Research on the microbes living in our digestive tract has triggered a ' revolution ' in nutritional science.

In the last few years, dietary fiber has become the " new protein ", added to foods in abundance to feed our gut's microbiome and boost our health.

However, a study on mice published in 2024 suggests that not all fiber supplements are equally beneficial.

A form that is readily found in oats and barley, called beta-glucan , can control blood sugar and assist in weight loss among mice fed a high-fat diet.

Researchers at the University of Arizona (UA) and the University of Vienna found it decreased a mouse's fat content and body weight within 18 weeks.

Other fibers they tested, including wheat dextrin, pectin, resistant starch, and cellulose, had no such effect, despite s

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