Effect of Prebiotic Yeast Mannan on Gut Health and Sleep Quality

According to an article published in the journal Nutrients, researchers at Hokkaido Information University examined the impact of consumption of a prebiotic yeast mannan (Five tablets, equivalent to a daily dose, contained 1.1 g of yeast mannan, and these were confirmed to contain 0.62 g of mannan) on gut health and sleep quality on healthy adults in a randomized, double-blind, placebo-controlled study. They observed increased defecation frequency and stool volumes compared to the placebo group, several metabolite differences as well as changes in fecal propionate and gamma-aminobutyric acid (GABA) levels.

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