2. Cranberry is a kind of berry with bright red skin, which grows on short vines. It is also called cranberry or cranberry. Dried cranberries are rich in cellulose, pectin and other ingredients. If you eat too much, it may increase the burden on the gastrointestinal tract and cause symptoms such as indigestion. Generally, the sugar content of dried cranberries is relatively high. Eating too much dried cranberries may lead to obesity. It is recommended to eat twenty or thirty tablets a day.