California-based gastroenterologist Dr Saurabh Sethi outlined 10 physiological signs indicating a lack of adequate dietary fibre intake in daily meals.
Key symptoms include constant hunger soon after eating, post-meal blood sugar spikes, rising LDL cholesterol, and irregular bowel movements or straining.
Adults are advised to consume about 14g of fibre per 1,000 calories, increasing intake gradually alongside fluids to support gut health.