HealthAugust 16, 2026

prebiotic

pree-bye-AH-tik

Definition

A type of dietary fiber that serves as fuel for beneficial bacteria in the gut, promoting a healthier digestive system.

Etymology

Derived from the Greek 'pre-' meaning 'before' and 'biotic' relating to life, the term emerged in the late 20th century to describe non-digestible food components that support the growth of healthy intestinal microorganisms.

In the news

The article uses the term to describe the specific type of fiber in avocados that feeds beneficial gut bacteria, contributing to a healthier and more balanced gut microbiome.

What Happens to Your Body When You Eat Avocado Every Day, According to Nutrition Experts

Read the full article ↗

Martha Stewart

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