Research
Mixed
Prebiotics can confer health benefits at extraintestinal sites (e.g., skin, vagina, brain) through indirect mechanisms mediated by gut microbiota changes.
Prebiotics can help conditions outside the gut, like skin health or mood, by changing the gut bacteria which then send signals to other parts of the body.
GoodSupportsMEDIUM confidence
The definition expands the concept of prebiotics to possibly include... applications to body sites other than the gastrointestinal tract
Why this rating
Supported by consensus but relies on specific studies for extraintestinal claims.
Source
Expert consensus document: The International Scientific Association for Probiotics and Prebiotics (ISAPP) consensus statement on the definition and scope of prebiotics
Glenn R. Gibson et al. · Nature Reviews Gastroenterology & Hepatology · 2017
DOI 10.1038/nrgastro.2017.75
narrative_reviewCited 5,276×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Prebiotics are defined as substrates selectively utilized by host microorganisms to confer a health benefit, distinguishing them from non-selective dietary fibers and non-microbial agents.Strong
- Health benefits from prebiotics are mediated by the selective growth of specific microbial taxa and their metabolic products (e.g., SCFAs), rather than the substrate itself acting directly on host cells.Strong
Related findings · Mixed
- Bariatric surgery (VSG and RYGB) is the most effective and sustainable treatment for obesity, producing marked and sustained weight loss that non-surgical interventions cannot match.Strong
- Severely protein-deficient diets (2–3% energy) induce lean body mass loss and metabolic imbalance, whereas adequate protein intake (0.66 g/kg/d minimum) is a prerequisite for maintaining muscle, bone, and physiological function.Strong
- For patients with Class III obesity (BMI >39.9 kg/m2), metabolic bariatric surgery (MBS) is significantly more effective than any currently approved medication, with BilioPancreatic Diversion (BPD) showing the highest estimated weight loss.Strong
This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →