30Kcal, the calorie ratio of breakfast, lunch and dinner is 3:4:3, and the ratio of three major nutrients is 5:2.5:2.5.
Proactive suggestion
For example, if you weigh 70kg and want to reduce it to 60kg, your daily intake of 60 times 30 is at most equal to 1800Kcal, while each gram of sugar or protein provides 4Kcal and each gram of fat provides 9Kcal. The calories of your three meals are 540 kcal, 720 kcal and 540 kcal respectively.
The carbohydrate calories for breakfast and dinner are 540 times 0.5 equal to 270Kcal, and the mass is 270 divided by 4 = 67.5g The carbohydrate calories for lunch are 720 times 0.5=360Kcal, and the mass is 360 divided by 4 = 90g.