"Is it better to eat an apple before a meal or after?" Many people have this question. In fact, eating an apple before or after a meal has different effects, and it depends on the individual. First, eating an apple before a meal is beneficial for weight control. In daily life, you often hear the saying, "To be healthy, eat vegetables and fruits." This is not wrong in itself, but it often gives people the misconception that fruits, like vegetables, are very low in energy. This is not actually the case; the energy content of fruit is quite significant.
Take a medium-sized Red Fuji apple, for example. It weighs about 250 grams, with 85% being edible. It provides 45 kcal per 100 grams, and contains 9.6 grams of sugar per 100 grams (data from the "China Food Composition Table 2004 Edition"). The energy provided by such an apple is a simple arithmetic problem: the sugar content is about 20 grams, and the energy is about 96 kcal, equivalent to the energy from a small bowl of rice (about 100 grams)! This way, eating an apple before a meal is almost like eating a bowl of rice beforehand. How can you then eat a normal-sized main course, unless you stuff yourself? Additionally, apples are rich in dietary fiber. Soluble dietary fiber, in particular, acts like a sponge, absorbing water and expanding, which enhances the feeling of fullness.
The reason we feel hungry in our daily lives is usually because our blood sugar is low or our stomach is empty. Apples provide both energy and a sense of fullness, so eating one before a meal helps control food intake. If this reduces the amount of food you eat—be it a slice of cake, a piece of pork rib, or a fried chicken wing—it is very helpful for weight control!
Of course, besides apples, eating a bunch of grapes, a banana, or a handful of red dates before a meal are also beneficial for weight control.
Although eating an apple before a meal is good for weight control, it does not necessarily mean it will lead to weight loss. If your three meals are still as large as before, it also doesn't mean that "an apple is only good before a meal." If there is still room in your stomach after a meal that allows you to easily eat an apple without feeling stuffed, then eating it after a meal is also perfectly fine. Or, if some people consider the apple as part of a meal, that is also fine.
Personally, my general practice for eating apples and most other fruits is to eat them after a meal, or more precisely, as a snack between meals (for example, around 10 a.m. or 3 p.m.). Because my own appetite is small and my weight is normal, I need to eat more other foods during my main meals to increase my energy and nutrient intake. Therefore, I rarely eat apples before a meal so as not to reduce my appetite; I also don't eat fruit immediately after a meal, or I would feel too full. Therefore, having an apple as a snack between meals is particularly suitable for me, and it also helps supplement the day's nutrients and energy.
It seems that the question of "whether to eat an apple before or after a meal" depends on the individual. As for when to eat other fruits, it also depends on each person's specific situation and cannot be generalized.