Fibermaxxing: The Briefing on Fiber's Viral Moment

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Nathan (anchor): Fiber just became the most searched nutrient on the internet. Interest in gut health and high-fiber foods is up five thousand percent in five years, according to Google Trends — an all-time high. The reason has a name: fibermaxxing. And for once, the viral wellness trend is one dietitians actually endorse.

Nathan (anchor): Mayo Clinic Press defines it simply. Eating a ton of fiber to max out your daily intake — at least meeting the recommendation, but more likely blowing past it. In practice, it looks like chia seeds, beans, berries, whole grains, and the signature ritual: chia water. One tablespoon in sixteen ounces gets you about five grams.

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Nathan (anchor): For the numbers behind the surge, here's health correspondent Sarah Vance.

Sarah Vance (health correspondent): The analytics firm Spate says fiber has stopped behaving like a short-lived trend. It's now drawing tens of millions of monthly searches and mentions across Google, TikTok and Instagram. Datassential found fifty-two percent of consumers would try fibermaxxing after simply hearing about it — and it's calling fiber the next big health trend, right on the heels of protein.

Sarah Vance (health correspondent): Big Food agrees. PepsiCo's CEO said flatly, quote, I think fiber will be the next protein. The company launched Fiber Chips and Fiber Pop, and paid roughly two billion dollars for the prebiotic soda brand Poppi — a valuation built partly on TikTok fiber buzz. The supplement market alone is nearly five billion dollars this year, forecast to hit seven and a half billion by twenty thirty-three.

Nathan (anchor): And here's why this isn't just noise. Stanford reports only five percent of American adults meet the daily recommendation. Guidelines call for twenty-five grams a day for women, thirty-eight for men. Nearly one in three Americans eats under twenty. Federal health officials say more than ninety percent of us need to increase intake.

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Nathan (anchor): So what's the catch? The word maxxing. Dietitian Heather Butscher warns that excessive intake of any nutrient has unintended consequences — and that consuming too much fiber too quickly is itself excessive. In rare cases, it can cause an intestinal blockage. Another dietitian put it bluntly to Forbes: when I hear maxxing, I think of extremes.

Grace Derocha, RD (dietitian): Find your baseline first. Then add just five grams per day, each week, until you reach twenty-five to forty grams. And drink water. Several tablespoons of chia without enough fluid will backfire on you.

Nathan (anchor): Two closing notes. A Cornell study out this summer suggests fiber's benefit may depend on which strains of bacteria live in your gut — meaning fiber is not one-size-fits-all. And Mintel says the trend is already evolving: from maximization toward diversity. The irony, as one dietitian told CNN, is that most fibermaxxing foods don't have labels at all. You have to go get them fresh.

Nathan (anchor): That's your briefing. Eat the kiwi skin — it's worth an extra gram and a half.

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