Dietary Fiber
Dietary Fiber Guide
Dietary fiber, often referred to as roughage or bulk, is a type of carbohydrate found in plant-based foods that the body cannot digest or absorb. Despite being indigestible, dietary fiber plays a crucial role in maintaining digestive health, regulating bowel movements, reducing the risk of chronic diseases, and promoting overall well-being. Understanding the importance of dietary fiber, identifying sources of fiber-rich foods, exploring the health benefits, and recognizing the impact of gene variants on fiber metabolism are essential aspects of optimizing nutrition and promoting digestive wellness.
Understanding Dietary Fiber
Dietary fiber encompasses a variety of plant-based compounds, including cellulose, hemicellulose, pectin, lignin, and resistant starch, that provide structural support to plants and contribute to their rigidity and texture. Unlike other carbohydrates, which are broken down into sugars and absorbed into the bloodstream for energy, dietary fiber passes through the digestive system largely intact, adding bulk to stool and aiding in the elimination of waste.
Types of Dietary Fiber:
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Soluble Fiber: Soluble fiber dissolves in water to form a gel-like substance in the digestive tract, which helps slow down digestion and promotes feelings of fullness. Soluble fiber is found in foods such as oats, barley, legumes, fruits, and vegetables.
