Gut health explained: what science says vs. viral TikTok trends

The hashtag #GutTok has surpassed 6 billion views on TikTok, while the global digestive health product market is valued at over $60 billion. Viral trends promise to "hack your gut" through supplements, cleanses and restrictive diets, but experts warn many lack scientific backing. Gut health is a complex topic centred on the microbiome that cannot be reduced to a single product or diet.