Brazil
Mari Kruger is a Brazilian science communicator whose TikTok presence, built on a biology degree, has grown into a macro-level platform with millions of followers.
Total Followers +0.0%
1.7M
Across TikTok
Primary Platform
YouTube
1.7M followers · 100% of audience
Engagement
17.0%
vs. 1.5% category median
Sponsorship Tier
Macro
The science communicator headlined the multi-day innovation event at Universidade Feevale, speaking on science and innovation to an audience spanning business, academia, and the broader community.
The biology-trained creator was recognized among Brazil's top educational TikTokers, underscoring her growing profile in science communication on the platform.
| Platform | Followers | 30d Growth | Engagement | Posts / wk | Last upload |
|---|---|---|---|---|---|
| TikTok | 1,700,000 | +0 | 17.0% | 3 | 4 days ago |
| Window | TikTok | Combined | ||
|---|---|---|---|---|
| Last 7 days | +0 +0.0% | +0 +0.0% | +0 +0.0% | +0 |
| Last 30 days | +0 +0.0% | +0 +0.0% | +0 +0.0% | +0 |
| Last 90 days | +0 +0.0% | +0 +0.0% | +0 +0.0% | +0 |
| Last 365 days | +0 +0.0% | +0 +0.0% | +0 +0.0% | +0 |
Daily follower snapshots from CreatorDB's longitudinal index.
Mari Kruger is a Brazilian science communicator whose TikTok presence, built on a biology degree, has grown into a macro-level platform with millions of followers. Her content covers health literacy, nutrition skepticism, and medical advocacy in accessible Portuguese, pushing back against wellness misinformation — a crowded and contested space in Brazilian social media. Her platform bio, "formada em biologia e perdida no personagem" (graduated in biology, lost in the character), signals both her academic grounding and the self-aware creator persona she has constructed around it. Captions urging followers to consult doctors and resist supplement hype reflect a consistent editorial stance: science over trend.
Her audience skews heavily young and female, with the 18-to-34 bracket comprising the vast majority of viewers — a demographic that health-conscious and wellness-adjacent brands actively pursue. A Dove partnership centered on asthma awareness and respiratory health illustrates her ability to lend credibility to brand messaging in sensitive health categories. Engagement sitting far above category norms indicates an audience that responds and debates rather than passively scrolling — a quality signal that commands premium positioning for sponsored content. As health misinformation remains a persistent concern across Brazilian digital culture, a biology-trained creator with demonstrated audience trust is well placed to deepen partnerships with regulated-industry sponsors in pharma, nutrition, and public health.
Marikruger reaches an audience concentrated in Brazil primarily through YouTube, and is best activated via TikTok branded content. Their sponsorship history skews toward Personal Care / Beauty, a clear signal of fit for brands in those categories. Demonstrated partners include Dove. Engagement on YouTube runs around 17.0%, which points to an audience better suited to category-relevant, mid-funnel campaigns than to pure-reach buys. Their YouTube-first format lends itself to integrations that sit inside the creator's usual content rather than running as standalone ads. Because the audience follows education content rather than arriving through untargeted reach, sponsorships that match the channel's subject matter tend to convert more efficiently than broad placements. A consistent, on-topic posting focus gives sponsors a predictable, brand-safe environment, lowering placement risk compared with broad, general-interest channels. Campaigns here are best measured on qualified engagement and consideration within the niche rather than on raw impression volume. For Brazil-focused brands in Personal Care / Beauty and related categories, Marikruger offers a defined, creative-fit audience rather than broad, low-intent impressions.
Benchmark estimates for a creator at Marikruger's tier (Macro, 1.7M combined followers, Brazil). Pulled from CreatorDB's category benchmarks.
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Yes — her bio opens with "formada em biologia," meaning she graduated in biology. She channels that scientific background into health and science content that fact-checks popular wellness claims rather than amplifying them.
It's Portuguese for "lost in the character," hinting that she uses a persona or character as part of her content style. That blend of scientific credibility and character-driven delivery is central to what makes her approach stand out.
Asthma awareness is one of her signature topics — she's created content specifically about people who deny or neglect their own asthma diagnoses. Her Dove Aerosol partnership also tied directly into lung health themes, making it a thematically natural brand fit.
She partnered with Dove on a campaign for Dove Aerosol, tagging posts with hashtags like #vaidedove and #doveaerosol and disclosing it as paid advertising with #publicidade. The collaboration aligned with her existing lung health and asthma awareness content, which gave it clear thematic relevance for her audience.
She's posted questioning whether people genuinely need as much protein as supplement culture promotes, or whether it's mostly driven by influencers chasing intake goals. Her biology background lends her nutrition takes more credibility than the typical "eat more protein" influencer post.
Explicitly pro-science — she's posted that she "votes for science" and for quality public education, placing herself firmly against health misinformation. Pushing back on pseudoscience and popular health myths is a defining pillar of her content identity.
She's called out the idea that correct hygiene completely eliminates certain risks, pushing back on overclaims that often appear in cleaning product marketing. Her biology training lets her address these topics with more authority than typical lifestyle creators.
Yes — she's posted content with lines like "every cell in your body is begging: see a doctor, eat varied food," actively steering followers toward professional medical advice. That stance sets her apart from creators who position themselves as a substitute for actual healthcare.
She has built a Macro-tier audience on TikTok, with well over a million followers, and her engagement rate runs dramatically above the platform's category median. Her audience is overwhelmingly Brazilian, making her one of the more prominent Portuguese-language science communicators on the platform.
Marikruger is based in Brazil, and the vast majority of her followers are also located in Brazil. All of her content is in Portuguese and engages directly with Brazilian public health conversations and science culture.
Stats (followers, engagement, audience demographics, growth) are pulled live from the CreatorDB API covering YouTube, Instagram and TikTok. Bio and FAQ content is AI-assisted; news items are sourced from cited public press at generation time. Read the full methodology →
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@marikruger · YouTube
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