Question

in order to specifically increase insoluble fiber intake, which of the following would be good choices? from these four options, select three foods that are good sources of insoluble fiber.

Explanation:

Popcorn, oatmeal, and whole - grain products (like what a whole - grain muffin is made from) are good sources of insoluble fiber. Nuts contain some fiber but are not as rich in insoluble fiber as the other three in the context of this question.

Answer:

Popcorn, Oatmeal, Whole - grain muffin