What’s The Difference Between Probiotics, Prebiotics? Dietitian Explains

 The difference between probiotics and prebiotics comes down to what they are and how they function in your gut:

Probiotics

• What they are: Live beneficial bacteria (and sometimes yeasts).

• Purpose: Help maintain or restore a healthy balance of gut bacteria.

• Sources: Found in fermented foods like yogurt, kefir, sauerkraut, kimchi, miso, and some supplements.

• Benefits: May improve digestion, boost immunity, and reduce symptoms of some gut disorders like IBS.

Prebiotics

• What they are: Non-digestible fibers that feed beneficial gut bacteria.

• Purpose: Support the growth and activity of good bacteria already in the gut.

• Sources: Found in high-fiber foods like garlic, onions, bananas, asparagus, leeks, oats, and chicory root.

• Benefits: Can improve gut health, support regular bowel movements, and enhance calcium absorption.

A Dietitian’s Take:

Think of prebiotics as fertilizer for your gut garden, and probiotics as the seeds you plant. A healthy gut needs both — live cultures (probiotics) and the right fuel (prebiotics) to help them thrive.