
Probiotics and Prebiotics: What They Do and What Evidence Shows
Probiotics and prebiotics work differently in the gut. Learn their potential benefits, evidence, safety concerns and how to assess products.

Probiotics and prebiotics work differently in the gut. Learn their potential benefits, evidence, safety concerns and how to assess products.

Digestive health depends on coordinated movement, digestion, nutrient absorption, gut microbes, fluid balance and comfortable bowel function.

The gut-brain axis links digestion and the brain through neural, hormonal and immune pathways, while the microbiome may add another signalling layer.

The gut microbiome supports digestion, immunity and pathogen resistance, but there is no single perfect microbiome or universal gut health test.

Fibre reaches parts of the digestive system that most carbohydrates do not. Once there, some fibres hold water and add bulk, while others become fuel for gut microbes and generate…

Fibre reaches parts of the digestive system that most carbohydrates do not. Once there, some fibres hold water and add bulk, while others become fuel for gut microbes and generate…