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Galactooligosaccharides (GOS) vs Placebo (Maltodextrin) & Immunosenescence
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Ageing affects the human colonic microbiota, notably reducing bifidobacteria. Prebiotics like galactooligosaccharides (GOS) can enhance beneficial gut microbes and potentially reverse this decline. A study on 40 elderly volunteers (aged 65–80) tested the effects of a GOS mixture (Bimuno (B-GOS)) over 10 weeks, with a 4-week washout period, using a randomised, double-blind, placebo-controlled, cross-over design. Results showed significant increases in bacteroides and bifidobacteria, with the latter linked to higher lactic acid levels. Improvements …