do walnuts and pecans cause constipation
5. Nuts are a filling food that is also packed with fiber to help ease constipation. 1  Almonds, pecans, and walnuts have more fiber than other nuts. 2  Just 1 ounce of almonds (about 23 nuts) contains 3.5 g fiber, 1 ounce of pecans (about 19 halves) contains 2.7 g fiber, and 1 ounce of walnuts (14 halves) has 1.9 g fiber.