The human gut evolved to thrive on fermentable fibers, not burgers.
“The people who responded the best had been eating the least fiber to start with,” said study leader Lawrence David, an associate professor of molecular genetics and microbiology at Duke University. When your gut bugs eat a high-fiber diet, they make more short-chain fatty acids, which protect you from gut diseases, colorectal cancer, and even obesity. In particular, they increase the production of butyrate, a fattythat serves as the energy source for the intestinal cells themselves. Butyrate has been shown to increase the gut’s resistance to infections, reduce inflammation, and create happier, healthier intestinal lining cells.
“Regardless of which of the test supplements you pick, it seems your microbiome will thank you with more butyrate,” David said. Participants who had been consuming the most fiber beforehand showed the least change in their microbiomes, and the type of supplement really didn’t matter, probably because they were already hosting a more optimal population of gut bugs, David said.
Using their artificial gut fermenters, the researchers found the gut microbes were primed by the first dose to consume fiber and digested it quickly on the second dose.
Source: Healthcare Press (healthcarepress.net)
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