Here is an in-depth and informative introduction to dietary fibers and food supplements, elaborating on their uses and benefits in the prevention and treatment of such health issues and diseases as diabetes, obesity, coronary heart disease, colorectal and other types of cancer, and gut health. The book also discusses the formulation-based approaches for the delivery of food supplements and dietary fibers as well as the use of botanicals in dietary supplements and fibers. The chapter on regulatory guidance of food supplement and dietary fiber discusses the current statutes and regulations addressing dietary ingredients, manufacturing standards, safety, labelling, and claims. The book explains how dietary fibers and food supplements work to maintain gut health, addressing such issues as constipation, loose stools, inflammatory bowel diseases, hiatal hernias, gastroesophageal reflux disease, Barrett's esophagus, diverticular disease, hemorrhoids, peptic ulcers, gastritis, celiac disease, gallstones, and colon cancer.