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Up until a few weeks ago, I found out about trending topics like any stereotypical millennial: on Instagram, a month after they’ve gone viral on TikTok. But as a dietitian and wellness writer, I figured it’s time to hop on the bandwagon and see what people are talking about in real time. And, man, it’s overwhelming. One trend that’s currently everywhere? Maxxing. Now, I’m not so much of a recluse that I haven’t heard of maxxing before. But what did surprise me was how ubiquitous it is. Seriously, it’s everywhere:tanmaxxing (spoiler: don’t do it), sleepmaxxing and, of course, nutrient maxxing — looking at you, protein and fiber.
My initial reaction was positive: Finally, people are focusing more on what toeat rather than throwing out every food the internet deems as “bad” that week. But the more I swiped, I couldn’t help but wonder if nutrient maxxing is a prettier way of dressing up diet culture
So, with this question in mind, I did what any good writer would do: I spent even more time on TikTok to see what information is out there and how people are applying it. I then reviewed the latest research and reflected on my past experience working in both nutrition research and counseling. I also reached out to fellow dietitian Abbey Sharp, who has a strong social media platform and a deep understanding of nutrition trends
Nutrient maxxing is more “exciting” than standard advice
The first stop on my quest was figuring out where this idea came from — and honestly, it wasn’t hard to guess. After all, the human psyche seems to love the “more is better” mentality
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“I think ‘maxxing’ is really the wellness industry’s version of optimization culture. It evolved from online communities where everything from sleep to productivity to appearance became something you could (allegedly) precisely optimize,” says Sharp
And I get it. As a working mom, I’ve saved countless Instagram reels from personal trainers on tips to make my gym sessions more efficient. Because the truth is, optimization isn’t always a “bad” thing. In fact, it can make certain lifestyle changes more realistic
Another reason nutrient maxxing is so appealing? “Generally, the extreme and hyperbolic nature of the ‘maxxing’ language is always going to be attractive when the opposite of just ‘eat a balanced diet‘ feels vague, and honestly, kind of boring,” says Sharp. “Protein maxxing or fiber maxxing gives people a clear mission with just one nutritional focus that promises measurable wins. Humans love checklists, streaks and the feeling that they’re unlocking a simple secret level of health.”
There are some legitimate upsides
The good news is that the two main nutrition maxxing trends aren’t inherently unsafe and have some real benefits. “There’s a reason that protein has never had a villain moment,” says Sharp. Protein helps build and maintain muscle — something that’s important not just for strength but, as a 2025 review in Nutrients found, for maintaining independence as you age. It also plays a role in keeping you full between meals, supporting immune function and preserving bone density, which is part of why it’s gotten so much attention lately.
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In fact, it’s long been thought that the previous recommendation of 0.8 grams of protein per kilogram of body weight per day was too low (and, as a side note, it was always meant to be a minimum, not a hard recommendation). And in January 2026, the new Dietary Guidelines for Americans officially released higher protein recommendations — 1.2 to 1.6 grams per kilogram of body weight, up to double the old minimum
So, when it comes to “maxxing” protein, there are benefits to ensuring you get protein at each meal and snack. “Especially in populations who are not at their healthiest weight, there is absolutely a benefit from being more intentional about choosing what I call ‘efficient’ffer more protein bang for your calorie buck,” adds Sharp
Fibermaxxing has even more expert support. According to the American Society for Nutrition, approximately 95% of Americans aren’t getting the recommended 25 grams of fiber per day for women and 38 grams for men. “This is probably the ‘maxxing’ trend I’m least worried about, because, yes, most people are dramatically under-consuming fiber,” says Sharp, when I asked her point-blank whether this trend was addressing a real gap
While not as sexy as protein, fiber is essential for overall health. “Increasing fiber can have real benefits for gut health, cholesterol, blood sugar regulation and even long-term disease prevention,” adds Sharp
Where TikTok “loses the plot”
So far, so good. But as with most trends on social media, maxxing can veer off the helpful path. “Where I think TikTok loses the plot is when people start acting like every bite needs to be fortified with protein powder. Suddenly, we’re putting protein in Pop-Tarts, cereal, desserts and even water, which instantly assigns a ‘health halo’ to foods that are otherwise not very nutritious,” says Sharp, adding that some people are coming away with the messaging that a 30-gram protein cookie is a better choice than a grilled chicken breast with 23 grams of protein.
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“Every time we hyperfocus on one nutrient, we often crowd out foods that provide other important nutrients,” warns Sharp. “The result is a diet of protein cookies, protein pancakes, protein shakes and protein Pop-Tarts that may seem like good choices because they tout the protein stamp, but your diet now is lacking fiber, healthy fats and key micronutrients found in whole foods.”
Fibermaxxing sounds like it can avoid this pothole, but it seems to be following a similar trend. “Suddenly, people are adding multiple fiber supplements, loading every recipe with [fiber] powders and chasing the highest possible gram count,” says Sharp. So again, rather than adding more whole foods, some are taking this directive as simply add fiber in the most efficient way possible
And if you overdo it on fiber or ramp it up too quickly, there are pretty immediate consequences. Too much fiber can cause uncomfortable GI side effects, like bloating, gas and constipation. It can also worsen symptoms for people with certain digestive conditions, like irritable bowel syndrome (IBS), inflammatory bowel disease (IBD) or small intestinal bacterial overgrowth (SIBO)
“I’d much rather see people gradually build fiber through whole foods like beans, fruits, vegetables, whole grains, nuts and seeds than treat fiber like another performance metric,” says Sharp
Is the maxxing trend just an obsession framed in a better light?
To see how this is actually playing out in people’s lives, I talked with two registered dietitians who work with clients every day
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For LaShawnda Beasley, RD, who specializes in women’s health and disordered eating at her private practice, Health For You By You, fiber maxxing and protein maxxing have become regular topics — especially among clients prescribed GLP-1 medications
“It’s been a positive influence in the sense that my clients have questioned the trend before taking action,” she says. “It brings good conversation surrounding their personal health journey.” When it comes up, she walks clients through the basics that get lost in a 15-second video: increasing fiber slowly to avoid GI distress, drinking enough water and considering their own medical history before chasing a specific gram count
Protein works the same way, she says — needs depend on someone’s medical history and eating patterns, not a viral target. “Nutrition and lifestyle goals need to be realistic, attainable and sustainable — not going full-throttle,” Beasley says. “That’s what leads to disordered eating patterns, all-or-nothing thinking and a lot of discouragement in one’s health journey.”
Her advice: stay curious, but get answers from a licensed professional or a .gov or .edu is trending
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Stephanie Hill, MS, RD, LDN, who works at Alike Nutrition, a private practice focused on women’s health, PCOS, insulin resistance and GLP-1 support, sees a similar split. On one hand, the trend has actually helped some of her clients who were previously under-eating protein and fiber. On the other, “the ‘maxxing’ framing turns nutrients into a daily scorecard rather than a sustainable habit,” she says. She’s especially watchful with clients prone to rigid or all-or-nothing thinking, since maxxing can function as what she calls “a more socially acceptable on-ramp into disordered patterns” — precisely because it’s marketed as health rather than restriction.
Sharp echoes that last point, noting that optimization looks healthier than restriction from the outside, but for someone already prone to obsessive thinking, “maxxing” may just be restriction’s more socially acceptable cousin
Final verdict
🟡 I’m giving this one a proceed-with-caution yellow light. Nutrient maxxing isn’t necessarily just diet culture wearing a nicer outfit. The underlying advice — more fiber and incorporating protein throughout the day — is sound. However, it’s when it becomes an obsession over grams and a focus on quantity over quality that it can veer into more problematic territory
“If every meal becomes a math equation where you’re trying to optimize protein, fiber, collagen, creatine, electrolytes and whatever nutrient is trending next, food starts feeling like a complicated project instead of intuitive nourishment,” adds Sharp
Meet our experts
Abbey Sharp, RD, CEO of Abbey’s Kitchen Inc., author of The Hunger Crushing Combo Method
LaShawnda Beasley,RDN, LD, CLC, IEDS, private practice dietitian at Health For You By You
Stephanie Hill,MS, RD, LDN, private practice dietitian at Alike Nutrition
Our health content is for informational purposes only and is not intended as professional medical advice. Consult a medical professional on questions about your health
