A Health Win: Trainwell Increases Trial Conversions by 20% by Accepting HSA/FSA Payments
Trainwell stands alone by offering affordable personalized workout plans 🏋🏻, one-on-one online training, and the option to pay with HSA and FSA.
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HSA/FSA for fitness brands
Let customers buy fitness with HSA/FSA
Flex lets qualifying customers use their HSA/FSA funds on fitness equipment, connected fitness, apps and training, with the Letter of Medical Necessity handled inside your checkout.
- Letter of Medical Necessity issued during checkout
- Works with Shopify, WooCommerce and more
- Paid out like any other card payment
Trusted by leading fitness brands
How it works
How customers pay with HSA/FSA
Fitness products need a Letter of Medical Necessity before they can be paid with HSA/FSA. Flex handles it inside your checkout.
Get Started- 01
Choose HSA/FSA at checkout
Right next to card and wallet payments.
- 02
Take a short online consultation
A licensed provider reviews it and issues a Letter of Medical Necessity if the customer qualifies.
- 03
Pay with their HSA/FSA card
You're paid out like any other card payment.
Higher-ticket sales
Help customers say yes to bigger purchases
Treadmills, bikes and strength systems are considered purchases. Letting qualifying customers pay with pre-tax health dollars gives them another way to fit one into their budget.
- Reach people managing heart health, diabetes, weight or injury recovery
- Give customers another way to pay at checkout
- Promote it in ads, emails and on product pages
Compliance
Eligibility handled for you
Flex runs the qualification, the provider consultation and the documentation. Customers get their Letter of Medical Necessity for their records, and your team never has to judge who qualifies.
- Licensed providers issue every Letter of Medical Necessity
- Built around IRS guidance for medical expenses
- No paperwork for your support team
Testimonials
What fitness brands say about Flex
See how health and wellness brands are unlocking new revenue with HSA/FSA through Flex.
View Case Studies“Flex empowers our customers to invest in fitness using their HSA/FSA funds.”
Michael Maas
Chief Sales Officer
“Flex improved our conversion rate and added trust at checkout.”
Raechelle Hoki
VP of Marketing
“Flex helps make cutting-edge fitness more affordable and accessible.”
Ulrich Dempfle
Co-founder
Get discovered
Get found by shoppers looking to spend HSA/FSA funds
Every Flex partner gets a page on the Flex Marketplace, where shoppers browse fitness brands that accept HSA/FSA.
Get Started283
Fitness brands on the Flex Marketplace.
1,000+
Brands across health and wellness accept HSA/FSA with Flex.
Transform checkout. Drive more revenue.
See what leading brands achieve by accepting HSA/FSA payments with Flex.
CONVERSION LIFT
+30%
More shoppers complete checkout with HSA/FSA
HIGHER AOV
+50%
Customers spend more using health benefit funds
FEWER RETURNS
-10%
Fewer returns when buyers use pre-tax dollars
REPEAT BUYERS
92%
Of customers said they'll return because of HSA/FSA
Integrations
Integrate with any checkout or payment system
Flex works with your existing checkout and payment systems, so you can start accepting HSA/FSA with ease.
Case studies
How Firefly Recovery Grew HSA/FSA Revenue 3.3x With Flex
Firefly Recovery partnered with Flex to make it easier for customers to use their HSA/FSA funds for training and travel recovery. Compared with its previous provider, the brand saw 3.3x the HSA/FSA revenue, 3.1x the HSA/FSA orders, and a 7% higher average order value.
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How Forme Helps Customers Improve Posture & Prevent Pain With Flex
Forme partnered with Flex to help customers recognize its posture-correcting apparel as a health solution and easily use HSA/FSA funds. Since launch, Forme has seen 18–20% higher AOV on Flex orders and over 1,000 repeat purchases.
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How Airdog improved their conversion rate by 20% integrating Flex
Within the first two months of launching Flex, Airdog saw a 20% lift in overall conversion rates, directly addressing the sales barrier that had been limiting growth. In addition, Average Order Value (AOV) increased by 10%, as customers were able to invest in higher-end models. Payments through Flex ultimately made up 10-15% of Airdog’s revenue.
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How AMMD by Amy Myers MD increased AOV by 2.5X with Flex
AMMD by Amy Myers MD, a supplements company, grew their Average Order Value (AOV) by by 2.5X when they started accepting HSA and FSA payments.
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How Dermstore Turned HSA/FSA Payments Into a Growth Channel With Flex
When Dermstore saw customers actively searching for ways to use HSA/FSA funds on skincare, it partnered with Flex to turn that demand into a seamless payment experience. The result: 43% higher AOV, 30% of Flex customers new to Dermstore, and HSA/FSA purchases contributing up to 22% of revenue during peak periods.
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Frequently Asked Questions
HSA/FSA for fitness brands: FAQs
Find answers about accepting HSA and FSA payments, and how Flex helps grow your business.
Speak with a Flex expert
Start accepting HSA/FSA for your fitness brand
- See which of your products can be offered
- See how Flex looks in your checkout
- Go live without changing your stack