What are Prebiotics & Probiotics? Prebiotics are non-digestible dietary fibres that selectively nourish beneficial bacteria in the gut. By serving as fuel for these microbes, prebiotics support the production of short-chain fatty acids (SCFAs), such as butyrate, which play an important role in gut barrier integrity and metabolic health. Common prebiotics include: Fructooligosaccharides (FOS) Galactooligosaccharides (GOS) Xylooligosaccharides (XOS) Inulin Prebiotics are naturally found in foods such as onions, garlic, leeks, asparagus, chicory root, oats, legumes, and bananas. Probiotics are live