Research
Micronutrients & recovery
High-fiber diets protect intestinal barrier integrity by upregulating tight junction proteins (ZO-1, occludin, claudin-3) via short-chain fatty acids (specifically butyrate), thereby reducing the risk of obesity and metabolic disorders.
Eating a diet rich in fiber helps your gut barrier stay strong by producing butyrate, which repairs the seals between gut cells. This reduces inflammation and lowers obesity risk. Start with moderate fiber to avoid bloating, and focus on fruits, vegetables, and beans.
GoodSupportsHIGH confidence
Butyrate, an SCFA and a byproduct of fiber has a protective role in the intestinal barrier via the activation of the Akt pathway that upregulates TJ protein claudin-3 expression... diabetic mice treated with butyrate have shown upregulation of TJ protein ZO-1 and occludin. It also modifies claudin-2 expression in vitro, thus suppressing cytokine-induced barrier dysfunction.
Why this rating
Supported by multiple studies in mice and cell lines showing consistent upregulation of TJs.
Source
Deciphering the complex interplay of obesity, epithelial barrier dysfunction, and tight junction remodeling: Unraveling potential therapeutic avenues
Sara K. Al-Marzooqi et al. · Obesity Reviews · 2024
narrative_reviewCited 22×
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