Module 1: Digestion

Welcome to the foundational module of our Nutrition course! You’ll explore the digestive process—from first bite to nutrient absorption—and understand why a healthy gut impacts your physical and emotional well-being.

Why This Module Matters

Understanding digestion is key to mastering nutrition. This module equips you to support health through diet and gut wellness.

• Identify organs responsible for converting food to fuel.
• Learn about the microbiome and its influence on immunity.
• Understand the immune system’s role in digestion.
• Discover the gut-brain axis and its impact on well-being.

By the end of Module 1, you’ll see how digestion affects overall health and energy.

What You’ll Learn

• Digestion & Absorption
  How nutrients move through the body and the role of enzymes in each stage.
• The Role of Fiber
  How soluble and insoluble fiber influence gut function and metabolic health.
• Microbiota and Immunity
  How gut microbes protect against disease and support the immune system.
• Gut–Brain Connection
  The science behind how digestive health affects energy, focus, and mood.

What You’ll Do

• Explore Digestive Organs
  See how each organ contributes to breaking down food.
• Understand the Microbiome
  Investigate the gut ecosystem and its health impacts.
• Examine the Immune System
  Discover interactions between digestion and immunity.
• Learn the Gut-Brain Connection
  Understand how gut health affects mood and well-being.

Module Content

Module 1 covers everything you need to understand digestion:

• Introduction
• Mouth, Tongue, Salivary Glands, Pharynx, Esophagus
• Stomach
• Small Intestine & Villi
• Liver & Gallbladder
• Pancreas
• Large Intestine
• Constipation & Diarrhea
• Microbiota
• Leaky Gut
• Gut & Immune System
• Inflammation: Acute & Chronic
• Gut-Brain Axis
• Neural Network & Neurotransmitters
• Stress & Digestion
• Natural Digestive Aids
• Prebiotics & Probiotics
• Phytic Acid
• Digesting Legumes, Grains & Nuts
• Benefits of Bone Broth

Module Outcomes

By completing Module 1, you will:

• Understand digestion from first bite to nutrient absorption.
• Recognize the microbiome’s role in immunity and health.
• Appreciate the gut-brain connection and its impact on mood.
• Identify natural aids that support healthy digestion.

Guidance Every Step of the Way

Our expert nutrition tutors will guide you through digestive anatomy, the microbiome, and gut-brain interactions. They provide practical feedback, clarify complex concepts, and help you confidently apply this foundational knowledge to nutrition and gut health practices.