By Sascha McMeekin, Accredited Practising Dietitian, Owner and Principal Dietitian at Prosper Dietetics Dietary fibre is an indisputably essential part of a healthy diet, but not all fibre is equal. Three key characteristics define it's effect on the gut: solubility, viscosity, and fermentability. The exact therapeutic dosing for specific gastrointestinal issues is still being researched, however, your IBS Dietitian can help you modify your intake based on whether they are pr