We have heard a lot about how we should get plenty of fiber in our diet. It is good for us, right? But what exactly is fiber and why does it aid our health? What is the difference between soluble fiber and insoluble fiber? Is one better than the other? What foods are the best sources of fiber? And how much do we need each day? In this issue of Wellness Express™, we look more closely at fiber, the different types, and the research that supports its remarkable health benefits. Fiber 101 What exactly is fiber? It is a food substance, predominantly found in plants, that cannot be digested by humans. Most fiber materials would be classified as complex carbohydrates. Because it cannot be broken down and absorbed into our bloodstream, fiber moves through our intestines, helping to remove waste and toxins, before being excreted. Dietary fiber refers to foods with naturally occurring fiber. Functional fiber is fiber added to a food product to boost its content of this substance. Solu...