Why do black beans have so much fiber?!
Answers: Thats just how beans are they have lots of different chemicals in them to make them high in fiber, they do that so people can disgust there food without buying a prescription.
uhhh.....I guess, 'coz God manufactured them that way.....
nobody knows why certain foods contain certain nutrition, we just know that they do.....
likewise, black beans do have a high fiber content and is good for the digestive system....