Basics of nutrition·24 questionsWhat are probiotics and prebiotics?SaveUpdated: 2026-08-31Answer•Probiotics are beneficial bacteria.•Sources: yogurt, kefir, sauerkraut.•Prebiotics are food for bacteria.•Sources: onions, garlic, bananas, oats.•Support gut health.Ask AI to clarifyWas this answer helpful?HelpfulNot helpfulSuggest an improvement