The indigestible component of plant-based foods is dietary fibre, also known as roughage, and it is mostly present in fruits, vegetables, and whole grains. Dietary fibre is best known for its ability to relieve constipation in a variety of people, making it a highly helpful food choice for gut health. Along with improving cardiovascular health, it is also well known for its abilities to lower the risk of chronic diseases including type 2 diabetes.