TikTok Fitness Content May Cause Body Image Issues, Study Says

"Fitspiration" content on TikTok reinforces harmful body ideals, spreads health misinformation, and contributes to the oversexualization of women, according to a recent Australian study.

The study defined fitspiration content as images and videos that aim to inspire individuals to live an active and healthy lifestyle through diet and exercise.

Scientists at Flinders University expressed concerns that it could contribute towards body dissatisfaction, excessive dieting and the glorification of eating disorders among TikTok's largely teenage user-base. Researchers noted that viewing idealized fitness content on social media can contribute to body dissatisfaction and negative self-perception among young viewers.

"Our study highlights concern about the triggering and misleading information portrayed by unqualified influencers and that we need far greater scrutiny of the TikTok fitness community," said lead author Samantha Pryde in a statement.

"TikTok fitspiration videos often promote an idealized view of body types and there is concern that this is causing negative body image issues especially in young women."

Scientists at Flinders University analyzed 200 TikTok fitspiration videos using popular hashtags such as fitness, fitspo, gymtok and fittok.

The vast majority were posted by fitness influencers without relevant qualifications, and as many as 60 percent were found to contain incorrect or harmful information related to diet, health and fitness, the study found.

Social scientist Professor Eva Kemps, a co-author of the study, said the research surfaced a pervasive issue in which influencer popularity tends to outweigh the accuracy and safety of the information being shared. Most of the influencers behind the content lacked credible health and fitness qualifications.

Associate professor Ivanka Prichard, also a co-author and an expert in body image, exercise and health psychology, added that the findings illustrate the need for more research and enhanced regulation regarding advertising by influencers on social media.

"We need more collaboration with public-health organizations, so that fitness influencers are encouraged to share evidence-based information that promotes healthy, realistic expectations for body image and fitness."

The team discovered that more than half — 55.7 percent — of the content they analyzed featuring women involved sexualization or objectification, while 20 percent involved body shaming and 8.6 percent promoted disordered eating behaviors.

"Alarmingly, we found that the majority of the videos perpetuated negative messages, including sexualization, body shaming and excessive dieting," said Pryde.

Fitspiration content featured solely women more than solely men — 78 and 10 percent of the videos respectively — and content featuring women promoted appearance-related reasons for exercise more frequently than videos featuring men.

The scientists found that women's body parts were more often objectified too, especially the thighs and buttocks, and that the ideal female body type tended to be thin and fit. The content set unrealistic expectations about physical appearance and fitness progress, particularly among younger audiences who are still forming identities.

"TikTok fitspiration videos often promote an idealized view of body types and there is concern that this is causing negative body image issues especially in young women," said Pryde.

However, men were objectified in these videos as well, likely to be portrayed as muscled. Videos of men tended to feature bodies with obscured, blurred or cropped-out faces, and featured groups of men — whereas women were more likely to be featured solo.

"This evolving objectification raises concerns about the impact of fitspiration on male body image as well, with increasing evidence suggesting that male viewers are similarly affected by idealized imagery," said Kemps.

The study authors said that this likely reflected gendered workout habits, with the gym seen as a social, competitive space among men, and exercise a solo endeavor for women.

"In a world increasingly influenced by digital media, monitoring the impact of fitspiration content remains crucial in promoting and protecting healthier body image narratives, and fostering supportive fitness cultures," said Prichard.

The bigger picture — what earlier research has shown

The Flinders study does not stand alone. Concerns about the relationship between social media and body image have been accumulating for more than a decade, beginning with early Instagram-era research and sharpening as short-form video platforms have come to dominate young users' time online.

Who, exactly, is watching this content

The reason researchers keep returning to TikTok specifically — rather than YouTube, Instagram, or older platforms — is demographic. TikTok's user base skews significantly younger than any major platform that preceded it, and its recommendation system surfaces content at a pace that makes incidental exposure nearly unavoidable.

That scale of exposure is the context in which the Flinders team's findings sit. A 60 percent rate of harmful or incorrect content is not an abstract statistic when the audience is a population of adolescents watching, on average, the equivalent of a full-length feature film's worth of short-form video every day.

Warning signs experts say to watch for

Parents, educators, and the viewers themselves can look for a handful of specific markers that a fitness account or video is more likely to be harmful than helpful. Clinicians who treat eating disorders and body image conditions have increasingly published this kind of guidance as fitspiration has become harder to avoid.

The researchers behind the study

What platforms have — and haven't — done

Under pressure from regulators, researchers, and parents, major platforms have rolled out a series of content policies addressing body image, disordered eating, and fitness misinformation. The responses have varied in ambition and in how consistently they are enforced.

What viewers — and parents — can do

Beyond platform policy, clinicians and body image researchers point to a handful of practical interventions that individual users can take to reduce the impact of fitspiration content on their mental health and self-perception.

Audit the feed. Social platforms learn from engagement. Unfollowing, muting, and using the "not interested" signal on body-focused content actively retrains the algorithm. Following creators who post content focused on performance, skill, or strength — rather than appearance — shifts what the platform surfaces next.

Diversify the sources. Following qualified professionals — registered dietitians, certified trainers, physical therapists, clinical psychologists — provides a counterweight to unqualified influencers. Look for visible credentials in the bio, not just a confident tone in the videos.

Set time boundaries. The scale of exposure is part of the harm. Using built-in screen-time limits, scheduled app blocks, or simply removing the app from the home screen reduces incidental exposure to harmful content without requiring perfect self-control in the moment.

Talk about it openly. For parents, pediatricians, and educators, research consistently shows that non-judgmental conversations about social media — what feels good to watch, what makes someone feel worse, what content the algorithm keeps surfacing — are more effective than blanket restrictions, which often push the behavior out of view rather than stopping it.