Soluble fiber-rich foods Black beans, kidney beans and navy beans are especially high in soluble fiber, while legumes such as peanuts and peas are high in both soluble and insoluble fibers. Flaxseeds have the highest amount of soluble fiber found in seeds, with 1.1 grams of soluble fiber in 1 tablespoon. Psyllium is a popularContinue reading “Soluble fiber encapsulates bad fats and sugar out of your body”