Studies interlinking the microbiome of the gut and the brain show evidence of changes in emotional health. Recent research in the UK is exploring how the gut-brain axis affects anxiety. The findings indicate that introducing a prebiotic called galacto-oligosaccharides (GOS) into the gut microbiome has a positive effect on gut health and greater emotional wellbeing.
The Study Aspects
Researchers from the University of Surrey examined the food diaries and stool samples of 64 female volunteers between the ages of 18 and 25 over 28 days. The volunteers were given either 7.5g of the GOS Biotis prebiotic or a placebo made of maltodextrin and dried glucose syrup.
Both supplements were given to test subjects as a powder and in blind packaging. The placebo supplement absorbs in the upper portion of the gastrointestinal tract, never affecting the colon. The GOS supplement reaches the entire gastrointestinal tract still somewhat unchanged because it is a non-digestible carbohydrate.
Study volunteers also received a sampling kit for stool collection and food journals for nutritional information documentation, including portion size and ingredients, for baseline and follow-up testing.
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SOURCE: Gut News