Eating xylitol can help freshen the breath and reduce the chances of dental caries, but if you often eat xylitol, it may lead to gastrointestinal discomfort and body fat. 1. The benefits of eating xylitol: (1) fresh breath: xylitol belongs to a natural sweetener, is extracted from oak, birch, corn cobs and bagasse and other plant materials, usually appropriate to eat some help fresh breath. (2) reduce the chance of dental caries: xylitol contains low sugar, some children love to eat sweets, it is easy to suffer from dental caries, this situation can be replaced by xylitol, help reduce the chance of dental caries. 2. The disadvantages of eating xylitol: (1) lead to gastrointestinal discomfort: if you usually eat too much xylitol, it is easy to increase the burden on the gastrointestinal tract, leading to gastrointestinal discomfort. (2) lead to obesity: so that xylitol contains sugar as well as calories is relatively low, but if often eaten too much, it may also lead to obesity. Usually eat xylitol need to control the amount, do not eat too much, so as not to cause adverse effects on the body.