1. There are no negative calorie foods. As long as it's food, it has calories. The lowest calorie substance in the world is water. 2. Drinking juice is not the same as eating fruit. It takes a lot of fruit to squeeze out a glass of juice. There's a lot of fructose, and it has filtered fiber. Drinking too much will only make you fat. 3. Foods such as sugar-free diet cookies may not necessarily help you lose weight, and they are still high in carbohydrates. 4. “Sugar-free” does not mean no added sugar. Prepackaged foods with less than 0.5g of added sugar per 100g or 100ml can be claimed to be sugar-free. 5. Zero-fat foods are not necessarily low in calories. Often, sugar can be added to optimize flavor and thus increase calories. 6. Sugar substitute drinks are not necessarily healthy. Although they have no calories, they are still addictive and you won't be able to kick your sugar addiction. 7. Vegetable chips are not a health food. In order to make them taste good, a lot of oil, salt, etc. are added, so the calories are much higher than natural vegetables, but the nutritional value is very low. 8. Enzymes are enzymes. Many of them are in the human body. Drinking enzymes won't make you thinner, prettier, or easier to digest. 9. Sugar-free cookies are not necessarily sugar-free. The merchant may say "no added sucrose", but they may add maltose, honey, fructose syrup, etc. 10. Pig trotters and other bone collagen will not make you beautiful. Collagen is a macromolecular protein. Like other proteins like eggs, it is eventually digested into amino acids. Eating too much will only make you fat. ? 11. There are many types of yogurt. In the national standards, yogurt, fermented milk, flavored yogurt, and flavored fermented milk all belong to yogurt. 12. Not all yogurt is suitable for weight loss. Some flavored yogurts or flavored cultured milks are higher in added sugar than some carbonated drinks. 13. The only yogurts that are really useful for weight loss are milk and probiotics. 14. Zero-fat yogurt is not necessarily low in calories. Businesses may optimize the taste by adding large amounts of sugar, so it's high in carbs and calories. 15. Real yogurt needs to be stored in the refrigerator. Yogurt stored at room temperature is not yogurt. 16. The whole wheat bread you eat might be fake. If the first 3 ingredients on the list are oil, sugar, or wheat flour, that's fake whole wheat bread. 17. If you want to buy real whole wheat bread, look at the ingredient list first. The first is whole wheat flour (very verbatim), the added amount is not less than 50, less oil and less sugar. Only qualified whole wheat bread. 18. The calorie difference between whole wheat bread and white bread is similar or even higher, but it is rich in dietary fiber and will make you feel fuller. This is the benefit of whole wheat bread. 19. Oatmeal is not necessarily healthy, especially oatmeal with a lot of sugar and flavored nuts and dried fruits. The calories are higher than steamed buns and rice of the same quality. The healthiest oatmeal is pure oatmeal without any additives. 20. Soy milk, coconut milk and almond milk are commonly known as plant milks, but soy milk is preferred. In addition, in order to achieve a thick milk texture, merchants may add additives such as carrageenan. 21. Lactobacillus drinks have limited effect on promoting digestion. Many of these are drinks high in sugar and carbohydrates. If you want to digest well, you should eat more natural fruits and vegetables to save labor and money and not gain weight.