Guides

Use your FSA or HSA for acupuncture with a Letter of Medical Necessity. See when an LMN is needed, which conditions qualify, and how to file with Burst.

Use your FSA or HSA for gym, massage, chiropractic, acupuncture, therapy, and other recurring wellness services with a Letter of Medical Necessity (LMN).

Pelvic floor PT, postpartum belly bands, sitz baths, breast pumps, postnatal vitamins, lactation supplements, scar care, mental health tools. Most of the things new parents buy in the months after birth are FSA/HSA eligible. Many need a Letter of Medical Necessity. Here's the complete walkthrough.

Sleep wearables, recovery tools, B12 and CoQ10 supplements, light therapy, compression. If you manage chronic fatigue, ME/CFS, long COVID, or post-viral fatigue, most of what you're already buying is FSA/HSA eligible with a Letter of Medical Necessity. Here's the complete walkthrough.

TENS units, compression sleeves, heat therapy, ergonomic tools, glucosamine, turmeric, massage guns. If you manage arthritis or chronic joint pain, most of what you're already buying is FSA/HSA eligible with a Letter of Medical Necessity. Here's the complete walkthrough.

Your Oura Ring, Whoop, or health wearable may be FSA/HSA eligible. Learn how a Letter of Medical Necessity unlocks reimbursement for health monitoring devices.

Learn when a gym membership may qualify for HSA or FSA reimbursement and what documentation can apply. Check eligibility before using your benefits.

A Letter of Medical Necessity (LMN) unlocks FSA and HSA funds for wellness purchases like gym memberships and fitness equipment. Learn what an LMN is, what it includes, and how to get one.

Most shoppers don't realize they can use FSA/HSA dollars in your store. Learn how to build awareness with badges, collections, and smart nudges across the shopper journey.

You have an FSA or HSA and want to see a high level of list of healthcare items you can use your FSA/HSA funds toward.

From split carts to disabled payment methods, merchants of all sizes run into the same barriers when trying to accept FSA/HSA dollars directly at checkout. Here's why it happens—and how Burst makes it seamless.

A complete guide for Shopify merchants on enabling FSA/HSA reimbursements — increase AOV, subscription retention, and loyalty with Burst's friction-free integration.

Why entrenched standards, outdated codes, and legacy systems make FSA/HSA acceptance harder than it should be—and how merchants can capture more tax-advantaged dollars with reimbursement models.

You have an FSA, but keep forgetting your FSA card or want to earn points on your FSA-eligible purchases. Learn how you can reimburse yourself.

You just got an FSA or it's Open Enrollment time. Read along to understand the guidelines and factors that matter when deciding how much to contribute to your FSA.

You have an HSA, and want to make sure you're really using it to its full potential. This guide will detail the steps you can take to make sure you're saving as much as you can on healthcare expenses.

You have an FSA or HSA, and lost your healthcare receipts. What can you do still get reimbursed for your healthcare expenses?

Stripe, PayPal, Braintree, and other processors move money—but without SIGIS/IIAS compliance, they can't make FSA/HSA acceptance work. Here's why merchants face declines, IRS fines, and substantiation headaches, and what to do instead.

Shoppers think about their FSA/HSA dollars at key times of year – open enrollment, year-end, and tax season. Learn how to design campaigns that capture this demand without adding ops headaches.

In 2025, these are the most popular items/services people are spending their pre-tax HSA and FSA funds on – and they're saving up to 40% while doing it.

You just got an FSA or it's Open Enrollment time. Read along to understand the rules around spending your FSA funds.

What happens to your FSA when you're no longer at the same job? Learn about your options and key considerations when deciding on next steps.

You have an FSA or HSA, but are interested in maximizing your FSA/HSA benefits even more.

Learn everything you need to know about Health Savings Accounts and how they can help you save money on healthcare expenses.

Learn the key differences between an LMN and an Rx - both are doctor's notes, but when it comes to what they're used for, they're quite different.

Yes, a Peloton bike, Tread, Row, or All-Access membership can be FSA/HSA eligible with a Letter of Medical Necessity. Without one, your HSA card will get declined. Here's exactly what qualifies, what doesn't, and how to document it the right way.

Casper, Saatva, Helix, Purple, Nectar, Sleep Number, Tempur-Pedic, Eight Sleep, Mattress Firm, Big Fig, Brooklyn Bedding, Birch — all of them can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough on what qualifies, what doesn't, and how to get yours covered.

Yes, the Eight Sleep Pod, Pod Cover, and any Eight Sleep accessories can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's exactly what qualifies, what doesn't, what your LMN needs to say, and how to get reimbursed.

AG1, Ritual, Thorne, Momentous, magnesium, fish oil, collagen, super greens — most major supplements can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the brand-by-brand walkthrough on what qualifies, what doesn't, and what your LMN actually needs to say.

Walking pads from WalkingPad, Sperax, UREVO, and treadmills from NordicTrack, Peloton Tread, ProForm, Bowflex, Sole — all FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough.

Plunge, Sunlighten, Almost Heaven, Haven of Heat, Bon Charge — every major sauna and cold plunge brand can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the brand-by-brand walkthrough.

Yes, NordicTrack treadmills, bikes, rowers, ellipticals, and the iFit subscription can all be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough.

Yes, the Hydrow Wave, Pro, and Hydrow membership can all be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough on what qualifies.

AquaTru, Boroux, Atla Water, Canopy, Medify — most premium water filtration systems can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the brand-by-brand walkthrough.

Running shoes are not default-eligible, but specialty orthopedic and prescribed orthotic shoes can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough on what works and what doesn't.

ARMRA colostrum, Liquid IV electrolytes, super greens powders, hydration packets — all FSA/HSA reimbursable with a Letter of Medical Necessity for documented health contexts. Here's the brand-by-brand walkthrough.

Step-by-step: how to actually buy a Peloton, Tonal, mattress, or any LMN-eligible product with FSA/HSA dollars. The full process from purchase to reimbursement, with examples for the major plan administrators.

Yes, the Apple Watch can be FSA/HSA reimbursable with a Letter of Medical Necessity for AFib monitoring, cardiac rehabilitation, fall detection, and other documented contexts. Here's the complete walkthrough.

Yes, Garmin watches (Forerunner, Fenix, Venu, Vivoactive) and Garmin Connect+ can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough.

Yes, Hyperice Hypervolt, Normatec compression boots, Venom heated wraps, and accessories can all be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough.

Yes, Equinox membership can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough on what qualifies, what your LMN needs to say, and how reimbursement works.

Google's new Fitbit Air launched at $99.99 on May 7, 2026. Like every fitness tracker, it needs a Letter of Medical Necessity to be reimbursed from your FSA or HSA. Here's the exact process, the IRS rule that drives it, and the plan administrator quirks worth knowing.

Use your FSA or HSA for massage therapy with a Letter of Medical Necessity. See which conditions qualify, which practices count, and how to file with Burst.

Prenatal vitamins, breast pumps, maternity support belts, pregnancy pillows, compression socks, doula services, childbirth classes, morning sickness aids. Most of what expecting parents buy is FSA/HSA eligible. Some without any documentation, some with a Letter of Medical Necessity. Here's the complete walkthrough.

TENS, heat and cold therapy, posture supports, mattress toppers, recovery tools, turmeric and magnesium. If you manage chronic pain (back, neck, fibromyalgia, neuropathy, post-surgical), most of what you're already buying is FSA/HSA eligible with a Letter of Medical Necessity. Here's the complete walkthrough.

SAD lamps, weighted blankets, meditation app subscriptions, breathwork devices, magnesium, omega-3, sleep wearables. Most of what people use to manage depression and anxiety qualifies for FSA/HSA reimbursement with a Letter of Medical Necessity. Here's the complete walkthrough.

Most things people buy to manage migraines (ice caps, supplements, neuromodulation devices, blue-light glasses, weighted eye masks) are FSA/HSA eligible with a Letter of Medical Necessity. A single LMN from Burst covers that product for 12 months across any brand or store. Here's exactly what qualifies and how to get reimbursed.

Your 2025 FSA funds are about to expire. Here's what you need to know, what you can buy, and how to get the documentation you need before it's too late.

Infrared saunas and cold plunge tubs can be FSA/HSA eligible with an LMN. Learn which conditions qualify and save 25–40% on your next purchase.

Skip the doctor's office. Get a Letter of Medical Necessity online in 24–48 hours through a licensed provider. Here's how online LMN services work and what to look for.

Post-purchase integration drives up to 30% higher customer basket size without changing checkout flows.

Many health and wellness essentials are only eligible with a Letter of Medical Necessity (LMN). Here are 50 products that are often eligible—and how float makes it easier than ever to get one.

You have an HSA and want to know when you can use it toward family members' healthcare expenses

FSA/HSA eligibility is notoriously confusing with IRS rules, SIGIS codes, and LMN requirements. This guide shows how Burst's eligibility engine makes it automatic for Shopify brands.

Most FSA/HSA solutions break for subscriptions. Learn how Burst's reimbursement-first approach keeps recurring orders intact and boosts retention for Shopify brands.

You have an HSA and want to understand HDHP basics, HSA fundamentals, contribution strategies, and when to spend vs. save.

You're looking to maximize your FSA/HSA benefits by getting a LMN, but how do you get one?

You have an HSA, but keep forgetting your HSA card or want to earn points on your HSA-eligible purchases. Learn how you can reimburse yourself.

You just got an HSA or it's Open Enrollment time. Read along to understand the guidelines and factors that matter when deciding how much to contribute to your HSA.

Many FSA/HSA-eligible products require a Letter of Medical Necessity (LMN). Learn why they matter, how they impact your catalog, and how Burst makes LMNs automatic for Shopify brands.

You've enabled FSA/HSA with Burst. Now how do you measure the lift? Learn which KPIs matter most — and how to track the true ROI of making your catalog FSA/HSA-friendly.

Many merchants think enabling FSA/HSA means adding a new payment method. The truth is that post-purchase reimbursement is faster, frictionless, and drives better results for Shopify brands.

Telehealth merchants are leaving billions of pre-tax healthcare dollars on the table. Here's how FSA/HSA rules work, why SIGIS certification isn't designed for your model, and why a reimbursement-first platform like Burst makes it simple.

You have an FSA or HSA and want to know everything about letters of medical necessity (LMNs), when to secure one, and what to do after you have one.

You just got an HSA or it's Open Enrollment time. Read along to understand the rules around spending your HSA funds.

What happens to your HSA when you're no longer at the same job? Learn about your options and key considerations when deciding on next steps.

Learn everything you need to know about Flexible Spending Accounts and how they can help you save money on healthcare expenses.

Learn the key differences between an HSA and an FSA – both help you save on your healthcare expenses, but they're not the same.

You just got an HSA and are trying to understand when you should save and invest your HSA funds vs. when it may be better to spend them.

A Letter of Medical Necessity (LMN) is the single piece of paperwork that turns an everyday health purchase into a pre-tax FSA or HSA expense. This is the complete walkthrough: when you need one, what it has to say, what it covers, and how the reimbursement actually flows.

Tonal, Mirror, NordicTrack, Hydrow, Bowflex, Concept2, Echelon, Rep Fitness, Life Fitness, Bells of Steel — every major home gym brand can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the brand-by-brand breakdown.

Yes, Tonal hardware, the Tonal+ membership, and Tonal accessories can all be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough on what qualifies, what doesn't, and how to get yours covered.

Theragun, Hyperice, Mito Red Light, Joovv, HigherDOSE, iRestore, Pulsetto — every major recovery brand can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's what fits which situation, what your LMN needs to say, and how to get reimbursed.

Whoop, Garmin, Apple Watch, Fitbit, Coros, Amazfit, Wahoo, Oura — every major fitness wearable can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the brand-by-brand walkthrough on what qualifies and what your LMN needs to say.

Yes, the Plunge All-In, Plunge Pro, Plunge Pop, chillers, and accessories can all be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's exactly what qualifies, what doesn't, and how to get reimbursed.

Yes, the Mirror by Lululemon hardware and membership can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's exactly what qualifies.

Yes, the Whoop membership (which is the only way to use Whoop) can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough.

Tampons, pads, menstrual cups, and period underwear (Thinx, Knix, Saalt) — all FSA/HSA eligible. The CARES Act made period products default-eligible without an LMN. Here's the complete walkthrough.

Blueair, Medify, Airdog, Coway, Levoit air purifiers and humidifiers — all FSA/HSA reimbursable with a Letter of Medical Necessity for documented respiratory conditions. Here's the brand-by-brand walkthrough.

Everything you need to know about what's HSA and FSA eligible in 2026: the IRS rules, the LMN process, what's default-eligible, what isn't, and how to actually get reimbursed. The complete reference.

Yes, AG1 (Athletic Greens) can be FSA/HSA reimbursable with a Letter of Medical Necessity for documented nutrient gaps tied to GI conditions, post-surgical recovery, or restrictive eating contexts.

The 30 most common questions about Letters of Medical Necessity for FSA and HSA, answered in one place. What qualifies, what an LMN actually says, how reimbursement works, and the edge cases people get wrong.

Yes, Sunlighten infrared saunas (mPulse, Solo, Amplify) can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's exactly what qualifies and how reimbursement flows.

Yes, Theragun (Therabody) percussive massage devices and the Therabody+ subscription can be FSA/HSA reimbursable with a Letter of Medical Necessity. Here's the complete walkthrough.

GLP-1 medications (Wegovy, Ozempic, Mounjaro, Zepbound, Rybelsus) are FSA/HSA eligible when prescribed for type 2 diabetes by default and for weight management with the right LMN. Here's the complete walkthrough.