Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Galactooligosaccharides (GOS) are prebiotic fibers that selectively stimulate the growth of beneficial Bifidobacteria and Lactobacilli in the gut. These oligosaccharides resist digestion in the small intestine and ferment in the colon to produce short-chain fatty acids that support digestive and immune health.
Reported Benefits (Provisional)
Origin & History
Galactooligosaccharides (GOS) are non-digestible carbohydrates derived from lactose. They are produced through enzymatic processes involving the conversion of lactose into GOS.
Research Narrative (Provisional)
RCTs have demonstrated GOS's role in promoting gut health and supporting immune function. Meta-analyses confirm its safety and efficacy.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- Composed of galactose units linked to glucose. - Non-digestible, serving as a prebiotic. - Derived from lactose through enzymatic processes.
Reported Mechanism (Provisional)
GOS resist hydrolysis by human digestive enzymes and reach the colon intact where they serve as selective substrates for beneficial bacteria like Bifidobacterium longum and Lactobacillus acidophilus. Bacterial fermentation of GOS produces short-chain fatty acids including butyrate, acetate, and propionate, which lower colonic pH and provide energy for colonocytes. This acidic environment inhibits pathogenic bacteria while promoting beneficial microflora proliferation.
Clinical Narrative (Provisional)
Human studies with 2.5-10g daily GOS supplementation demonstrate significant increases in fecal Bifidobacteria populations within 1-2 weeks. A randomized controlled trial with 44 adults showed 5g daily GOS increased beneficial bacteria counts by 8-fold compared to placebo. Multiple studies report improved stool consistency and reduced digestive discomfort, though most trials have been small-scale with 20-60 participants. Evidence for immune benefits comes primarily from mechanistic studies and requires more robust clinical validation.
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