Artificial Sweeteners: A Double-Edged Sword for Gut Microbiome
Abstract
Background and Aim: The human gut microbiome plays a crucial role in maintaining health. Artificial sweeteners, also known as non-nutritive sweeteners (NNS), have garnered attention for their potential to disrupt the balance of the gut microbiome. This review explores the complex relationship between NNS and the gut microbiome, highlighting their potential benefits and risks. By synthesizing current evidence, we aim to provide a balanced perspective on the role of AS in dietary practices and health outcomes, emphasizing the need for targeted research to guide their safe and effective use. Methods: A comprehensive literature review was conducted through searches in PubMed and Google Scholar, focusing on the effects of artificial sweeteners on gut microbiota. The search utilized key terms including “Gut Microbiome”, “gut microbiota”, “Eubiosis”, “Dysbiosis”, “Artificial Sweeteners”, and “Nonnutritive Sweeteners”. Results: NNS may alter the gut microbiome, but findings remain inconsistent. Animal studies often report a decrease in beneficial bacteria like Bifidobacterium and Lactobacillus, and an increase in harmful strains such as Clostridium difficile and E. coli, potentially leading to inflammation and gut imbalance. Disruptions in short-chain fatty acid (SCFA) production and gut hormone signaling have also been observed. However, human studies generally show milder or no significant changes, highlighting the limitations in translating animal model findings directly to…
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