The fiber trend taking over TikTok

Fibermaxxing is helping Americans eat an underconsumed nutrient, but the internet's obsession with it risks turning a sound health practice into another extreme wellness fad.

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Sep 30, 2026

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The fiber trend taking over TikTok

Fibermaxxing is helping Americans eat an underconsumed nutrient, but the internet's obsession with it risks turning a sound health practice into another extreme wellness fad.

In brief

Fibermaxxing is helping Americans eat an underconsumed nutrient, but the internet's obsession with it risks turning a sound health practice into another extreme wellness fad. TikTok creators are promoting fiber-rich diets to address genuine health concerns, but the trend risks becoming another extreme wellness fad…

A TikTok creator's fiber recipe

At hallysicle, a self-described chaotic wellness creator, announced a poopmaxxer pesto recipe with two cups of blanched peas mixed into standard pesto, yielding eighteen grams of fiber.

“I will explode your butthole with this poopmaxxer pesto.”

Meet the fibermaxxing influencers

TORONTO, ONTARIO, CANADA – 2017/05/09: Raw turtle black beans or Phaseolus vulgaris in small clay plate. Benefits of black beans include prevention of cardiovas

Liam, known as the Bean Guy, gained fame debunking nutritional fads. Fiber Daddy claims to poop four times daily and sells a supplement called Liquid Salad. Healthcare providers are also jumping in.

Americans are not eating enough fiber

Roughly ninety-five percent of Americans fall short of the daily recommended amount of fiber, making fibermaxxing seem like an unequivocally good thing on the surface.

GLP-1 drugs are driving the trend

GLP-one usage has skyrocketed to eleven percent in the US in twenty twenty-six from three percent just two years ago. These medications suppress appetite, so users must prioritize protein and fiber to prevent muscle loss.

Early-onset colorectal cancer is rising

Sun chips fiber packaging, no artificial flavors or coloring in supermarket, Albertson, New York.

Mortality from colorectal cancer in people under fifty has been increasing by one point one percent per year since two thousand five, making it the leading cause of cancer-related death in this cohort.

Young people are sharing cancer stories

Videos feature young people in their twenties and thirties sharing stories of battling colon cancer, bolstered by social media-savvy gastroenterologists and dietitians raising awareness of early-onset symptoms.

Diagnoses have shifted to younger people

The American Cancer Society estimates that forty-five percent of new colorectal cancer diagnoses come from people under sixty-five years old, a significant increase from twenty-seven percent in nineteen ninety-five.

What fiber actually does

TORONTO, ON- JANUARY 12 – The Chocolate Banana poo emoji macaroon. The Daan Go Cake Lab offers up many varieties of macaroons that change seasonally. Daan Go Ca

Dietary fiber is a complex carbohydrate the body cannot digest, coming from plant foods in two types. Soluble fiber dissolves in water, lowering cholesterol and blood glucose. Insoluble fiber adds bulk to stools.

Fiber has multiple health benefits

A high-fiber diet is associated with greater satiety for weight management, overall bowel health, prevention of hemorrhoids, feeding beneficial gut bacteria, and reducing colorectal cancer risk.

Supplements are entering the trend

AG one has a fiber page promoting its Essentials Gummies. Huel sells a fiber boost bundle. Grüns prominently features six grams of fiber per pack in its marketing to GLP-one users.

Supplements have a soluble fiber problem

Fiber supplements tend to overindex on inulin, psyllium husk, or tapioca fiber, all soluble types that in excess cause gas. Supplements are meant to supplement in a pinch, not replace whole plant foods.

Some creators push dangerous amounts

Some fibermaxxers advocate absurd goals like sixty to one hundred grams of fiber daily. The recommended amount is roughly fourteen grams per one thousand calories, or twenty-five to thirty-eight grams daily depending on age.

Rapid fiber increases cause problems

Going too hard on fiber intake too quickly causes gastrointestinal distress. Health experts agree people should increase fiber slowly, gradually, and with lots of water to let the digestive system adjust.

Some people cannot increase fiber safely

Those with Crohn's disease, inflammatory bowel disease, irritable bowel syndrome, or bowel obstructions must consult doctors. People on thyroid, cardiovascular, diabetes, and depression medications need to check with doctors too.

The real fiber advice remains unchanged

Doctors have been telling people to prioritize fiber for decades. Eat the rainbow. Prioritize whole foods. Eat a serving of vegetables with each meal. Whole grains over refined grains. This advice will outlast the trend.

At a glance

TikTok creators are promoting fiber-rich diets to address genuine health concerns, but the trend risks becoming another extreme wellness fad that ignores nuance and pushes supplements over whole foods.

Read the original on The Verge

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