Staying healthy can feel complicated, but a few inspiring voices can make it much easier. American health influencers have turned their passion for wellness into powerful platforms to motivate millions of users. They share workout routines, diet tips, medical advice, and personal wellness journeys that resonate with their followers.
If you’re looking for inspiration, reliable tips, or just someone who gets it, these stars can help you.
In this blog, we’ll highlight the top American health influencers to follow across TikTok and Instagram.
At the end, we will introduce a free influencer marketing platform that allows you to connect with health influencers in the U.S and worldwide.
American Health Influencers on TikTok (Top 5)
TikTok’s short-form videos have attracted millions of users around the world. Here are some of the best health influencers on this platform to check out.
1. Dr. Muneeb Shah (@dermdoctor)
With over 18M followers on TikTok and 1.1M followers on Instagram, Dr. Muneeb Shah is the most-followed skin doctor on TikTok. As a board-certified dermatologist specializing in skincare education, he shares skincare myths, reacts to skin treatment videos, and shares affordable skin health tips.
- Followers: 18 million
- Niche: Dermatology and skincare
- Content: Myth-busting, skin reaction videos, budget skincare tips
- Engagement: Viral videos with 1–5 million views; high like ratio
- Views/Likes: Up to 2.3M likes per video
Key Achievements
- Gained viral fame as “DermDoctor,” making the Forbes 30 Under 30 list in healthcare.
- Co-founder of a skincare line called Remedy Skin.
Past Brand Partnerships
- Muneeb has collaborated with major skincare brands like CeraVe and Neutrogena on educational campaigns.
- He frequently shows over-the-counter products (not sponsored) to teach proper use.
- His authenticity has led to partnerships without seeming “ad-like,” such as consulting for product development with brands leveraging his expertise.
2. Jen Hamilton, RN (@jen_hamilton)
As a woman, Jen Hamilton is one of the top influencers you need to follow on social media. Jen is a nurse, mom, wife, and women’s health advocate with 1.1M followers on Instagram and 4M followers on TikTok. She shares skits about nursing bloopers, tips for expecting moms, and day-in-the-life vlogs in the hospital.
- Followers: 4 million on TikTok
- Niche: Nursing and motherhood
- Content: Nurse humor, birth advice, mental health support
- Engagement: Estimated 20% engagement on viral posts
- Views/Likes: Up to 1.2M views, 500K+ likes
Key Achievements
- Named a “Nurse of the Year” social media honoree by Nurse.org for using humor to spread nursing awareness.
- Keynote speaker at nursing conferences.
- Featured in news outlets for her compassionate take on nursing during COVID-19.
Past Brand Partnerships
Jen has monetized her platform through partnerships relevant to her field. She has worked with Cherokee and FIGS to model comfortable nurse attire and maternity product companies. She also collaborates with health apps, like pregnancy trackers, and has done sponsored posts for baby gear.
3. Tabitha Brown (@iamtabithabrown)
Born in North Carolina, Tabitha is an actress, Emmy-winning host, and one of the top American health influencers. She has appeared in multiple television shows, including ‘The Chi and Good Morning America.’
On social media, she shares vegan recipes, gentle parenting, and motivational wisdom. This star is known for her warm, feel-good videos on TikTok and Instagram with plant-based cooking demos.
- Followers: 5M on TikTok
- Niche: Vegan lifestyle and self-love
- Content: Vegan cooking, affirmations, family life
- Engagement: Hundreds of thousands of likes per post
- Views/Likes: Up to 20M views on viral content
Key Achievements
- NYT Bestselling author of ‘Feeding the Soul.’
- Emmy Award-winning host of a children’s show.
- She hosted Food Network’s It’s CompliPlated and the YouTube Originals kids show Tab Time.
- Launched her own seasoning with McCormick and a Target collection of vegan food and kitchenware.
Past Brand Partnerships
Tabitha regularly works with brands that align with her values. She partnered with Whole Foods Market as a spokesperson promoting vegan options, and with Target on multiple exclusive product lines.
Other partnerships include the Calm app and Vegan skincare lines. She tends to avoid partnerships that don’t fit her uplifting, family-friendly brand.
4. Dr. Anthony Youn (@doctoryoun)
With 20 years of experience as a certified plastic surgeon and performing tens of thousands of successful cosmetic procedures, Dr. Anthony Youn joined social media as one of the top American health influencers.
He is one of the most-followed cosmetic doctors who shares general wellness tips. His content includes entertaining reaction videos, extreme cosmetic procedures, Q&A about plastic surgery, skincare routine advice, etc.
- Followers: 8.5M TikTok, 5.5M YouTube
- Niche: Plastic surgery and holistic skincare
- Content: Reaction videos, skincare tips, cosmetic procedure education
- Engagement: 8–10% engagement, 1M+ likes/video
- Views/Likes: Videos up to 10M views
Key Achievements
- An established surgeon with 20 years of practice
- He’s the author of multiple bestsellers: The Age Fix, Playing God, etc.
- Appeared on shows like Dr. Oz and The Doctors.
- Launched his own skincare line “Youn Beauty,
Past Brand Partnerships
Dr. Youn frequently promotes his own skincare line, “Youn Beauty,” on social channels. But that’s not all! He collaborates with skincare device companies and health supplement brands that align with his holistic philosophy.
Additionally, he’s done humorous ads for products like pimple patches and sunscreen.
5. Kylie Sakaida, RD (@nutritionbykylie)
The list of American health influencers is not complete without a dietitian to show you healthy meals. Kylie Sakaida is a registered dietitian who simplifies nutrition science and shares realistic, healthy recipes.
She shares quick TikTok clips busting diet myths, easy meal prep ideas, high-protein snack hacks, and “What I eat in a day as a dietitian” vlogs.
- Followers: 2.8M TikTok, 1.5M Instagram
- Niche: Nutrition and healthy eating
- Content: Meal preps, diet myths, snack ideas
- Engagement: 2–4% on educational content
- Views/Likes: Up to 10M views on viral TikToks
Key Achievements
- Kylie has a cookbook on the way, which is available for pre-order.
- She’s been featured in Women’s Health and Shape magazines as a rising nutrition influencer.
Past Brand Partnerships
Kylie has partnered with health food and kitchen brands that align with her content. Some of the most popular brands are HelloFresh and kitchen appliance brands like Ninja. She’s also been an ambassador for a probiotic supplement brand, emphasizing gut health.
Top American Health Influencers on Instagram
Many health influencers have built massive followings with motivational posts, transformative before-and-afters, and daily wellness tips on Instagram. Let’s check some of the top creators from the U.S.
1. Jen Selter (@jenselter)
Mostly known as a fitness model, Jen Selter is one of the most popular American health influencers. This 31-year-old star is famous for her workouts and glute-training tips.
Often dubbed the “Queen of Instagram fitness,” Jen helped pioneer the online fitness influencer trend. She shares different types of health-related content, such as workout videos, gym selfies, healthy recipe ideas, and motivational quotes.
- Followers: 13M
- Niche: Fitness and motivation
- Content: Workouts, gym selfies, meal ideas
- Engagement: 0.5% (50–70K likes/post)
- Views/Likes: Reels with 500K+ views
Key Achievements
- She was named among Forbes’ top fitness influencers and appeared on the cover of Cosmopolitan and Women’s Health.
- Launched her own fitness app and a line of workout programs.
- In 2020, she was listed as one of the most influential fitness personalities globally.
Past Brand Partnerships
Jen has a long history of brand deals with top athletic and lifestyle companies. She’s worked with BlendJet, Lululemon, New Balance, and Nike. She’s also promoted supplement brands, like collagen powders, fitness equipment, and even beauty products.
In recent years, she’s focused on her own ventures, her workout platform “FitPlan” and her bodyweight exercise product line, reducing outside sponsorships to those most aligned with her brand.
2. Michelle Lewin (@michelle_lewin)
Starting as a model at a young age, Michelle Lewin found her spark in fitness and is currently one of the top American health influencers. Michelle is known for her sculpted physique and bodybuilding videos.
As a Venezuelan-born, Miami-based fitness influencer, she often tags her content with both Spanish and English captions. On her account, she shares gym workouts, swimsuit and activewear modeling shots, and personal lifestyle posts.
- Followers: 15.9M
- Niche: Fitness and body sculpting
- Content: Gym workouts, recipes, lifestyle
- Engagement: 0.6–0.8% (up to 100K likes)
- Views/Likes: Reels with 1–3M views
Key Achievements
- Michelle has appeared on numerous fitness magazine covers, such as Sports & Fitness, and Oxygen.
- Named the Social Media Star of the Year by Bodybuilding.com.
- Created her own fitness app and the “Michelle Lewin” brand of supplements and gym apparel.
Past Brand Partnerships
- Early in her career, Michelle partnered with supplement giants like Ultimate Nutrition and clothing brands like Bang Energy/Volleyball.
- She’s been an ambassador for workout equipment companies.
- Currently, a lot of her promotion centers on her own product lines, but she still occasionally features other brands.
3. Dr. Nicole LePera (@the.holistic.psychologist)
When talking about health, mental well-being is equally important as physical health. Dr. Nicole LePera is a clinical psychologist turned social media mental health educator and one of the best American health influencers.
Nicole focuses on self-healing, trauma awareness, and holistic mental wellness through her social media channels. Unlike the predominantly physical health content of others on this list, her feed is therapy for the soul.
- Followers: 9M
- Niche: Mental health
- Content: Psychology tips, affirmations, self-healing
- Engagement: 1.4% (85K likes/post)
- Views/Likes: Up to 200K likes/post
Key Achievements
- Nicole is a NYT Bestselling Author of How to Do the Work, a self-help book that topped charts in 2021 and remains influential.
- Time Magazine recognized her in 2022 as a pioneer of mental health on Instagram.
Past Brand Partnerships
- Rather than typical brand ads, she collaborates with wellness platforms and apps such as Calm and Whoop.
- She’s also done IG Live series with authors and brands in the wellness space, like a collaboration with MindBodyGreen.
4. Dr. Mark Hyman (@drmarkhyman)
As a celebrity doctor and functional medicine advocate, Dr. Mark Hyman decided to join Instagram to share his knowledge. Dr. Hyman is a family physician who approaches health with an integrative lens, often discussing food as medicine.
He shares informative posts about nutrition science, clips from his podcast interviews with health experts, and personal wellness tips.
- Followers: 3M
- Niche: Functional medicine
- Content: Nutrition tips, podcast clips, health science
- Engagement: 1% (30K likes/post)
- Views/Likes: Reels with 200K–1M views
Key Achievements
- Dr. Hyman is a New York Times bestselling author, famed for books like Food: What the Heck Should I Eat? and The Pegan Diet.
- He’s the founder of the Cleveland Clinic’s Center for Functional Medicine.
Past Brand Partnerships
Dr. Hyman primarily promotes his own ventures (books, wellness retreats, supplements from his personal line). However, he occasionally partners with brands that meet his strict criteria. Many of his “partnerships” are institutional or campaign-based rather than product ads.
5. Massy Arias (@massy.arias)
Based in LA, Massy Arias is one of the top American health influencers and a health coach known for dynamic workouts and an inspiring personal transformation story.
Massy promotes a holistic approach: exercise, nutrition, and mental health. Her content focuses on intense workout videos, healthy recipe demos, and motivational talks about discipline.
- Followers: 3.1M
- Niche: Fitness and holistic health
- Content: Workouts, healthy meals, mental health
- Engagement: ~0.7% (15K–25K likes)
- Views/Likes: Reels up to 400K views
Key Achievements
- Massy Arias has been featured on the cover of Strong and Women’s Health magazines.
- She is a certified health coach and CEO of her own supplements company (TRU Supplements).
- Massy became an ambassador for CoverGirl in 2017
- Was recognized by Forbes in a list of top fitness influencers.
Past Brand Partnerships
- She’s been a long-time partner with Adidas in various campaigns, and fitness product companies like Fitbit.
- Additionally, she’s worked with baby product brands during her motherhood journey.
- Currently, she largely promotes her own TRU Supplements and Truco Enterprises, but still engages in selective partnerships.
How to Find American Health Influencers?
As mentioned, these influencers frequently collaborate with brands in their niche and can help their growth. But how to reach out to them and invite them to your campaigns?
There are different methods to try, but the best option is to choose a trusted influencer marketing tool.
Ainfluencer is a powerful influencer marketing platform designed to easily link brands with influencers.
This platform provides a database of over 5M active creators on Instagram, TikTok, and YouTube across different niches. With the help of an AI-powered search tool and advanced filters, you can easily find your best match.
To ensure they have an active and organic audience, you can view their profiles on Ainfluencers and access past collaboration data, engagement metrics, and latest account insights. The best part is that it’s completely free to join the platform and connect with creators.
Find the perfect influencers for your brand — sign up to Ainfluencer for free and start your first campaign today!
Conclusion
American health influencers are active in different categories, including fitness, dermatology, and debunking medical myths. These influencers are more than just content creators; they are catalysts for healthier lifestyles.
If your brand aligns with their niche, collaborating with these influencers is an effective way to expand your audience. Join Ainfluencer for free now and connect with hundreds of active health influencers on Instagram, TikTok, and YouTube!
FAQs
1. How Do I Know If a Health Influencer Is Actually Qualified?
It’s a great question because not everyone online is an expert. Many of the influencers listed here are licensed professionals like doctors, dietitians, or certified coaches. Always check their credentials in their bio or LinkedIn, and look for content that’s educational rather than just trendy. If they cite sources or have been featured in trusted media, that’s usually a good sign.
2. Can Small Brands Really Work With These Influencers?
Yes, definitely. While some of the biggest names may be pricey, many micro and mid-tier health influencers are open to partnerships, especially if your product fits their niche. Tools like Ainfluencer make it way easier to reach out and connect with the right people, even if you’re just starting out.
3. What Kind Of Content Do These Influencers Typically Create For Brands?
It depends on the platform and their style, but generally, it’s a mix of short videos (like TikToks or Reels), “day in the life” vlogs, product demos, recipe walkthroughs, or honest reviews. The key is that they usually keep things casual and real because that’s what their audience trusts most.
