This is a natural treatment for diarrhea and constipation. Psyllium husk is one of the few fibers proven to help all types of IBS — constipation-predominant, diarrhea-predominant, and mixed type. It’s been clinically studied to improve stool regularity, normalize bowel movements, and even reduce abdominal pain and bloating when introduced slowly. Psyllium works like a gut stabilizer — it absorbs excess water when things move too fast and adds hydration and bulk when things slow down. Start with