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Probiotics and Prebiotics: What Is the Difference?
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Probiotics and Prebiotics: What Is the Difference?

We often hear about the benefits of probiotics and prebiotics, but many do not understand the difference. Let’s explain the differences in simple terms.

Dr. Victoria
Article author

Dr. Victoria

Endoscopist

How do probiotics work?

Probiotics are strains of live bacteria and yeast that live primarily in the gut. They help rid the body of harmful bacteria and yeast so that the digestive system functions properly.

What are good sources of probiotics? Yogurt, kefir, sour milk, some kinds of cheese, cottage cheese, and kimchi contain probiotics. Probiotics are also available in the form of dietary supplements.

How do prebiotics work?

Prebiotics are components of food that are not digested in the upper gastrointestinal tract but help the human intestinal microflora by stimulating its growth and vitality. They are essentially food for probiotics.

Humans don't have the enzymes needed to break down these foods. Instead, bacteria in the gut break them down for energy, stimulat...

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October 28, 2025
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Probiotics and Prebiotics: What Is the Difference? - Ornament Community