Fats have important functions in the body. There are three types of natural fats found in foods. These are monounsaturated, polyunsaturated, and saturated fats. Another type of fat is trans fats. This book brings together research in this area.

Carbohydrates are present in food comprising of digestible sugars and starches and indigestible cellulose and other dietary fibres. The former are the major source of energy. This book examines and presents research of the complexity, effects and nutrition