Fibremaxxing trend promotes higher fiber intake

Social media posts in May 2026 pushed “fibermaxxing” into broader view, turning a basic nutrition goal into a named online habit. Recent posts and health explainers describe the trend as an effort to increase daily fiber intake by eating more beans, vegetables, fruit, seeds and whole grains instead of lower-fiber processed foods. The idea has spread across TikTok and X, and mainstream health outlets have started publishing guides on what it is and how to do it. ### Where did “fibermaxxing” come from? Forbes reported on May 3 that TikTok influencers had been using the hashtag #fibermaxxing to encourage followers to “maximize” fiber intake, and said celebrities including Danielle Fishel and Lance Bass had discussed it publicly. Mayo Clinic Press and UCLA Health have also described fibermaxxing as a social-media nutrition trend rather than a formal medical program. (forbes.com) The term follows a familiar online pattern: take a standard health recommendation and package it as a challenge, routine or optimization strategy. In this case, the underlying advice is conventional — eat more fiber-rich plant foods — even if the branding is new. That framing is reflected in recent coverage from U.S. News, Mayo Clinic Press and TIME. (forbes.com) ### How much fiber are people actually being told to eat? Mayo Clinic Press says the recommended daily intake for adults 50 and under is 25 grams for women and 38 grams for men, while adults over 50 are generally advised to get 21 grams for women and 30 grams for men. The University of Virginia School of Medicine and MedlinePlus list the same age- and sex-based ranges. (mcpress.mayoclinic.org) UCLA Health said most people still need more fiber, and Mayo Clinic Press estimated that more than 90% of women and 97% of men do not reach recommended intake levels. TIME separately reported that the average person consumes about 10 to 15 grams per day, well below standard targets. ### What foods are people adding when they “fibermaxx”? (mcpress.mayoclinic.org) The Academy of Nutrition and Dietetics says fruits, vegetables, beans and whole grains all contain dietary fiber. MedlinePlus and Harvard Health similarly point people toward plant foods such as whole grains, nuts, seeds, fruit and vegetables when trying to raise intake. That matches the food swaps circulating in social posts and recent explainers: oatmeal instead of sugary cereal, beans or lentils added to bowls and soups, berries and chia seeds mixed into yogurt, and snacks built around nuts, fruit or vegetables instead of heavily processed options. (mcpress.mayoclinic.org) Mayo Clinic Press said the goal is usually to close a fiber gap, not to chase extreme numbers. (eatright.org) ### Why are dietitians not dismissing this one outright? UCLA Health quoted senior dietitian Yasi Ansari as saying the trend is “definitely a trending term” that encourages people to increase fiber intake, “which most of us actually need to do.” Mayo Clinic Press and Harvard Health say higher fiber intake is linked to digestive benefits and lower risks for conditions including heart disease and diabetes. (mcpress.mayoclinic.org) The Academy of Nutrition and Dietetics has long said the public should consume adequate amounts of dietary fiber from a variety of plant foods. That makes fibermaxxing unusual among online diet trends: the label is new, but the core recommendation aligns with established nutrition guidance. ### What do experts say people get wrong about it? TIME reported in March that experts do not view fiber as a “more is always better” nutrient and said the goal is to find an amount and set of food sources that work for an individual body. (mcpress.mayoclinic.org) Cleveland Clinic and MyFitnessPal’s dietitian explainer both say people should increase intake gradually and pair it with enough fluid to reduce bloating, gas or constipation. (jandonline.org) Mayo Clinic Press made the same point in its recent guidance, advising people to build fiber intake steadily rather than make abrupt jumps. As the trend keeps spreading online, the next step for readers is straightforward: compare current intake with the 21- to 38-gram ranges used by major health sources, then use food labels and plant-based meal swaps to close the gap. (mcpress.mayoclinic.org) (health.clevelandclinic.org)