Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Polyphenols are a diverse group of naturally occurring compounds found in plant-based foods such as fruits, vegetables, tea, and cocoa. Their role in supporting or treating constipation, particularly in children, is increasingly supported by scientific research, though the evidence is moderate rather than robust. Polyphenols can influence gut health through several mechanisms: they modulate the gut microbiota, promote the growth of beneficial bacteria, and increase the production of short-chain fatty acids (SCFAs), which are associated with improved bowel motility and stool consistency. Clinical studies have shown that certain polyphenol-rich foods (like prunes and kiwifruit) can help alleviate constipation in both adults and children, likely due to a combination of polyphenols, fiber, and sorbitol content. For example, prunes contain high levels of polyphenols and have been found to be effective in improving stool frequency and consistency in pediatric populations. However, it is often challenging to isolate the effect of polyphenols from other components in these foods. Some intervention studies and reviews suggest a beneficial effect, but larger, high-quality randomized controlled trials specifically in children are still limited. Therefore, while there is a moderate level of scientific evidence supporting the use of polyphenol-rich foods in managing constipation in children, further research is needed to define the specific contributions of polyphenols apart from other dietary factors.

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