Scroll through Instagram for five minutes and you’ll probably run into a fitness influencer (or ten).
They’re the energetic personalities sharing workouts, wellness tips, and life-changing health hacks, and there are a lot of them. In fact, more than 50,000 people on Instagram alone fit that description.
That’s a whole lot of voices telling you they’ve got the secret to getting stronger, leaner, or healthier.
The tricky part is not all of them are giving advice you can actually trust. While some are certified pros with years of experience, plenty of others rely on flashy trends and quick-fix promises. Research shows that nearly two-thirds of the most popular Instagram and TikTok fitness influencers share advice that’s not backed by solid science and in some cases, it can even be harmful.
If you’re a brand looking for the right partner, this can feel overwhelming. But, with a clear strategy (and the right tools), you can cut through the hype and find fitness influencers who actually align with your audience, your values, and your goals.
Let’s break down how to make that happen.
Types Of Fitness Influencers
Fitness influencers aren’t a one-size-fits-all deal, and they come in all kinds of styles and specialities.
The right one for you really depends on your goals and who you’re trying to reach.
Some of the most popular types you’ll come across are bodybuilding, yoga, cardio, and CrossFit influencers.
Bodybuilding influencers are all about building strength, sculpting muscle, and chasing that next personal best.
You’ll see them posting heavy lifting sessions, sharing what they eat to bulk up, and recommending their go-to supplements. If your brand sells protein powders, gym equipment, or performance gear, this audience is already on the lookout for exactly what you offer.
Yoga influencers bring a totally different vibe.
They focus on flexibility, mindfulness, and overall wellbeing, often sharing calming flow videos, meditation guidance, and holistic lifestyle tips. They’re a great match for eco-friendly activewear, wellness retreats, essential oils, or anything that supports a balanced, mindful life.
Cardio influencers are all about endurance and heart-pumping activities. They might be marathon runners, spin instructors, or HIIT coaches who share workouts and training plans for improved stamina. If you sell running shoes, energy gels, wearable fitness tech, or hydration products, this crowd is your ideal audience.
CrossFit influencers blend strength, agility, and endurance. They tend to promote functional training, intense workouts, and a strong sense of community.
Brands offering high-performance gear, durable athletic apparel, or nutritional supplements for recovery can see strong engagement by collaborating with CrossFit creators.
20 Top Fitness Influencers in 2025
Here are some of the top TikTok and Instagram fitness influencers to work with, broken down into four different categories:
- Bodybuilding influencers
- Yoga influencers
- Cardio influencers
- CrossFit influencers
Bodybuilding Influencers
1. Chris Bumstead (@cbum)
With over 25 million Instagram followers, Chris Bumstead is one of the biggest names in bodybuilding today.
Known for his Classic Physique Olympia titles, Chris blends elite-level training content with surprisingly relatable day-in-the-life posts, and he talks openly about the mental side of the sport too. For brands in supplements, gym gear, or performance wear, Chris offers both the star power and the trust factor to influence a huge, loyal audience.
2. Andrei Deiu (@andreideiu_)
Andrei’s 5.9 million followers come for the shredded physiques, but stay for the lifestyle content. As a competitive pro, clothing line founder (STRUTT), and partner with supplement company ProSupps, he knows the business side of fitness inside out. The sheer amount of comments and likes his content gets shows his audience is actively tuned in, making him a dream collaborator for any brand that wants both aesthetics and credibility.
3. Ulisses Jr. (@ulissesworld)
With almost 8.5 million followers, Ulisses’ feed is a mix of aesthetic physique shots, motivational messages, and behind-the-scenes training clips. He’s been in the game long enough to have a global reputation, but he still engages directly with his community. Ulisses offers a good mix of reach and relatability for fitness apparel, nutrition brands, or global campaigns.
4. Krissy Cela (@krissycela)
With around 3.3 million followers, Krissy strikes a good balance between fierce workouts and thoughtful empowerment. She co-founded and creatively directs Oner Active, a premium gymwear brand for women.
Her feed features empowering workout series, honest reflections, and behind-the-scenes glimpses of her business. Brands offering sculpt-friendly training gear or self-care-focused fitness tech would align well with Krissy’s messaging.
5. Bakhar Nabieva (@bakharnabieva)
Bakhar stands out with about 5.5 million followers drawn to her bold, polished bodybuilder aesthetic and confident style. Her motivational posts and activewear partnerships show she’s as comfortable modeling sleek gym looks as she is flexing on stage. If your brand is about high-performance apparel, stylish fitness gear, or supplements that support serious training, Bakhar’s audience (and her visual storytelling) will resonate with the hard-working, fashion-forward fitness crowd.
Yoga Influencers
1. Adriene Mishler (@adrienelouise)
Adriene is the friendliest face in yoga and is one of the best-known YouTube fitness influencers. With over 12 million YouTube subscribers and 1.3 million Instagram followers, she brings approachable, beginner-friendly flows and a comforting sense of community to every video.
2. Jessamyn Stanley (@mynameisjessamyn)
Jessamyn is the body-positivity powerhouse reshaping yoga for all shapes and sizes. With about 545,000 Instagram followers and an inspiring TikTok presence, she blends movement with mindset, reminding us that yoga is about how you feel, not how you look.
3. Kino MacGregor (@kinoyoga)
Kino brings ancient Ashtanga practice into our modern feeds with accessibility and grace. Her content is a hit on Instagram, TikTok, and YouTube, and invites yoga lovers to challenge themselves. She often teaches from scenic spots, making every practice feel like a mini retreat.
4. Kassandra Reinhardt (@yoga_with_kassandra)
Kassandra’s “10-minute morning yoga” clips are the perfect no-fuss start to any yoga fan’s day. As a Canadian instructor and author of mindful yoga books, she is a pro at creating and sharing inclusive, simple flows.
5. Victoria Hutchins (@thedailyvictorian)
On TikTok, Victoria weaves yoga with thoughtfully poetic visuals for her audience of 1.3 million. From moonlit sequences to mood-boosting affirmations, her content feels very nurturing and particularly unique.
Cardio Influencers
1. Anjali Shah (@anjalishah816)
Anjali is a marathon-trained coach with 46,000 followers on Instagram. She’s a good fit for brands looking to build long-term awareness, and is an ideal partner for apps, wellness brands, or products aimed at helping fitness enthusiasts hit their endurance goals.
2. Demi Bagby (@demibagby)
Demi’s content spans CrossFit, calisthenics, acrobatics, cheerleading, and even martial arts. After bouncing back from a serious injury in 2014 that left her temporarily paralyzed, she's become a symbol of resilience and athleticism among her 14 million TikTok followers. Demi would be a great collaborator if you sell high-performance activewear, stunt-friendly cardio gear, bold self-care products, or run campaigns centered on defying limits and embracing your strength.
3. Caleb Marshall (@thefitnessmarshall)
Caleb turns cardio into dance parties for his 3.7 million followers on TikTok. His high-energy mixes make wellness feel joyful, not grueling and his approach blends fun and fitness effortlessly. Work with Caleb if you sell dance-friendly athletic clothing, lifestyle fitness subscriptions, upbeat wellness products, or run fitness campaigns that market movement as celebration.
4. James Smith (@jamessmith)
James is a straight-talking British personal trainer and author with 1.4 million Instagram followers. His brand is about dispelling fitness myths with blunt honesty and science, often sprinkled with dry humor. Followers trust him for no-nonsense cardio, mental toughness, and real-talk, and his account is perfect for brands selling evidence-based cardio equipment or science-backed nutrition.
5. Senada Greca (@senada.greca)
Senada’s content blends a mixture of holistic fitness and personal development for her 6.2 million Instagram followers. She shares upbeat cardio routines with mindset coaching, creating a space that nurtures both body and mind. She’s the ideal partner for wellness apps, fitness programs with a growth-focus, and energy supplements.
Crossfit Influencers
1. Danielle Brandon (@daniellebrandon7)
A four-time CrossFit Games athlete and Titan Games winner, Danielle brings a gritty, empowered tone to her content for her 820,000+ audience on Instagram. Her athletic credibility and the effortless way she tells engaging stories make her a great collaborator for supplement brands or durable performance wear.
2. Lauren Fisher (@laurenfisher)
Lauren is a legend in the CrossFit space, blending elite athleticism with content about her life as a retreat owner (GrownStrong) for over 1 million fans. She’s an ideal spokesperson for trusted, high-tier brands, especially those rooted in reliable training or who lean into lifestyle wellness.
3. Becca Miller (@beccavoigt)
As a 15-time CrossFit Games athlete, Becca’s experience shines through in her thoughtful posts about resilience and consistency that she shares with over 55,000 Instagram followers. She’s a good match for brands focused on training nutrition, recovery tools, or helping veteran athletes.
4. Noah Ohlsen (@nohlsen)
Noah is a seasoned CrossFit Games athlete who is all about strength, precision, and resilience. His mostly male audience of 864,000 Instagram followers sees him as a credible training authority, and brands like cbdMD have already partnered with him to talk about the role wellness plays in high-performance fitness. Noah is a good fit for premium recovery tools, performance nutrition, or training accessories that help athletes feel good while performing at their best.
5. Rodrick Lopez (@memefortime)
Rodrick combines CrossFit with humor, and his meme-style skits and high-energy workouts have built a community of over 120,000 followers. Rodrick would be a good fit for casual, lifestyle fitness products, like athleisure, recovery tools, or light-hearted wellness campaigns where personality is the aim of the game.
Importance of Fitness Influencers for Brands
These days, you can’t scroll far on Instagram or TikTok without bumping into a workout clip, a smoothie recipe, or someone sharing their latest fitness milestone.
And it’s not just background noise. People are genuinely tuning in, trying the workouts, and buying the products they see their favorite influencers using.
The reason it works so well comes down to trust.
Fitness influencers spend years building real connections with their audience. They share the good days and the tough ones, and that honesty makes their recommendations feel like advice from a trusted friend.
They also have serious reach. Many of these content creators speak to massive, global audiences that span all ages and fitness levels. One post can put your brand in front of thousands (or even millions) of potential customers who are already interested in health and wellness.
Fitness isn’t just a passing trend right now, it’s a movement.
More people are making health a priority, and they’re actively looking for guidance and inspiration online. Working with the right influencer puts your brand right in the middle of that conversation, where people are already excited to discover tools, gear, and products that can help them hit their goals.
Common Mistakes In Choosing Fitness Influencers for Collaboration
Not every fitness influencer will be the right fit for your brand, and picking the wrong one can be an expensive lesson.
Here are some “don’ts” to make sure you find the right fit:
- Don’t solely chase follower count. A million followers might look impressive, but if engagement is low or their audience isn’t your audience, you’re not going to see the results you want. Sometimes nano fitness influencers will get you better results than mega fitness influencers.
- Don’t overlook authenticity. If someone’s promoting a new product every other day, it can start to feel forced. You want a partner who genuinely uses and believes in what they’re recommending, not just someone grabbing the next sponsorship.
- Don’t Ignore style and tone. Your brand’s personality should mesh with your influencer’s content. If you’re all about approachable, beginner-friendly workouts, teaming up with a hardcore competitive bodybuilder could send mixed signals.
Find Your Fitness Influencer NOW!
The fitness space is only getting bigger, and the right influencer could be the missing link between your product and your next wave of customers. Whether you’re selling performance supplements, eco-friendly yoga gear, or the latest fitness tech, there’s someone out there whose audience is already primed to listen.
The key is to start looking now.
Map out your ideal audience, figure out what kind of fitness content they love, and start shortlisting influencers whose values and style align with yours. You can then work on building long-term relationships with your faves.
If you want to skip the guesswork, Insense’s creator marketplace makes it easy to connect with thousands of vetted big-name and micro fitness influencers all in one place. You can filter by niche, location, audience size, and even engagement rate, so you’re only talking to people who are a great match for your brand.
Try out Insense for free today.
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