Lifestyle Spending Accounts (LSAs) are one of the most flexible employer benefits on the market. Here's what an LSA covers, how it compares to an HSA or FSA, and how to stack all three to maximize your pre-tax savings on wellness.
Find out how you can claim HSA expenses from previous years, including what the rules are and how reimbursements work when withdrawing funds for purchases.
Learn which fertility treatments, tests, and monitors are HSA/FSA eligible and how to easily buy approved products using your benefits funds online today.
Find out when women’s shoes are HSA and FSA eligible, why a Letter of Medical Necessity (LMN) is almost always required, and how to buy them conveniently.
We’ve compiled a list of over 200 FSA eligible items, and explained when each item is always eligible, or eligible with a Letter of Medical Necessity.
Find out precisely what the HSA contribution deadline is, when it is, and how it works so you can maximize your tax-advantaged dollars and avoid penalties.
Learn whether period underwear is HSA or FSA eligible, when you may need an LMN, and how to purchase qualifying products using your healthcare benefits.
Learn when and why menstrual pads are HSA and FSA eligible, which period products qualify, and how and where to buy pads using your HSA or FSA online.
Learn how HSA reimbursement rules work, including timelines and time limits, eligibility, examples, and when and how to reimburse yourself from your HSA.
We go over the HSA withdrawal rules, including when withdrawals are taxable, how to avoid penalties, and how to withdraw funds properly from your HSA.
Learn how HSA eligibility works with Medicare, when contributions must stop, potential penalties, & how to use your HSA funds after enrolling in Medicare.
Learn the HSA family coverage rules and who qualifies as an HSA dependent. Find out if you can use your HSA for a spouse, children, and tax dependents.
Learn when endurance race fees, training costs, and recovery products may qualify for HSA/FSA. Understand how a Letter of Medical Necessity can make race expenses eligible.
Learn what a Medicare flex card is, how it works, who qualifies, key benefits, whether you can have a card in addition to an HSA or FSA account or plan.
We answer the most important questions asked about HSAs and taxes, including whether your HSA contributions are tax deductible and what you need to report.
Learn how to invest your Health Savings Account (HSA) funds, understand key rules, and explore strategic options to grow your tax-free funds over time.
Learn when semaglutide qualifies for HSA and FSA use, which medical conditions support eligibility, and how to buy programs with using your HSA/FSA funds.
Learn when gym memberships qualify as HSA and FSA eligible, when you need a medical letter, and how to buy eligible memberships online with ease today.
Find out when tampons qualify as HSA/FSA eligible, whether a medical letter is needed, and how to purchase eligible tampons online with your benefits.
Is pilates HSA or FSA eligible? Learn when pilates qualifies, if you need a Letter of Medical Necessity, and how to buy with HSA or FSA funds for classes.
From sleep trackers to posture gear, here are 10 surprising HSA/FSA-eligible items your pre-tax dollars can cover, and where you can buy them online.
We explain why HSA money doesn’t expire at the end of the year, what happens to unspent funds, and creative ways to spend your HSA funds efficiently.
Do HSA funds expire or follow a use it or lose it rule? Learn how HSA rollover works, how long funds last, and how to spend your HSA wisely & efficiently.
Learn when supplements are HSA and FSA eligible, which medical conditions qualify, and how to buy approved supplements using your HSA or FSA directly.
Learn which types of shoes qualify for HSA or FSA spending, which conditions apply, and how to buy eligible shoes online using your HSA or FSA account.
Learn when yoga is HSA and FSA eligible, which conditions qualify, and how to pay for yoga classes or programs using your tax-advantaged health funds.
Learn when red light therapy is HSA and FSA eligible, what medical conditions qualify, and how to buy approved devices and services using your funds.
Learn when running shoes qualify as HSA/FSA eligible, which medical conditions require an LMN, and how to buy approved footwear easily in the Flex Shop.
We’ll explain when the Oura Ring is HSA/FSA eligible, how to buy one online with HSA/FSA funds, and some key things to know before making the purchase.
Learn where you can spend your HSA/FSA money online, and explore a wide range of products you may not realize are HSA/FSA-eligible with most providers.
We’ll show you over 50+ online stores where you can use your HSA/FSA card to make purchases on qualifying medical expenses, and how to do it at checkout.
Find out how to get a Letter of Medical Necessity (LMN) online, including the three main methods to do it and how to check if it’s a legitimate provider.
We explain the IRS FSA “Use It or Lose It” rule including how and when your FSA dollars expire, and strategies to spend FSA dollars before they’re gone.
Find out when a letter of medical necessity (LMN) qualifies a patient to purchase a gym membership using their HSA/FSA account, and why it’s critical.
Confused by health benefits jargon during open enrollment? This quick 2025 cheat sheet breaks down 7 essential terms like deductibles, copays, HSAs, and FSAs so you can choose a plan that fits your needs and save smart with confidence.
Learn which skincare products qualify for HSA/FSA reimbursement, when prescriptions or medical necessity are required, and how consumers can use health-spending accounts to save on skincare.
We explain when and how FSA money expires at the end of the year, creative ways to spend your funds before they expire, and great products to use it on.
If you’ve ever wished your recovery routine could be covered by your HSA or FSA, you’re in luck—Therabody and Flex are making it happen.
Your blender may be ready, but is your HSA or FSA? Learn whether you can bulk up while keeping your wallet slim.
Boost your immune barrier while saving a buck when you use your HSA or FSA to buy ARMRA Colostrum.
🤔 Did you know that your purchase AND sales tax can be covered by your HSA or FSA for qualified expenses? Maximize your savings with these sales tax tips.
Personal training may be your key to better health in 2025.
Health and wellness training in the palm of your hand.
Tip the scales in your favor — get support for weight loss programs with help from your HSA or FSA.
Learn when probiotics qualify for HSA and FSA use, when you need a Letter of Medical Necessity, and how to buy eligible probiotics using your benefits.
Fitness funds: Make your HSA and FSA work as hard as you do.
This baby essential can be a burden on budget.
Understand how HSA and FSA eligibility works for exercise equipment, when documentation is required, and how to purchase equipment that qualifies easily.
Stand out from the crowd with Pair Eyewear's changeable frame toppers.
It’s time to start planning for health coverage — and savings
Dehydration got you down? Rehydrate with your HSA or FSA.
Learn when mattresses qualify for HSA or FSA use, which medical conditions apply, and how to buy eligible sleep products online with confidence today.
Minimize menopause symptoms with treatments covered by your HSA and FSA.
Learn when compression socks qualify for HSA/FSA funds, what conditions make them eligible, and how to buy approved styles through trusted HSA/FSA shops.
Achieve your peak fitness and price performance with the WHOOP 4.0 Fitness Tracker.
Improve your home’s air quality and save money too — now that’s a breath of fresh air!
Learn about your unique metabolism in order to make smarter lifestyle choices and nutrition decisions with Lumen.
Hot tip: You may be able to save money on your next sauna visit.
We can’t offer up pain-free periods, but these options — ranging from old remedies to new tech — can help make them more manageable.
Health insurance generally doesn’t cover the cost of hearing aids. Luckily, you can save with your HSA or FSA.
Learn how to mix flow and finance for a more affordable period.
How to leverage your HSA/FSA for a smart scale and smarter you.
Get a helping hand from your HSA/FSA for that much-needed massage
Protect your eyes — and your wallet — with this HSA/FSA guide to sunglasses.
Learn how to save with confidence and get reimbursed with ease.
Say goodbye to leaks and hello to confidence.
We explore when sunscreen is eligible to be purchased through your HSA/FSA, and cover the eligibility requirements you should consider before buying one.
Learn when vitamins qualify for HSA and FSA use, when you need a Letter of Medical Necessity, and how to buy eligible vitamins online with Flex today.
How HSA and FSA-subsidized spectacles can help you save your sight, sleep and sanity.
Bad posture is a modern but fixable problem. With posture correctors, you can improve your form, reduce neck and back pain, and pay for it with your HSA.
Follow your heart for a happier, healthier you.
Brush up on how to use your HSA or FSA to pay for dental care. Our guide covers tips for improving oral health, commonly covered expenses, and FAQs too.
A journey of mocktails, mindfulness, and self-discovery this new year
Give your baby, and your budget, a healthy start.
A clear-eyed 🤓 look at how you can use your HSA or FSA to pay for new glasses, eyewear, or accessories.
Find out when air purifiers are HSA or FSA eligible, when a medical condition applies, and how to purchase approved models online using HSA/FSA benefits.
Elevate your wellness journey with at-home metabolic testing. Learn how personalized insights can improve your health and how to pay for it with your HSA or FSA.
Step into comfort and support with our guide to orthopedic shoes. Learn about what footwear options are available and how to pay for them with your HSA or FSA.
A Letter of Medical Necessity (LMN) is a doctor's note allowing HSA/FSA spending on medically necessary items not IRS-approved. Flex simplifies the process for consumers by partnering with merchants, streamlining checkout, and eliminating reimbursements.
How to guide: Learn to use your HSA and FSA for better health! Discover smart ways to spend your health savings account on medical and wellness products.
Flex is here to help you understand all the most important aspects of HSAs and FSAs so you can make the right decisions for your health and finances.