Hormonal
Dietary prebiotics (non-digestible carbohydrates) improve leptin sensitivity and reduce food intake in diet-induced obesity by modulating gut microbiota to increase short-chain fatty acid (SCFA) production, which activates GPR41/43 receptors and reduces low-grade inflammation.
If you are struggling with leptin resistance (common in obesity), consider increasing your intake of prebiotic fibers (like inulin-type fructans or resistant starch). These feed gut bacteria to produce SCFAs, which help restore your body's sensitivity to leptin, potentially reducing hunger and improving metabolic health. This is a dietary strategy to reset hormonal signaling rather than just adding bulk.
This observation suggests that changing the gut microbiota composition using prebiotics improved leptin sensitivity in diet-induced obesity and type 2 diabetic mice [42]. ... reducing both peripheral and central inflammation may help to dampen leptin resistance during obesity. ... we propose that targeted modulations of the gut microbiota by use of prebiotics or specific bacteria that produce SCFAs could be viewed as a novel therapeutic target to reset leptin sensitivity during obesity.
Why this rating
The paper is a review citing multiple rodent studies (Everard et al., Schéle et al.) and some human observational data, but lacks large-scale randomized controlled trials (RCTs) in humans for this specific mechanism.
Source
How gut microbes talk to organs: The role of endocrine and nervous routes
Patrice D. Cani et al. · Molecular Metabolism · 2016
DOI 10.1016/j.molmet.2016.05.011
More from this paper
- Gut microbiota-derived short-chain fatty acids (SCFAs), specifically propionate, improve insulin sensitivity and glucose homeostasis by stimulating intestinal gluconeogenesis via the GPR43 receptor and a gut-brain neural circuit.Moderate
- Gut microbiota composition influences the secretion of anorexigenic gut peptides (GLP-1 and PYY) and reduces orexigenic ghrelin, thereby reducing food intake and body weight, mediated by microbial fermentation of non-digestible carbohydrates.Moderate
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