Digestive enzymes are crucial for breaking down carbohydrates, proteins, and fats into absorbable units. Disorders in this process can lead to malabsorption and related diseases. This book examines the role of enzymes like amylase, protease, and lipase in digestion. It discusses clinical conditions like lactose intolerance and pancreatic insufficiency. Therapeutic uses of enzyme supplements and dietary adjustments are also covered, making it a valuable guide for healthcare professionals.