April 1, 2016

FIBER FOR GUT HEALTH

Fiber has long been linked to better health, but new research shows how the gut microbiota might play a role in this pattern. One investigation discovered that adding more fiber to the diet can trigger a shift from a microbial profile linked to obesity to one correlated with a leaner physique. Another recent study shows that when microbes are starved of fiber, they can start to feed on the protective mucus lining of the gut, possibly triggering inflammation and disease.

The EFSA claims tell us that fiber can increase fecal bulk, help digestion, increase satiety and be a support in weight management. Fibers from Oat including Beta glucans can even attribute to the maintenance of normal blood cholesterol. Fibers from Oat and Resistant starch contributes to the reduction of the blood glucose rise after meals.

Pre-biotic fibers serve as food for the important microbes and helps slow gastric emptying, create a new symbiosis of gut bacteria and decrease the rate of glucose absorption in the small intestine. When this happens the glucose is released slowly, and the insulin response may also be blunted. Slow, steady post-prandial glucose and insulin responses are sometimes correlated with satiation and satiety, because various satiety-related hormones (i.e., ghrelin, polypeptide YY, glucagon-like peptide) are released and signals are sent to the brain to regulate satiety, food intake and overall energy balance.

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