15 Best fitness affiliate programs to grow your income in 2026

If you’ve ever raved to a friend about your favorite pre-workout, workout app, gym equipment or piece of exercise gear, congrats… You’re already halfway to earning with fitness affiliate programs! 

The fitness industry is booming, and brands are constantly looking for creators, coaches, and everyday enthusiasts who can authentically share what they love. 

In this article, we’ll check out the top fitness affiliate programs worth joining, spanning supplements, equipment, coaching, and other popular product category options, so you can choose the ones that best match your style and your audience’s goals.



1. Nike

Often considered one of the most popular and recognizable sports brands around the world due to the famous Nike “Swoosh” logo and “Just Do It” slogan, Nike offers fitness enthusiasts a wide range of high-performance gear including shoes, clothing, accessories, and equipment to help them excel in various sporting activities.  

The brand also provides powerful digital support via the Nike Training Club app with 200+ free workouts, programs, and expert coaching. 

Nike’s popularity comes from combining style, innovation, strong athlete branding, and a global community through its membership and apps. The company is particularly well known among sneaker lovers, thanks to its iconic Air Jordan line, with 96% of sneaker owners aware of the Nike brand in the United States, according to Statista.

Whether your audience is made up of fitness beginners or pros, signing up for the Nike affiliate program allows you to promote a plethora of sports products and earn commissions of up to 15% per valid U.S. sale. 

Offered in partnership with the CJ Affiliate platform, the program also includes access to an automated product feed, regular affiliate newsletters to keep you informed about future offers and product launches, and a dedicated affiliate team to boost your chances of affiliate marketing success.

Note that the referral period for Nike’s program is pretty short at only 7 days, but the brand’s well-known name can do wonders for convincing shoppers to make a purchase, making it one of the top sports affiliate programs as well.

• Commission rate: Up to 15%
• Cookie duration: 7 days
• URL: Nike affiliate program

2. TRX

The benefits of resistance training are plentiful for physical and mental health: increased muscle mass, strengthened bones, injury prevention, enhanced metabolism, improved sleep, and others. 

To help people enjoy a resistance-training workout from the comfort of home, TRX (Total Resistance eXercise) offers its suspension-training system, which allows them to use their own bodyweight and gravity to build strength, stability, and endurance.

It delivers full-body muscle activation by engaging stabilizer and core muscles with every movement, and it’s scalable for all fitness levels by adjusting body angle. 

The training is low-impact, making it joint-friendly and accessible even for those recovering from injuries. Plus, with the TRX App, you get more than 2,000 live and on-demand workouts across strength, HIIT, yoga, mobility, and more. 

TRX’s affiliate program makes it possible for affiliates to boost their income by promoting the brand’s offerings and generating commissions that begin at 10% on sales based in the United States. 

Furthermore, as a TRX partner, you’ll be able to avail of an average order value of $200, a 30-day cookie window, and assistance from a dedicated affiliate support team. 

• Commission rate: Starts at 10%
• Cookie duration: 30 days
• URL: TRX affiliate program

3. JumpSport

For people on the lookout for a different kind of fitness activity, turning to trampolines, such as those offered by JumpSport may be the ideal activity.

Family-owned fitness brand JumpStart creates high-quality rebounding trampolines for low-impact, full-body workouts. Their trampolines use durable elastic cords, arched legs for stability, and a lay-flat jumping surface for comfort and safety. 

With their JumpSport Fitness TV app, you can stream 200+ guided workout options, from cardio and HIIT to strength and dance,all designed to improve cardiovascular health, balance, and recovery.

The JumpSport affiliate program is a great option for studio owners, fitness instructors, and influencers who want to increase their income via affiliate marketing, providing a 8% commission per successful referral. 

Affiliates also benefit from exclusive discounts and promotions, an affiliate dashboard for real-time performance tracking, and more.

• Commission rate: 8%
• Cookie duration: Not listed
• URL: JumpSport affiliate program

4. GNC

GNC (General Nutrition Centers) is a leading wellness retailer that offers a huge range of high-quality nutritional products for fitness enthusiasts. 

Their catalog includes vitamins, minerals, herbal supplements, and sports-nutrition staples like protein powders, creatine, and pre-workout formulas.

GNC emphasizes science, quality, and innovation, working with researchers to develop trusted formulas. Their mission is to support every individual’s wellness journey, from beginners to elite athletes, by offering personalized products and expert guidance.

Join GNC’s affiliate program to start earning commissions when you successfully promote the company’s vast array of supplements and other goods. The program’s default commission rate is 1%, but rates can vary depending on the affiliate. 

As GNC partners with the Rakuten Advertising network for its program, you can keep an eye on your marketing performance via reports on your clicks and sales on Rakuten’s platform.

• Commission rate: 1%
• Cookie duration: Not listed
• URL: GNC affiliate program

5. Titan Fitness

Direct-to-consumer (DTC) brand Titan Fitness specializes in affordable, high-quality strength-training equipment, appealing to both people who own commercial gyms and individuals looking to up their home-gym game.

Titan Fitness has various kinds of gear for sale, such as gym racks, benches, barbells, dumbbells, specialty machines and cable systems. 

Their products are built from high-grade steel to withstand intense workouts. Plus, they provide free shipping on all orders, making it easier and more affordable to build a serious home gym.

As a Titan Fitness affiliate, you’ll be paid commissions of 5% on sales you help bring in within 30 days of customers clicking on your affiliate links.

Additional benefits of signing up for the program include a dedicated program manager, an easy-to-use dashboard for performance tracking, and exclusive coupons for you and your audience to encourage promotions. 

• Commission rate: 5%
• Cookie duration: 30 days
• URL: Titan Fitness affiliate program

6. Under Armour

Under Armour was founded in 1996 by Kevin Plank, who started the company in his grandmother’s basement after inventing a sweat-wicking shirt as a college football player. 

Today, Under Armour supplies fitness newbies and pros alike with a wide range of high-performance apparel, footwear, and accessories engineered for training, recovery, and competition, with fabrics that wick moisture and support athletes at every level.

The company has become popular with fitness enthusiasts by combining innovation, athlete-centered design, and a strong mission: they continuously push to “rethink, reinvent, and reimagine” their products while emphasizing sustainability.

In addition, Under Armour customers enjoy free shipping on orders $50+ as well as free returns, encouraging increased spending and inspiring confidence.

Become an Under Armour affiliate to take advantage of a 5% commission on every sale you bring in within a 30-day referral period. 

What’s more, Under Armour provides affiliates with in-app and cross-device tracking, a comprehensive data feed, banner and text creative materials to encourage clicks, and regular communications concerning the latest products, technologies, and deals. 

• Commission rate: 5%
• Cookie duration: 30 days
• URL: Under Armour affiliate program

7. LifeSpan

Innovative fitness brand LifeSpan was launched in 1997 and is dedicated to integrating movement into everyday life, not just focused on traditional workout ideas. 

They specialize in active workstations, including under-desk treadmills, bike desks, and standing desks, alongside traditional cardio machines like treadmills and ellipticals. 

Their products enable users to stay active during work or in limited spaces, promoting a healthier, more dynamic lifestyle. For example, the LifeSpan TR1200-DT5 treadmill desk allows walking while working, combining productivity with fitness. 

LifeSpan stands out among other fitness brands due to its focus on sustained, low-impact movement throughout the day, helping to reduce sedentary behavior and improve overall health. 

The company’s innovative approach appeals to busy professionals seeking practical fitness solutions that fit seamlessly into daily routines.

LifeSpan affiliates can look forward to earning commissions that start at 6%, with the potential for higher rates as their performance improves. With many products featuring a relatively high price point, i.e., $99 to $2,500, those commissions can quickly add up!

The program’s referral period is quite a bit longer than that of other programs mentioned in our article as well, giving you 90 days to convert site visitors into customers. 

• Commission rate: Starts at 6%
• Cookie duration: 90 days
• URL: LifeSpan affiliate program

8. Onnit

Onnit is a wellness brand founded in 2011 by Aubrey Marcus in Austin, Texas, with a mission of “total human optimization.” 

The company sells a variety of science-backed supplements, like its flagship nootropic Alpha BRAIN, which claims to provide daily cognitive support to optimize focus and aid memory, and its Shroom Tech SPORT, for improved aerobic performance.

Onnit customers can save 15% when signing up for a product subscription, with different delivery frequency options available. Shoppers are also able to benefit from free shipping (to the contiguous United States) on all orders of at least $100. 

To boost consumer confidence, Onnit features a money-back guarantee, which involves customers being able to receive a refund on any of their entry-size supplements if they’re dissatisfied with the product. 

If you’re hoping to target consumers interested in the fitness and/or wellness category, joining Onnit’s affiliate program can be a profitable strategy, as you’ll receive a 15% commission per sale. 

The program’s referral window is also a bit longer than that of other programs in the fitness niche at 45 days, giving you more time to convert your audience into happy Onnit customers.   

• Commission rate: 15%
• Cookie duration: 45 days
• URL: Onnit affiliate program

9. Rogue Fitness

The official equipment supplier of CrossFit Games, USA Weightlifting, the Arnold Strongman Classic, and the World’s Strongest Man competition, Rogue Fitness is a big name in the strength-training world.

Headquartered in Columbus, Ohio, the company is known for its “Made in the USA” barbells, power racks, sleds, and other high-quality gear for professional gyms as well as personal use.

Since its founding in a garage in 2006, Rogue Fitness has grown to now employ 1,400 people around the world. 

In addition, their website features different types of content designed to educate and inspire people with varying degrees of experience in strength training.

The Rogue Fitness affiliate program offers affiliates a payout of 4% for every qualified sale they bring in through their unique links.  

Signing up to become a Rogue Fitness partner is easy, with the only requirement being that you have your own website that you update regularly with new content.

• Commission rate: 4%
• Cookie duration: Not listed
• URL: Rogue Fitness affiliate program

10. ACE

ACE, or the American Council on Exercise, is a nonprofit organization whose mission is “to get people moving” by raising the standards of fitness education. 

Founded in 1985, ACE provides NCCA-accredited certifications for fitness pros in four core areas: Personal Trainer, Group Fitness Instructor, Health Coach, and Medical Exercise Specialist. 

Beyond certifications, ACE offers continuing-education courses, specialist programs, and career support tools. They also publish evidence-based health resources, host research initiatives, and partner with public health organizations to promote physical activity.

When you join the ACE affiliate program, you’ll be able to earn commissions of 5% on certification sales.

Great for fitness bloggers, personal trainers, health coaches, and other content creators in the fitness niche, ACE’s affiliate program also offers a lengthy cookie duration of 90 days.

• Commission rate: 5%
• Cookie duration: 90 days
• URL: ACE affiliate program

11. Wahoo

Performance-tech company Wahoo builds smart tools for runners, cyclists, and endurance athletes. 

On their site, they offer a variety of connected products, from the KICKR line of bike trainers and smart bikes, to GPS cycling computers, heart-rate monitors, and sensors. 

They back this hardware with sports-science insights via their Wahoo Sports Science team, which creates training programs and data-driven solutions. 

Their subscription app, Wahoo X, includes immersive workouts with structured training, virtual riding, and performance tracking. 

Wahoo affiliates can generate extra cash by successfully promoting the company’s product catalog, getting a commission of up to 10% per sale. 

Joining the program allows you to avail of marketing materials and tracking to keep an eye on your progress. Note that cookies only last for 7 days, however.

• Commission rate: Up to 10%
• Cookie duration: 7 days
• URL: Wahoo affiliate program

12. Bulk

Bulk (formerly Bulk Powders) is a UK-based sports nutrition brand founded in 2006 by Adam Rossiter and Elliot Dawes. In 2020, it rebranded to “Bulk” and moved to the domain bulk.com to reflect its broader ambition. 

Bulk produces over 80% of its products in its own facilities, focusing on transparency, quality, and value. Their range includes protein powders, creatine, vitamins, functional foods, snacks, collagen, and recovery supplements. 

In addition, they hold Informed-Sport accreditation, meaning some of their products are tested for banned substances. With a commitment to progress and inclusivity, Bulk aims to be a go-to nutrition brand for athletes at all levels.

As a Bulk affiliate, you’ll be able to earn commissions of 8% for every new customer order and 1% for every existing customer order.

Other program benefits for affiliates include a 30-day referral period, unlimited earning potential, affiliate discount codes, and marketing tools to help boost your conversions.

• Commission rate: 1% to 8%
• Cookie duration: 30 days
• URL: Bulk affiliate program

13. Future

Future is a digital fitness platform that connects users with a real, dedicated personal coach for remote training via its app. 

For $199/month, you get unlimited custom workout ideas tailored to your goals plus flexibility, as your coach will adapt the program based on what equipment you have, your schedule, or even when you travel. 

Your coach stays in touch through video messages, weekly check-ins, and real-time feedback. 

Because Future works with smartwatches (especially Apple Watch), your coach can monitor your metrics and adjust each workout accordingly. 

Future’s affiliate program, available via the Impact platform, pays content creators $75 for every new sign-up, with a standard 30-day referral window.

• Commission rate: $75 per sign-up
• Cookie duration: 30 days
• URL: Future affiliate program

14. Muscle & Strength

Online fitness platform and retailer Muscle & Strength combines in-depth educational content with a vast supplement store. 

The site publishes thousands of free articles, workout plans, expert guides, recipes, transformation stories, and training videos to help people build muscle, lose fat, or improve their fitness. 

On the ecommerce side, Muscle & Strength offers more than 7,000 products from top nutrition brands, earning its reputation for strong deals, frequent promotions, and customer engagement. 

Offered in partnership with CJ Affiliate, Muscle & Strength’s affiliate program comes with a 10% commission for successful referrals. 

Once approved for the program, you’ll be able to access various marketing tools to better promote the products and offers available on the Muscle & Strength website to your audience.

• Commission rate: 10%
• Cookie duration: Not listed
• URL: Muscle & Strength affiliate program

15. iHerb

Global ecommerce platform iHerb was founded in 1996, dedicated to making health and wellness products, including vitamins, minerals, and supplements, accessible to everyone. 

Popular with many fitness enthusiasts, iHerb offers a broad selection of sports-nutrition products: protein powders, creatine, pre-workouts, amino acids, collagens, and more.

What makes iHerb stand out is its scale: over 50,000 products, shipped directly from iHerb (not third-party sellers) through nine climate-controlled warehouses. 

They also offer transparent reviews (only verified buyers can review), affordable pricing, and fast global delivery, making it a trusted one-stop shop for supplement shoppers. 

If your audience is in the market for supplements to help them achieve their health and fitness goals, iHerb’s offers an excellent affiliate marketing opportunity, with new partners being able to earn a 10% commission for the first three months and 5% afterwards. 

The referral period is just 7 days, but the company’s vast array of products for sale, high conversion rate, and library of affiliate tools are major pros that can help give you your best chance of success with the program. 

• Commission rate: 5% to 10%
• Cookie duration: 7 days
• URL: iHerb affiliate program

Final thoughts

If you’re looking to turn your passion for health and training into steady income, the fitness world is packed with affiliate programs that actually pull their weight! 

Whether you’re more into cutting-edge tech, premium supplements, or full-on coaching platforms, there’s something for every type of creator. The key is opting to promote brands and products that you genuinely use and trust, as your audience will definitely be able to feel the difference. 

When you pair authentic recommendations with programs that offer solid commissions and strong support, you set yourself up for long-term wins. 

In addition to selecting stellar affiliate programs, you’ll want to have a great website builder by your side to aid you in creating and managing a professional website where you can promote your favorite fitness products and services.

Evolup is an AI-powered solution that allows you to quickly build your site and start your adventure in affiliate marketing ASAP!

Use the platform’s artificial intelligence to find your niche, brand name, and slogan as well as generate a wide range of content for your affiliate store to appeal to your target audience and encourage purchases. 

Because Evolup is compatible with all affiliate programs, your commission-commission potential is unlimited. 

What’s more, advanced SEO features are available from the moment you create your website, and you don’t need to worry about site updates—they’re handled automatically!

If you’re ready to launch your affiliate marketing business, give Evolup a try today by testing the solution free of charge for 7 days.