Synopsis

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

Polyphenols are plant-derived compounds found in foods such as fruits, vegetables, tea, and wine. There is a growing body of scientific evidence suggesting that polyphenols can support the health of the small intestine and overall gut function. Polyphenols have been shown to modulate the gut microbiota by promoting the growth of beneficial bacteria and inhibiting the proliferation of pathogenic species. For example, studies indicate that certain polyphenols, such as those found in green tea and cocoa, can increase populations of Lactobacillus and Bifidobacterium in the gut, which are associated with improved intestinal barrier function and reduced inflammation.

Additionally, polyphenols possess antioxidant and anti-inflammatory properties, which may help protect intestinal epithelial cells from oxidative stress and inflammatory damage. Research in animal models and limited human trials has demonstrated that polyphenol-rich diets can reduce markers of intestinal inflammation and enhance barrier integrity, potentially lowering the risk of gastrointestinal disorders.

However, while the preclinical data are promising and some small human studies support these findings, large-scale, well-controlled clinical trials are still lacking. Therefore, the evidence supporting the use of polyphenols for small intestine health is moderate but not conclusive, warranting a rating of 3.

More about polyphenols
More about Small Intestines

Other ingredients that support Small Intestines

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Products containing polyphenols

Nature's Sunshine Grapine With Protectors (SynerPro)
Nature's Sunshine Super ORAC
Nature's Sunshine Super Trio