Identifying a food you react to can be more challenging, since it's possible to have reactions that occur one to two days after eating something. In addition, when we eat a food frequently, we often cannot recognize the symptoms it causes, since we're too used to them to identify them.
Fiber is very important to health, digestion and weight loss. But there's no need to rush out and buy a chalky powder or supplement to increase your fiber intake. It's just as easy to obtain fiber through food, and so much tastier!