Can Pineapple Be a Unique Remedy for Constipation? Get Accurate Information Before Relying on This Fruit for Better Digestive Health. Constipation – An Overview Common causes of constipation include a low-fiber diet, a sedentary lifestyle, dehydration, ignoring the urge to defecate, certain medications, and more. Incorporating pineapples into your diet or consuming fresh pineapple juice ...