Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Polyphenols are a diverse group of naturally occurring compounds found in plants, such as fruits, vegetables, tea, coffee, and red wine. Their use for gas and bloating is supported by a growing body of scientific evidence, albeit mostly preliminary and indirect. Polyphenols are not directly studied as a primary treatment for gas and bloating, but their effects on gut health and the microbiome provide plausible mechanisms for relief.

Several studies have demonstrated that polyphenols can modulate the composition and activity of the gut microbiota, promoting the growth of beneficial bacteria and inhibiting potentially harmful species. For instance, certain flavonoids and phenolic acids are known to increase populations of Bifidobacterium and Lactobacillus, which are associated with improved digestion and reduced gas production. Additionally, polyphenols possess anti-inflammatory properties that may help reduce gut irritation, another contributor to bloating.

However, direct clinical trials evaluating polyphenols for gas and bloating in humans are limited, and most evidence comes from animal studies or research focused on broader gastrointestinal health. Some individuals may actually experience increased bloating when consuming high-polyphenol foods due to fermentation by gut bacteria. In summary, while there is some scientific rationale and emerging evidence for the use of polyphenols in supporting gut health and potentially reducing gas and bloating, high-quality human studies specific to this condition are still needed. The evidence supporting their use for this purpose is rated as moderate but not definitive.

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Products containing polyphenols

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