In order to control their weight, many people choose to eat fat-free food. Some people think that if the food they choose is labeled as "low calorie", it must mean that they have not gained weight and will be healthier if they eat it. But is it true? Nowadays, in order to win people's hearts, many food businesses have introduced sugar-free and fat-reducing products. Diet coke and zero-calorie soda make friends who love sweets and want to lose weight irresistible. I wonder if you have noticed the zero-calorie and zero-fat food in the supermarket counter? However, is zero calories and zero fat really zero calories? The nutrients contained in food include carbohydrates, lipids, protein, minerals, vitamins and water. Among them, carbohydrates, fats and protein can be oxidized in the body to generate energy, so they are called productivity nutrients.

According to the regulations of the Department of Health, if zero calories are marked, it means that the calorie content per100g or per100ml shall not exceed 4 calories; If low calorie is marked, it shall not exceed 40 calories. If the packaged food is marked as sugar-free, the sugar content per 100 g or per 100 ml shall not exceed 0.5g；; If the label is low in sugar, it must not exceed 5 grams, so no sugar or low in sugar does not mean that the calorie is 0.

Fat only means the amount of fat in the drink, and it cannot be equated with health. The influence of beverage on health depends on whether the beverage contains other ingredients such as energy. Therefore, 0 fat is not equal to 0 calories. If it contains carbohydrates and added sugar, it also contains energy. Therefore, even foods marked with zero calories should be in moderation. In fact, real zero-calorie food, even negative-calorie food, does not exist. However, there are still many foods that can make us full, and they are low in calories and rich in nutrition. We call it low-calorie food. The following deep space series will introduce several kinds:

0 1, water is almost the only substance with zero or even negative heat. Especially ice water, every 6-8 cups of ice water/cold water, you will consume about 10 kcal. If you drink 6-8 glasses of ice water every day, you can consume about 3600 kilocalories a year, which is equivalent to losing about 0.5 kg. Therefore, drinking more water really helps to reduce fat. Suppose you drink 12- 15 cups a day, and you can lose weight 1 kg if you drink water for one year.

02, celery, 100 grams of celery is about 16 calories, containing 2 grams of dietary fiber, which can well satisfy satiety. At the same time, celery contains 260 mg of potassium per 100 g, which can prevent/improve edema and is one of the first choice foods for weight loss and beauty.

03, cucumber, per100g cucumber is about 12 kcal. It is worth mentioning that malonic acid contained in cucumber can prevent sugar from being converted into fat!

04. The water content of lettuce is as high as 95%! The calorie per 100g of lettuce is only 15kcal. Secondly, the stems and leaves of lettuce contain a kind of lettuce element, which tastes slightly bitter and has the function of lowering cholesterol and relieving pain. Moreover, mannitol in lettuce can promote blood circulation and diuresis.

05. Tomatoes, the calorie per 100g of tomatoes is about19kcal, which is a standard ultra-low calorie food. Tomatoes are rich in water, which not only quenches thirst, but also fills the stomach. It tastes sweet and sour, and it is a must-have food for many friends during fat reduction.

Oatmeal, 100g Oatmeal has 367 calories. Oatmeal is rich in vitamins, a small amount of calcium and a high content of protein, which often makes people feel full and hungry after eating, thus reducing calorie intake. Therefore, oats have always been considered as the best fat-burning food, and nearly 99% dieters are eating them. In addition, oats also have the medical value and health care function of lowering blood pressure and cholesterol, preventing and treating diseases such as colorectal cancer and heart disease, and have been recognized by medical circles at home and abroad.

07, broccoli, 100 grams of broccoli calories 33 calories, its water content accounts for more than 90%, the calories are extremely low, just to fill the stomach, will not make people fat.

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