Nutrition: Dietary Management for Constipation in Older Adults Download PDF, 502KB, PDF Dietary modification should be the first approach to managing constipation. Dietary fibre can help in relieving constipation by: Increasing the weight and size of your stool Softening your stool Read the poster below for a general guide towards achieving adequate fibre in your daily diet. [Please download the PDF file if you are unable to view the image below.]