Nearly 50% of people aged 16–25 are at risk of developing an eating disorder, according to recent research. On TikTok, this reality is reflected in SkinnyTok, a corner of the platform filled with calorie counts, “What I Eat in a Day” videos, and extreme fitness routines.

What is SkinnyTok?

SkinnyTok refers to TikTok content focused on extreme thinness, ranging from drastic weight loss and calorie counting to “transformation” clips and restrictive diet advice. Often framed as motivation or wellness, critics warn that it normalizes disordered eating.

Although TikTok banned the hashtag #SkinnyTok, creators quickly rebranded under tags like #Skinytok or tweaked their approach to keep the content alive.

Why SkinnyTok is resurging now

“SkinnyTok” isn’t new, but its amplification today reflects a perfect storm of cultural forces:

  • Celebrity influence and GLP-1 drugs: Medications like Ozempic have fueled a new wave of medically enhanced thinness. Celebrities, including Serena Williams, Barbie Ferreira, and Meghan Trainor, who were once symbols of body positivity, are now associated with slimmer images, signaling the rapid disappearance of body-diverse representation in pop culture.
  • Gen Z fashion trends: The return of low-rise jeans and the popularity of the “Pilates body” aesthetic reinforce narrow standards of beauty, positioning thinness as a prerequisite for style.
  • Algorithm amplification: TikTok’s feed rewards engagement. The more a user lingers on SkinnyTok content, the more similar videos flood their feed, turning extreme thinness into an aspirational norm.

Together, celebrity influence, new drugs, and nostalgic Y2K fashion have created the perfect storm for SkinnyTok to thrive.

How SkinnyTok fuels disordered eating

SkinnyTok promotes restrictive diets, obsessive calorie tracking, and “transformation” videos. Popular formats like “What I Eat in a Day” blur the line between wellness and harm. One viral phrase, “being skinny is the outfit,” goes further, framing thinness itself as fashion and reducing style to body size.

Exposure to these trends doesn’t just lower self-esteem; it encourages comparison, body dissatisfaction, and behaviors that can quickly spiral into eating disorders.

The deadly stakes

“Patients with anorexia nervosa have a 521 percent increased chance of dying compared to someone from the general population.” According to a new study, the Scientific journal Clinical Psychology.

Beyond its high mortality, anorexia causes long-term physical damage, including organ strain, nutrient deficiencies, and reproductive health issues, along with severe mental health consequences such as anxiety and depression.

Warning signs to watch for

It can be very difficult to identify whether a loved one or a friend has developed an eating disorder. Warning signs and symptoms to look out for include:

  • Spending a lot of time worrying about weight and body shape.
  • Avoids socialization where food will be involved or eating with others.
  • Eating very little food or skipping meals.
  • Excessive exercising.
  • Eating a lot of food very fast, or cutting food into small pieces and eating slowly.
  • Wearing loose or baggy clothes to hide weight loss.
  • Frequent trips to the bathroom after meals.
  • Dramatic weight loss.

The Canadian Mental Health Association (CMHA) offers guidance on recognizing the signs of eating disorders, including when someone spends a lot of time worrying about their weight or body shape, frequently skips meals, or avoids social situations involving food.

If you or someone you know is struggling with an eating disorder, help and resources are available through:

The profit behind the problem

SkinnyTok content may look like personal expression, but it’s part of a much bigger economy. TikTok’s algorithm pushes whatever keeps users scrolling the longest, even if it’s harmful. 

The more time young people spend engaging with “What I Eat in a Day” videos, transformation clips, or extreme workout routines, the more ads they’re exposed to, and the more money the platform makes.

“Every second, every minute we spend on these platforms is being monetized,” said Raffoul, a Nutrition and Social Media student at the University of Toronto. “The more harmful content young people consume, the longer they stay online, and the more profit platforms make.”

This profit-driven cycle helps explain why SkinnyTok continues to thrive despite banned hashtags and widespread criticism. Harmful content doesn’t just spread,it’s incentivized.

How to avoid SkinnyTok and harmful content

  • Curate your feed: Mute or unfollow accounts that promote extreme thinness or disordered eating.
  • Use TikTok’s “Not Interested” feature: This trains the algorithm to show less harmful content over time.
  • Follow body-positive creators: Seek out accounts that promote realistic, balanced health and body neutrality.
  • Set screen time limits and take breaks: Reducing exposure to algorithm-driven content can help protect mental health and prevent harmful comparisons.

The bottom line

Eating disorders are resurging alongside SkinnyTok, celebrity-endorsed thin ideals, and fashion-driven pressures. While social media isn’t the only cause, it magnifies the risk.

SkinnyTok isn’t just a cultural issue; it’s an economic one. By understanding the profit motives behind harmful content, parents and youth can approach online spaces with sharper digital literacy, curate healthier feeds, and resist harmful trends.

 Awareness, digital literacy, and supportive environments are essential to protect young people as body positivity fades and disordered ideals rise again.