Among the six varieties compared, navy beans are the beans highest in fiber, providing about 9.6 grams per half cup cooked, followed by pinto and black beans.
Essential Concepts
Compare equal cooked portions; check labels for canned beans.
Related reading:
https://nutritionsource.hsph.harvard.edu/food-features/beans-and-legumes/
https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/fiber/art-20043983


