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Dietary Fiber Need Varies Depending on the Individual’s Gut Bacteria

todayJuly 1, 2024 34

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Dietary Fiber Need Varies Depending on the Individual`s Gut Bacteria

Eat more dietary fiber concept may not work right for everyone, suggests a new Cornell University study.

The study, published in Gut Microbes (1 Trusted Source
Gut microbial features and dietary fiber intake predict gut microbiota response to resistant starch supplementation

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), focused on resistant starch, a category of dietary fiber found in such foods as bread, cereals, green bananas, whole-grain pasta, brown rice and potatoes.

Are you Eating Right Amount of Dietary Fiber?

The researchers identified the gut microbe species that change in response to two different types of resistant starch. They found evidence that each individual may have a unique response to eating a resistant starch, with some people benefiting and others experiencing little or no effect. The reason appears tied to the level of diversity and composition of a person’s gut microbiome.

“Precision nutrition definitely has a use in determining what dietary fiber we should tell people to eat,” said Angela Poole, assistant professor of molecular nutrition and senior author of the study (2 Trusted Source
Impact of dietary fiber varies from person to person

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“This is critical because we’ve had public messaging advising people to eat more dietary fiber for decades,” Poole said. “At the same time, less than 10% of people eat the recommended intake. Since there are many different types of dietary fiber and carbohydrates, a better strategy would be to collect data on each person and tell them which dietary fiber they can eat to get the most bang for their buck.”

References:

  1. Gut microbial features and dietary fiber intake predict gut microbiota response to resistant starch supplementation – (https://www.tandfonline.com/doi/full/10.1080/19490976.2024.2367301)
  2. Impact of dietary fiber varies from person to person – (https://news.cornell.edu/stories/2024/06/impact-dietary-fiber-varies-person-person)

Source-Eurekalert


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