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Distant Site Effects of Ingested Prebiotics.

Stephanie Collins1, Gregor Reid2,3

  • 1Department of Microbiology and Immunology, The University of Western Ontario, London, ON N6A 5C1, Canada. scolli69@uwo.ca.

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Summary

Prebiotics promote gut health and influence distant body sites by fostering beneficial microbes. This review explores their impact on bone, brain, immunity, skin, and lipids.

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Area of Science:

  • Microbiology
  • Human Health
  • Nutrition Science

Background:

  • The gut microbiome's role in health, extending beyond the gastrointestinal system, is increasingly recognized.
  • Maintaining microbial homeostasis is crucial for overall well-being.
  • Prebiotics are food-grade substances that nourish beneficial gut bacteria, producing health-promoting short-chain fatty acids.

Purpose of the Study:

  • To review the diverse effects of prebiotics on various body sites.
  • To understand the mechanisms by which prebiotics exert their influence.
  • To explore the expanding landscape of prebiotic compounds and their microbial targets.

Main Methods:

  • Literature review of studies investigating prebiotic effects.
  • Analysis of mechanisms involving intestinal permeability and microbial metabolites.
  • Examination of impacts on bone strength, neural function, immunity, skin, and serum lipids.

Main Results:

  • Prebiotics, including inulin and oligosaccharides, benefit gastrointestinal health.
  • Evidence suggests prebiotics positively influence bone, neural processes, immune function, skin health, and serum lipid profiles.
  • Mechanisms involve modulation of intestinal permeability and systemic distribution of fermentation products.

Conclusions:

  • Prebiotics offer a promising strategy for modulating gut microbiota and impacting distant physiological sites.
  • Further research into diverse prebiotic compounds and their specific microbial interactions will broaden our understanding of their systemic health benefits.
  • The impact of prebiotics extends beyond the gut, influencing multiple organ systems.