What is Nutrition
Nutrients
Macronutrients
Micronutrients
Fiber and Phytochemicals
Healthful Eating
Three Guides to a Healthful Diet
Dietary Reference Intakes
Food Labels
Overview of the Digestive System
The Gut Microbiome
Organs of the Gastrointestinal Tract
Accessory Organs
Nutrient Absorption and Transport
Disorders of the Digestive System