topicPrebiotic Gut Health Meta-Analysis
claimReduced SCFA production is consistently observed in metabolic and inflammatory disorders [], whereas interventions that increase SCFAs improve metabolic outcomes in both animal and human studies [].
evidence level1
citationAlshatari Sumaya (2026)
sourceEffects of Polyphenol Supplementation on Gut Microbiota Composition and Fecal Short-Chain Fatty Acids: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
topicPrebiotic Gut Health Meta-Analysis
claimEpidemiological studies link higher polyphenol intake to reduced risk of chronic diseases [], traditionally attributed to antioxidant and anti-inflammatory properties [].
evidence level1
citationAlshatari Sumaya (2026)
sourceEffects of Polyphenol Supplementation on Gut Microbiota Composition and Fecal Short-Chain Fatty Acids: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
topicPrebiotic Gut Health Meta-Analysis
claimCurrent mechanistic evidence is largely predicated on in vitro and animal models, with a notable scarcity of synthesized data from human randomized controlled trials (RCTs) [,].
evidence level1
citationAlshatari Sumaya (2026)
sourceEffects of Polyphenol Supplementation on Gut Microbiota Composition and Fecal Short-Chain Fatty Acids: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
topicPrebiotic Gut Health Meta-Analysis
claim1 2 3 4 The human gastrointestinal tract harbors a dense, diverse microbial ecosystem of approximately 10microorganisms, collectively known as the gut microbiota [].
evidence level1
citationAlshatari Sumaya (2026)
sourceEffects of Polyphenol Supplementation on Gut Microbiota Composition and Fecal Short-Chain Fatty Acids: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
topicPrebiotic Gut Health Meta-Analysis
claim1 2 3 4 5 5 Metabolic dysfunction-associated steatotic liver disease (MASLD), formerly known as non-alcoholic fatty liver disease (NAFLD), has emerged as the most common chronic liver disorder worldwide and a critical component of the global metabolic disease pandemic (,).
evidence level4
citationZhao Yinan (2026)
sourceImpact of probiotics and prebiotics on glucose/lipid metabolism in metabolic dysfunction-associated steatotic liver disease: mechanisms and implications
topicPrebiotic Gut Health Meta-Analysis
claimRecent epidemiological evidence indicates that MASLD currently affects approximately 38% of the global adult population, with prevalence steadily increasing over the past decades as obesity and metabolic disorders become more widespread ().
evidence level4
citationZhao Yinan (2026)
sourceImpact of probiotics and prebiotics on glucose/lipid metabolism in metabolic dysfunction-associated steatotic liver disease: mechanisms and implications
topicPrebiotic Gut Health Meta-Analysis
claimIndividuals with metabolic risk factors, notably those with type 2 diabetes, demonstrate particularly elevated prevalence rates, with over 65% of diabetic individuals affected, and face an increased risk of progression to more severe disease phenotypes (–).
evidence level4
citationZhao Yinan (2026)
sourceImpact of probiotics and prebiotics on glucose/lipid metabolism in metabolic dysfunction-associated steatotic liver disease: mechanisms and implications
topicPrebiotic Gut Health Meta-Analysis
claimMASLD is defined by the presence of hepatic steatosis in conjunction with metabolic dysfunction, including obesity, insulin resistance, dyslipidemia, or type 2 diabetes (,).
evidence level4
citationZhao Yinan (2026)
sourceImpact of probiotics and prebiotics on glucose/lipid metabolism in metabolic dysfunction-associated steatotic liver disease: mechanisms and implications