Authenticity in Fitness Marketing

The “Real Me” Post Isn’t Working Anymore

Somewhere right now, a fitness coach is filming a candid morning routine. Soft light through a kitchen window. A smoothie that looks better than any smoothie you’ve made in your life. A gym bag in the background, artfully unzipped. The caption will use the phrase “just being real with you guys” and get four hundred likes from people who have seen this exact content enough times to recognise it as a format.

Authenticity became a marketing strategy at roughly the same moment it stopped being authentic. The fitness industry didn’t invent this dynamic, but it has put in the hours. Every wave of platform culture that promised rawness — BeReal, TikTok’s unfiltered era, the no-makeup workout trend — produced a new generation of professionally produced rawness. The aesthetic changed. The production values did not.

Two 2025 studies arrived at this problem from different directions. One tracked everyday social media users across a decade of platform ethnographies. The other ran three controlled experiments on fitness influencer engagement. They found the same thing: when fitness professionals perform authenticity in their marketing, the audience doesn’t just shrug. They disengage, and they judge.

Research from both social media ethnography and fitfluencer marketing confirms that audiences have developed a sensitive detector for performed authenticity. When fitness professionals optimise their “real” content, followers pull back. The mechanism isn’t cynicism. It’s social comparison. And the distance between aspirational and attainable turns out to be the most consequential gap in fitness marketing.

What Two 2025 Studies Found About Fitness Authenticity

Edelblum, Frank, and Palmer’s 2025 paper “The Beauty Backfire Effect: How Extreme Attractiveness Undermines Fitfluencer Relatability and Engagement,” published in Psychology & Marketing, set out to test whether physical attractiveness drove engagement for fitfluencers. The hypothesis was straightforward — better-looking coaches, more followers. The data disagreed. Across three studies, highly attractive fitfluencers received lower engagement than moderately attractive ones, measured by liking and following intentions. The explanation wasn’t that people disliked what they saw. It was that they stopped seeing themselves in it.

Perceived relatability was the mediating variable. When the physical gap between coach and follower becomes wide enough, the follower’s orientation shifts from this is where I’m headed to this has nothing to do with me. The content stops functioning as a destination and starts functioning as a reminder that the destination was never realistic. For female fitfluencers, the effect was about 4.5 times stronger than for males — a finding the researchers note, without quite resolving.

Tiidenberg and Kneas, presenting at the Association of Internet Researchers, spent thirteen years across multiple platform ethnographies watching everyday users navigate what they call the tension between attention and authenticity. What they found was that audiences have an internalized norm against what they perceive as attention-seeking, and they apply it without mercy. Participants in their research called out-and-out attention-seeking “pathetic.” One described watching a yoga teacher use physical appeal to funnel followers toward sponsored green juice and said it made him feel manipulated. Not sold to. The word was manipulated.

Both studies are describing the same audience behaviour from different angles: people have become fluent in the grammar of performed authenticity, and fluency makes them suspicious.

Authenticity Labor   The strategic effort required to appear genuine and unguarded on social media. Coined in influencer marketing research to describe the work involved in constructing a persona that reads as unconstructed. The term contains its own irony in that authentic labor is still labor, and an audience that recognises the labor stops reading the result as authentic.
The Beauty Backfire Effect   A phenomenon identified by Edelblum et al. (2025) in which extremely attractive fitfluencers receive lower audience engagement than moderately attractive counterparts. The mechanism is reduced perceived relatability rather than reduced perceived attractiveness. The audience still registers the physical ideal. They simply stop believing it connects to their own situation.

Why Authenticity in Fitness Marketing Fails Differently

Tiidenberg’s paper names public fitness accounts on Instagram as the clearest example of the attention economy operating at full commercial saturation. Not lifestyle content, not food, not fashion. Fitness. The implication is that fitness professionals are working in the content environment where audiences have spent the most time calibrating their radar for performance.

They’ve seen thousands of transformation posts. They know what lighting does. They’ve read enough “honest” captions to recognise the sentence structure. When your audience is this familiar with the conventions of authentic fitness content, every choice you make in a post is being read against those conventions — including the choices you think are spontaneous. The unmade bed in the background of your reel isn’t humanizing. At a certain point it’s just a prop that gets used in reels.

This is what makes Edelblum’s mitigation finding interesting. When highly attractive fitfluencers adopted a genuinely humble self-presentation — sharing actual training plateaus, failed sessions, the messy in-between moments rather than the before and after — the engagement gap with moderately attractive fitfluencers disappeared entirely. When they adopted a prideful tone, the gap widened. The audience wasn’t asking the coach to be less capable. They were looking for evidence that the coach had at some point been in the position the follower is in right now, and hadn’t forgotten it.

When Humble Content Still Reads as a Technique

Tiidenberg introduces a concept she calls flexible authenticity, which captures something useful. What counts as authentic isn’t a fixed standard. BeReal users in her research who deliberately posted late — during a more interesting part of the day rather than when the app’s timer fired — weren’t considered inauthentic by themselves or their audience. They were still representing themselves honestly. They just curated which honest self to show, and the audience’s tolerance for that depended entirely on whether they could see the intent behind the curation.

That last clause is doing a lot of work. Content that’s been strategically humbled — a post acknowledging a difficult week, followed three lines later by an affiliate code — reads the construction. The vulnerability becomes a technique, and an audience that reads it as a technique will adjust their interpretation of everything that surrounds it. The same caption from a creator who doesn’t have an affiliate code in the post lands differently.

Neither paper produces a content checklist because the research doesn’t support one. Audiences aren’t matching posts against a list of authentic criteria. They’re making a felt assessment of whether something is real, based on everything they know about the creator and the context. That assessment is slow to build and fast to revise.

Research Summary

ConceptFindingFitness Parallel
Beauty Backfire EffectHighly attractive fitfluencers get lower engagement than moderately attractive counterpartsPhysical idealism reduces perceived relatability; audiences disengage when the gap between coach and follower feels permanent
Authenticity LaborEveryday users recognise and distrust content optimised to appear unoptimisedFitness content that performs rawness activates the same scepticism as obvious advertising
Flexible AuthenticityWhat reads as authentic depends on perceived intent, not content format aloneVulnerability paired with commercial motive reads as technique rather than honesty
Humble Self-PresentationSharing real struggles eliminated the engagement deficit for highly attractive influencersThe gap between coach and member becomes motivating only when the coach visibly remembers crossing it

The Question

If your audience can distinguish between vulnerability and performed vulnerability — and the research suggests they can — what would the unperformed version look like in your content, and when did you last post it?

People Also Ask

What is authenticity in fitness marketing?

Authenticity in fitness marketing refers to content and communication that an audience perceives as genuinely motivated rather than commercially constructed. Research consistently shows that perceived authenticity matters more than structural authenticity — a creator can be technically honest while still reading as performative. The gap between what a fitness professional intends and what their audience experiences is where most authenticity strategy breaks down.

Why does “being real” on social media sometimes backfire for fitness coaches?

It backfires when authenticity becomes a recognisable content format. Once audiences are familiar with the conventions of “real” fitness content, those conventions stop signalling authenticity and start signalling awareness of what authentic content is supposed to look like. Edelblum et al. (2025) found this is most pronounced in fitness, where physical appearance shapes a coach’s credibility directly, making any distance between coach and follower immediately legible.

Does being highly attractive hurt fitness influencers?


In the fitness context specifically, yes. Edelblum, Frank, and Palmer’s 2025 Psychology & Marketing study found that highly attractive fitfluencers received significantly lower engagement than moderately attractive counterparts due to reduced perceived relatability. The effect was considerably stronger for female fitfluencers. It was not replicated at the same magnitude in other influencer categories, suggesting it’s tied to how closely physical appearance functions as both credential and product in fitness content. Humble self-presentation — sharing real struggles, plateaus, and failure — was found to close the gap.

References

1. Edelblum, A., Frank, A., & Palmer, J. (2025). The Beauty Backfire Effect: How Extreme Attractiveness Undermines Fitfluencer Relatability and Engagement. Psychology & Marketing. https://doi.org/10.1002/mar.70023

2. Tiidenberg, K., & Kneas, D. (2025). Reclaiming Authenticity Within the Attention Economy. Selected Papers of #AoIR2025: The 26th Annual Conference of the Association of Internet Researchers. Niterói, Brazil: AoIR. [Conference paper — pre-publication.]

3. Pooley, J. (2010). The Consuming Self: From Flappers to Facebook. In M. Aronczyk & D. Powers (Eds.), Blowing Up the Brand. Peter Lang Publishing.

4. Duffy, B.E., & Hund, E. (2015). “Having it All” on Social Media: Entrepreneurial Femininity and Self-Branding Among Fashion Bloggers. Social Media + Society.

5. Festinger, L. (1954). A Theory of Social Comparison Processes. Human Relations, 7(2), 117–140.


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