Top 20 American Science Influencers on Instagram (Jul 2026)

We found 282 science Influencers in United States
These influencers mention 'science' in their Instagram bio and have audiences primarily in United States. Here are the top 20. To run a custom search, check out Modash's influencer discovery features (free to try).
07/27/2026
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1. Austin Keil

United States

🇻🇬 | B.S. Computer Science @ucla | Ex-Meta Software Engineer | 1x BVI National Rugby Team MVP | @1stphorm Athlete | @badmanathletics

Followers
796.1k
Fake followers
21.27%
Engagement rate
2.15%
Average Reel plays
72.7k
Audience gender
female
76.09%
male
23.91%
Engagement rate benchmark
  • Median
Audience location by country
United States
79.41%
United Kingdom
3.34%
Canada
2.52%
Australia
1.81%
South Africa
1.17%
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2. Ms. Santalo 💓👩‍🔬

United States

Science teacher who loves pink! 💌 : thatpinkscienceteacher@gmail.com @angiesantalo

Followers
246.2k
Fake followers
17.3%
Engagement rate
4.26%
Average Reel plays
24.6k
Audience gender
female
83.17%
male
16.83%
Engagement rate benchmark
  • Median
Audience location by country
United States
80.33%
Canada
4%
Australia
3.81%
United Kingdom
3.65%
South Africa
0.79%
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3. Jeremy Scheck

United States

🥕realistic recipes, science & culture 🚀over 2 million on TikTok 📍back in DC / NY 🇺🇸 after 2 years in 🇪🇸 ⚡️by @scheck 📚”cooking smarter” book out now

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4. Alie Ward

United States

@Ologies podcast. Emmy-winning writer, science host on @cbsinnovationtv @cbsinventiontv @Netflix’s 100 Humans & Brainchild, ScienceChannel. Ur dad.

Followers
179.1k
Fake followers
20.18%
Engagement rate
3.09%
Average Reel plays
68.3k
Audience gender
female
62.55%
male
37.45%
Top performing Reels
  1. 80 943
  2. 25 567
  3. 23 366
Engagement rate benchmark
  • Median
Audience location by country
United States
76.27%
Canada
5.72%
United Kingdom
2.79%
Australia
2.35%
Brazil
1.6%
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6. KARLY DRIFTWOOD

United States

Doorgirl & Songwriter Mortuary Science Grad Myspace emo kid Aprendiendo español Richmond,VA -> Nashville,TN

Followers
156.4k
Fake followers
20.12%
Engagement rate
2.89%
Average Reel plays
125.8k
Audience gender
female
29.2%
male
70.8%
Engagement rate benchmark
  • Median
Audience location by country
United States
85.93%
Canada
2.67%
United Kingdom
2.04%
Australia
1%
Italy
0.73%
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7. kay

United States

all things gym, science, nontoxic & Jesus 🕊️ @just.ingredients.shop @primallypure code | kayshreddy DM me a “💗” for guidance! 💌kayshreddy@gmail.com

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9. Kizzmekia Corbett-Helaire

United States

Viral immunologist + Vaccine inventor 🦠👩🏿‍🔬 Making science understandable (& fashionable) 📈 👠 @harvardchansph professor + @hwaspeakers speaker

Followers
102.8k
Fake followers
20.42%
Engagement rate
4.9%
Average Reel plays
3.3k
Audience gender
female
82.31%
male
17.69%
Top performing Reels
  1. 72 083
  2. 24 735
  3. 23 960
Engagement rate benchmark
  • Median
Audience location by country
United States
88.38%
Canada
2.64%
United Kingdom
1.49%
Nigeria
0.5%
South Africa
0.44%
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10. Kayla Osterhoff, MPH, PhD

United States

♀Neuropsychophysiology⌇Women’s Health Science ♀Founder of Her Biorhythm ™ ♀Closing gender gaps in research, edu, policy 👇LEARN MORE👇

Followers
95.8k
Fake followers
23.03%
Engagement rate
2.78%
Average Reel plays
3.1k
Audience gender
female
66.59%
male
33.41%
Top performing Reels
  1. 460 819
  2. A “woman’s intuition” is a real thing that modern neuroscience is only beginning to understand and measure! Here are some key neurological factors that contribute to female intuition: 🧠 Larger Mirror Neuron System: With more active anterior cingulate cortex and superior temporal sulcus areas, women can more accurately interpret nonverbal cues, better anticipate the needs of others, and navigate complex social dynamics. 🧠 Higher Inter-Hemispheric Connectivity: Enhanced communication between the brain’s hemispheres allows for more integrated and holistic processing of information, contributing to a nuanced understanding of complex situations. 🧠 More Active Anterior Cingulate Cortex: Crucial for error detection and judgment, enabling women to make quicker and more accurate assessments in various situations. 🧠 Stronger System 1 Thinking: Often referred to as the “gut feeling” mode of thought, which is fast, automatic, and relies on heuristics and pattern recognition. 🧠 Enhanced Emotional Processing: Higher gray matter volume in the anterior cingulate gyrus, insula, and hippocampus underlie women’s heightened emotional awareness, empathy, and interoception—awareness of internal bodily sensations. These brain regions play critical roles in emotional regulation, processing, and memory, contributing to enhanced emotional and empathetic responses. Stay tuned for more fascinating female neuropsychophysiology facts and tag your friends who need this info! #WomensIntuition #Empathy #EmotionalIntelligence #Intuition #femalebrain #femalescience #womenshealth #neuroscience #neurophysiology #neuropsychophysiology #neuronerd #neuropsychology #herscience #herbiorhythm
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  3. Imagine if your brain fundamentally changed every week. For women, this isn’t science fiction—it’s reality! Because estrogen and progesterone are powerful neurochemicals that significantly change female brain physiology, mood, and cognition as they ebb and flow throughout the month. That’s right… four different brains, four different realities—every👏 single 👏month👏! Here’s a simplified overview: 🧠 Menstrual Brain: Lowest E/P, lower metabolic conversion of brain fuel, less activity excitatory/mood boosting neurotransmitters, more sensitive to stress, more introspective/intuitive cognitive state. 🧠 Follicular Brain: High E, higher metabolism, up-regulate serotonin/dopamine/epi/norepi/glutamate neurotransmitter activity, better focus and mental energy, enhanced EQ. 🧠 Ovulatory Brain: Peak E, peak energy/focus, peak mood, peak emotional intelligence, enhanced communication skills, more social cognitive state. 🧠 Luteal Brain: Low E/high P, up-regulate GABA, neuro-plasticity, neurogenesis, microglial activation, enhanced IQ and memory consolidation. This monthly brain cycle affects every aspect of a woman’s life, yet it remains largely ignored by mainstream medicine. Ignoring this fact means misunderstanding half of humanity’s mental health and cognitive potential. To learn more about the female brain and all of its amazing intricacies, check out HerBiorhythm.com and hop on the waitlist for our next female neuropsychophysiology certification training 💜 And please tag your friends who need this info! 🙏 #Womensmentalhealth #menstrualcycle #neurodiversity #femalebrain #femalescience #womenshealth #neuroscience #neurophysiology #neuropsychophysiology #neuronerd #neuropsychology #herscience #herbiorhythm
    36 707
Engagement rate benchmark
  • Median
Audience location by country
United States
66.24%
Canada
5.12%
United Kingdom
5.03%
Australia
2.96%
India
1.72%

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11. Amy Shira Teitel

United States

Historian and author with a focus on science, technology, and a lot of space. And yes, I’m the one on those Science Channel shows!

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12. Morgan Fitzgerald, PhD (c)

United States

🧠 Neuroscientist turned migraine coach ∙ From disabled → remission after 15 years ∙ Science-backed tools to retrain your brain 🔗 Free attack guide 👇

Followers
88.7k
Fake followers
17.98%
Engagement rate
2.61%
Average Reel plays
78.6k
Audience gender
female
92.59%
male
7.41%
Top performing Reels
Engagement rate benchmark
  • Median
Audience location by country
United States
56%
United Kingdom
12.56%
Canada
7.79%
Australia
4.39%
Germany
3.16%
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13. science sam

United States

science for baddies 💪 from a bioengineer 🧬 because knowledge is power 🧠 💌: thesciencesam@gmail.com

Followers
85.5k
Fake followers
13.62%
Engagement rate
4.8%
Average Reel plays
56.3k
Audience gender
female
13.75%
male
86.25%
Engagement rate benchmark
  • Median
Audience location by country
United States
61.67%
Canada
8.09%
United Kingdom
7.38%
Australia
5.67%
India
1.25%
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14. Dr. Lucky Tran

United States

Science Comms, Public Health, Climate Justice Biology PhD from Cambridge @WHO Fides, @grist Fixer, Creative Change alum New Yorker/Aussie Opinions own

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15. Lily | Cosmetic Scientist + Accessibility Specialist

United States

Simple, science backed skincare + hygiene education minus the shame MS PharmChem In @voguemagazine @netflix Mom x2 lilynjoroge@thedigitaldept.com

Followers
82.5k
Fake followers
19.19%
Engagement rate
3.5%
Average Reel plays
49.2k
Audience gender
female
93.63%
male
6.37%
Top performing Reels
  1. 39 467
  2. 26 946
  3. 23 325
Engagement rate benchmark
  • Median
Audience location by country
United States
76.1%
United Kingdom
3.78%
Kenya
3.1%
Canada
3.06%
Nigeria
1.78%
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16. Tim Barnett | Mr. B

United States

Jesus Follower | Author | Apologist at @standtoreason | Doodle at @redpenlogic | Girl Dad | Former Science Teacher | Wannabe Philosopher | Made in 🇨🇦

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17. Dr. Eric Sprankle

United States

Professor of Clinical Psychology • Author of DIY: The Wonderfully Weird History and Science of Masturbation (link below) • Horror enthusiast

Followers
77.9k
Fake followers
21.16%
Engagement rate
3.34%
Average Reel plays
20k
Audience gender
female
73.86%
male
26.14%
Engagement rate benchmark
  • Median
Audience location by country
United States
57.06%
Canada
7.02%
India
6.25%
United Kingdom
5.02%
Australia
3.78%
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18. Jack Gatto

United States

Hollywood CA 3D & 2D Artist / Animator

Followers
72.4k
Fake followers
16.01%
Engagement rate
3.79%
Average Reel plays
57.6k
Audience gender
female
39.59%
male
60.41%
Engagement rate benchmark
  • Median
Audience location by country
United States
74.27%
Canada
7.2%
United Kingdom
3.77%
Australia
1.54%
China
1.03%
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19. Molly Miller

United States

Jesus over everything 💖 4th grade math & science teacher ㅤᵕ̈ 🧪✨👩🏻‍🏫 Wife to @calebashtonmiller 💍 mollymiller@thesociablesociety.com 💌

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20. Jaclyn London, MS, RD | NYC Dietitian, Consultant & Author

United States

Your go-to nutrition expert. Dietitian, author, speaker, renowned myth-buster. Wellness insights, product reviews, & science-based tips for real life👇

Followers
68.5k
Fake followers
24.58%
Engagement rate
4.2%
Average Reel plays
20.3k
Audience gender
female
87.94%
male
12.06%
Top performing Reels
  1. This will ruffle some feathers 👇 But a few glasses of wine did not “ruin your life,” @steven. You had a normal physiological response to drinking alcohol. I’m a dietitian, & I honestly think having a few drinks with friends more often might be good for you. Hear me out. True, alcohol can affect sleep, appetite, focus, etc. The data also show that the more you drink, the greater your long-term risk of chronic disease. PMID: 28546524 But somewhere between the Yuka app and the Oura ring, we started interpreting everything we eat, drink, & do as inflammatory, damaging or toxic. That mindset has health consequences too. We now live in a world where:
• Your lunch has a letter grade
• Your metabolic response to food is a “glucose spike”
• Not hitting your protein goals means your muscle mass is deteriorating • Walking less than 10K steps is lazy Wellness culture IS the new diet culture. It normalizes hypervigilance. Catastrophizes moderation. Equates fun with danger. Turns life into one giant purity contest. The difference is that with wellness & biohacking, there’s no finish line or moment where you’re finally optimized enough. Meanwhile, the Mediterranean diet — one of the most well-studied lifestyle patterns associated with longevity & reduced chronic disease risk — has historically included not *just* wine, but conviviality, shared meals & connection. PMID: 38424420, 39940436 By contrast, social isolation is associated with significantly higher risk of disease & mortality in large meta-analyses. (PMIDs: 37337095, 25910392) So, bottom line: Go out. Have dinner and drinks with your friends. Be hungover sometimes. Part of being an adult is learning that not every uncomfortable experience is harmful — especially when the tradeoff was a great night spent with people you love. An imperfect workout, sleep score, or lower-productivity day will not ruin your health. What exactly are we trying to optimize ourselves FOR if we’re too afraid to actually enjoy our lives while we’re living them? Thoughts? LMK 👇 & follow @jaclynlondonrd for more nutrition tips & myth-busting. #dietitian #diaryofaceo #wellness #mythbusting 🎥: @thediaryofaceopodcast
    2 874
  2. If the new food pyramid made you feel something…👇 That’s the point. A big distinction getting lost in the conversation about the new Dietary Guidelines for Americans: The pyramid is the brand. The Guidelines are the product. Brand is about how something makes you feel. Product is about what it actually does. Our take: A lot of people needed to see the pyramid flipped to feel like we’re finally taking diet-related chronic disease seriously — even though we haven’t used a pyramid since 2011. Now, zoom out. When you read the actual Dietary Guidelines, the fundamentals are strong. •Fruits and vegetables throughout the day •Whole grains emphasized more clearly •Adequate protein at meals •Drink unsweetened beverages •Avoid ultra-processed packaged foods The saturated fat cap remains <10% of calories. Protein guidance is meaningfully higher (~1.2–1.6 g/kg). Whole grains are more clearly prioritized. Added sugar targets are tighter (<5-7%) and supported by the science. Here’s the part that often gets missed: The DGA are ultimately written for industry. Yes, they guide federal programs. Yes, they inform public health messaging. But industry is who uses them most — which is why certain recommendations matter so much. Capping added sugar at <10g per meal isn’t advice for individuals; it’s a signal for product formulation, reformulation, and innovation. The Guidelines have always tried to balance what’s ideal with what’s realistic. That tension creates inconsistencies — and that’s where nutrition professionals come in. What deserves real critique: •Fiber is under-emphasized (≈95% of Americans fall short) •Non-nutritive sweeteners are grouped with added sugars despite a very different evidence base •It’s unclear how to reconcile inclusion of higher saturated fat foods with “limit sat fat intake to <10% of calories.” •Science and value-based language sometimes blur, fueling confusion. Bottom line: The science is largely solid — the real impact will come from how industry responds, federal programs implement it, and consumers experience it in real life. What do you think of the new Dietary Guidelines? Let us know 👇 #dietaryguidelines #nutrition #news
    64
  3. HARD NO 👇 Cyclospora is NOT a weight-loss strategy, people. Clearly this is satire, but just in case you’re wondering: Foodborne illness-induced “weight” loss is mostly low appetite + fluid loss—not some metabolic kickstart.  A parasitic infection may require antibiotics, diapers, strong plumbing, & weeks of symptoms that seemingly disappear, then return with a vengeance… or become severe enough to land you in the hospital. So if you’re considering eating bags of lettuce to get shredded: Don’t. On my feed, CyclosporaTok is a tale of two extremes: “Get sick to lose weight” on one side and “Stop eating produce to stay safe” on the other—including from doctors. Both are wrong. About 90% of Americans already fall short on vegetables, yet higher fruit & vegetable intake is consistently associated with lower risks of cardiovascular disease, cancer & premature death (PMID: 28338764). So as an RD & mom of littles, here’s what I’m doing: Eating cooked veggies: Cyclospora dies at 158°F/70°C. Roasting, sautéing, steaming or microwaving until veggies are hot & tender throughout gets you there—no thermometer required. Serving snacks: I’m rinsing berries, grapes & cherry tomatoes under cool running water while rubbing/moving them around. Skip soap & produce wash: They’re not Cyclospora-killers & can leave residues we just don’t need. Washing peels & rinds: Bananas, citrus, & avocado have built-in protection, but rinse the outside so your hands or knife don’t transfer contaminants to the part you eat. Pausing bagged lettuce & salad kits: Leafy greens are eaten raw, have hard-to-clean layers, & washing can’t reliably remove Cyclospora. If I want salad, I’ll buy a whole head, discard the outer leaves, then rinse & rub the inner ones. Bottom Line: Be a person. Don’t chase food poisoning, but don’t let fear-mongering chase ALL produce out of your kitchen. Eat vegetables. Practice food safety. And skip raw bagged salads until we know more. Questions? LMK 👇 & follow @jaclynlondonrd for nutrition tips & myth-busting. #foodsafety #news #mythbusting 🎥: @gemma.moro
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Engagement rate benchmark
  • Median
Audience location by country
United States
87.93%
Canada
2.62%
United Kingdom
0.94%
Mexico
0.6%
Australia
0.56%

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