According to consultant dietitian Sophie Medlin, everyone takes their bowel for granted until something goes wrong.
With 20 years of experience in the NHS, academia, and private practice, Medlin, Chair of the British Dietetic Association for London, warns against "miracle fixes" that can do more harm than good.
From detox teas to gut 'cleanses', supermarket shelves and online wellness stores are stacked with products promising to transform your digestion.
Medlin highlights the importance of distinguishing between effective solutions and expensive distractions.
Author's summary: Expert advice on effective gut health solutions.