Question: is it ok to eat creamy peanut butter before colonoscopy?
Answer: Two to Three Days before Your Colonoscopy This means that you cannot eat: Whole grains: Including brown rice, whole grain breads and cereals, and high-fiber cereals and muffins. Nuts: Including peanuts, almonds, walnuts, chunky peanut butter, and breads or cereals that contain these or any other nuts.