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Is ‘Fibermaxxing’ Right for You? Insights from Science | NPR Short Wave

Understanding Fiber: The Key to a Healthier Diet

Many individuals underestimate the importance of dietary fiber in their daily nutrition. With over 90% of people in the US failing to consume enough fiber, it’s crucial to evaluate your own intake. In this article, we’ll explore why fiber matters, how much you really need, and tips for incorporating more of it into your meals.


An overhead view of a diverse array of fiber-rich foods including blueberries, oranges, avocado, wholegrain bread, potatoes, oats, corn, beans, greens, broccoli, mixed nuts, and bananas.

Over 90% of individuals in the US don’t consume enough fiber in their diet. Are you among them?

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On average, Americans consume only 10-15 grams of fiber daily, which is significantly less than the recommended amount.

Fiber, a form of carbohydrate that our bodies cannot digest, is abundant in fruits, vegetables, whole grains, and legumes. It plays a crucial role in promoting satiety, supporting digestive health, and ensuring regular bowel movements. This has led many to adopt the trend of “fibermaxxing,” where individuals strive to either meet or exceed the daily fiber recommendations to enhance their overall health.

So, how can you boost your fiber intake? And is it possible to overdo it? Gastroenterologist Dr. Berkeley Limketkai offers insights into determining the right amount of fiber for optimal health.

Curious about food and dietary science? Send your questions to us at shortwave@npr.org.

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This episode was produced by Hannah Chinn, edited by Rebecca Ramirez, fact-checked by Tyler Jones, and the audio was engineered by Robert Rodriguez.

By understanding fiber and how to incorporate it into your diet, you can significantly enhance your health. Don’t overlook this essential nutrient; instead, make a conscious effort to include fiber-rich foods in your daily meals for a happier, healthier you.

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