Synopsis

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

Kaolin, a naturally occurring clay mineral, has a long history of traditional use for gastrointestinal complaints, including gas and bloating. Its use dates back to ancient medicine in cultures such as China and parts of Africa, where it was commonly ingested as a remedy for digestive issues. Kaolin acts as an adsorbent, meaning it can bind to substances in the gut, such as toxins, bacteria, and excess gas, potentially providing symptomatic relief from bloating and mild gastrointestinal discomfort. In the early to mid-20th century, kaolin was a common ingredient in over-the-counter anti-diarrheal and digestive remedies, often combined with pectin. However, scientific validation for kaolin’s effectiveness specifically for gas and bloating is limited. Most clinical research has focused on its use in treating diarrhea, with mixed results, and there is little high-quality evidence supporting its use for bloating or flatulence. Regulatory agencies in some countries have restricted or withdrawn approval for kaolin-containing products due to insufficient evidence of benefit and potential risks, especially with prolonged use. In summary, while kaolin’s use for gas and bloating is primarily based on traditional practice and historical precedent, robust scientific evidence is lacking.

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