Can You Use an HSA or FSA for Tirzepatide and Other GLP-1s?

Usually, yes. Under IRS rules, a prescribed GLP-1 medicine that treats a disease diagnosed by a physician, such as obesity, type 2 diabetes or high blood pressure, is a qualified medical expense, so you can generally pay for it with money from a health savings account (HSA) or a health flexible spending account (FSA). That is how IRS Publication 502 reads as of November 2026. Two limits matter: weight loss for appearance or general health doesn't qualify, and an FSA pays only for what your employer's plan allows. This article explains the IRS rules; it isn't tax advice, so check with your plan administrator before you pay.

If you pay cash, MaxLife offers compounded tirzepatide at $120/mo flat and compounded semaglutide at $89/mo flat, prescribed only if a licensed provider decides it's right for you. MaxLife's plans are HSA and FSA eligible; eligibility depends on your plan, so confirm with your plan administrator. Compounded medicines are not FDA-approved.

Can You Use an HSA or FSA for GLP-1 Medications?

You can use an HSA or a health FSA for a GLP-1 medicine when it passes two IRS tests: it is a prescribed drug, and it is medical care for a disease rather than something that is merely good for your general health.

• It must be prescribed. Publication 502 says you can include "amounts you pay for prescribed medicines and drugs," and "a prescribed drug is one that requires a prescription by a doctor for its use by an individual." Every GLP-1 used for weight management or diabetes needs a prescription.
• It must treat a disease. The IRS defines medical expenses as "the costs of diagnosis, cure, mitigation, treatment, or prevention of disease," and they "don't include expenses that are merely beneficial to general health."

Obesity counts as a disease for these rules. In Revenue Ruling 2002-19, the IRS wrote that "obesity is medically accepted to be a disease in its own right" and held that weight-loss treatment for a disease diagnosed by a physician is medical care. That ruling is why a GLP-1 prescribed for obesity can qualify even when your health insurance won't cover it.

The same rules apply to an HSA, a health FSA and a health reimbursement arrangement (HRA), because all three pay for "medical care" as the tax code defines it. What differs is who checks, how much you can put in and what your employer's plan allows, which the sections below cover.

What Does IRS Publication 502 Say About Weight Loss Drugs?

Publication 502 doesn't name GLP-1 drugs such as Zepbound®, Wegovy® or Ozempic®. It answers the question through three rules, quoted here from the 2025 edition, the current one in November 2026:

• Medicines: "You can include in medical expenses amounts you pay for prescribed medicines and drugs." Except for insulin, a drug that isn't prescribed doesn't count as a deductible medical expense.
• Weight-loss program: "You can include in medical expenses amounts you pay to lose weight if it is a treatment for a specific disease diagnosed by a physician (such as obesity, hypertension, or heart disease)."
• What is not included: "You can't include in medical expenses the cost of a weight-loss program if the purpose of the weight loss is the improvement of appearance, general health, or sense of well-being."

The IRS repeats the rule for HSAs and FSAs in its FAQ on nutrition, wellness and general health expenses. Asked whether a weight-loss program can be paid or reimbursed by an HSA, FSA, Archer MSA or HRA, it answers: "Yes, but only if the program treats a specific disease diagnosed by a physician (such as obesity, diabetes, hypertension, or heart disease). Otherwise, the cost of a weight-loss program is not a medical expense."

In plain words: a GLP-1 prescribed because you have obesity, or overweight with a condition such as high blood pressure or type 2 diabetes, fits the rule. A GLP-1 bought to lose a few pounds for an event does not.

Is Zepbound, Wegovy or Ozempic HSA or FSA Eligible?

Brand GLP-1s are prescription drugs approved for medical conditions, so they generally meet the IRS tests when they're prescribed for those conditions. Here is how the main brands line up, as of November 2026:

Eli Lilly's own pages say it directly: LillyDirect marks Zepbound vials, KwikPens and single-dose pens "HSA/FSA eligible: Eligibility may vary by plan," and Lilly's savings page adds "Check with your benefits administrator to confirm eligibility" (both read in November 2026).

One rule trips people up: you can use your HSA or FSA only for the part you actually pay. The IRS limits qualified expenses to amounts "not compensated for by insurance or otherwise," so if your insurance or a manufacturer savings card pays part of the price, only your share counts. For Zepbound's self-pay and savings card prices, see how much Zepbound costs without insurance.

Can You Use an HSA or FSA for Compounded Tirzepatide or Semaglutide?

It can be, but it isn't automatic. IRS publications don't mention compounded medicine at all. The same two tests apply: compounded tirzepatide or semaglutide is prepared by a state-licensed pharmacy for one patient's prescription, so the question is whether it was prescribed to treat a diagnosed disease. Whether your FSA reimburses it is up to your plan administrator, and with an HSA you keep the records that show it qualified.

Be clear about what compounded medicine is. Compounded tirzepatide is prepared by a licensed pharmacy for one patient's prescription and is not FDA-approved, which means the FDA hasn't reviewed it for safety, effectiveness or quality. The same is true of compounded semaglutide. Neither is a copy of Zepbound or Wegovy, and there is no FDA-approved generic of either brand.

Two things clearly don't qualify:

• Products sold without a prescription. Semaglutide or tirzepatide sold online without a prescription, including products falsely labeled "for research purposes" or "not for human consumption," are not prescribed medicines. The FDA has warned sellers of these products and tells patients to get a prescription and fill it at a state-licensed pharmacy (FDA, page current as of October 1, 2026).
• Drugs ordered from other countries. Publication 502 says you generally can't include "the cost of a prescribed drug brought in (or ordered and shipped) from another country" unless it was imported legally.

HSA vs FSA: What Is the Difference for GLP-1 Costs?

Both accounts use pre-tax money for the same kinds of expenses, but they work differently day to day:

Sources: Publication 969, Rev. Proc. 2025-19 (2026 HSA limits), Rev. Proc. 2026-24 (2027 HSA limits) and Rev. Proc. 2025-32 (2026 FSA limits).

A few account types can't pay for a GLP-1 at all, so check which one you have:

• Limited-purpose FSA. If you put money into an HSA, an FSA you also have through work is usually a limited-purpose FSA, which pays only for things like dental, vision and preventive care. It can't pay for a GLP-1 prescription; your HSA can.
• Dependent care FSA. It pays for child or adult care, not medicine.
• HRA. Your employer funds it and decides what it covers, so read the plan or ask HR.

An FSA also has a timing rule: under Publication 969, it reimburses expenses you incurred during the plan's coverage period. A monthly GLP-1 prescription fits that well, but check your plan's deadline for filing claims.

Can You Use HSA Money for a Weight Loss Program or Membership Fee?

Sometimes. Publication 502 says that when weight loss treats a disease diagnosed by a physician, you can include "fees you pay for membership in a weight reduction group as well as fees for attendance at periodic meetings." Payments to physicians and other licensed medical practitioners for medical care also count. So a program's provider visits and the prescribed medicine can qualify.

Other parts of a program often don't:

• Gym dues: not included, though Publication 502 allows separate fees charged for weight-loss activities.
• Diet food and shakes: not included, because they replace food you would normally eat.
• Supplements and vitamins: not included unless a medical practitioner recommends them to treat a specific diagnosed condition.
• Coaching or wellness extras: depends on whether they are part of treating a diagnosed disease.

If a program bundles medicine, provider care and extras into one fee, your administrator may ask what the fee includes. Keep the program's description of what you paid for, and ask the program what documents it can provide before you file a claim. A "HSA/FSA accepted" note at checkout means the payment card works there; it doesn't decide whether the expense qualifies.

Do You Need a Letter of Medical Necessity for a GLP-1?

Usually not for the prescription itself, but your plan may ask for one. The IRS doesn't use the term "letter of medical necessity." What its rules require is that the expense treats a diagnosed disease, and for a health FSA, Publication 969 says you must give the plan "a written statement from an independent third party stating that the medical expense has been incurred and the amount of the expense."

In practice, plan administrators decide what paperwork they need. A pharmacy receipt for a prescription is often enough for a drug. Administrators more often ask for a letter for expenses that could be medical or personal, such as weight-loss programs. Fidelity, an HSA provider, describes the letter as a document from your health care provider that "typically states your diagnosis, your need for a certain therapy or medical device, and the duration of your treatment," and lists weight-loss programs among the expenses that may need one (Fidelity, June 2026).

A letter can't turn a personal expense into a medical one. In a March 6, 2024 alert, IR-2024-65, the IRS warned that "notes from doctors based merely on self-reported health information" don't convert food, wellness or exercise costs into medical expenses. A GLP-1 prescribed after a real medical review for a diagnosed condition is a different thing from a note sold to unlock an account.

What Records Should You Keep for HSA or FSA Purchases?

Keep enough to prove the expense was medical care, how much you paid, and that nobody else paid it. For an HSA, Publication 969 says you must keep records showing that each distribution paid only for qualified medical expenses, that those expenses weren't paid or reimbursed from another source, and that you didn't also deduct them. You don't send these records with your tax return; you keep them with your tax records.

A simple file for each fill:

1. The prescription, or the pharmacy label, showing the drug and your name.
2. The receipt, showing the date, the drug or service, the amount you paid and who you paid.
3. The diagnosis, if your plan asks, such as a visit note or a letter from your prescriber.
4. Any reimbursement, such as an explanation of benefits or a savings card statement, so you claim only your share.
5. Your plan's answer, if you asked your administrator in writing whether the expense qualifies.

What Happens If You Use HSA Money for Something That Doesn't Qualify?

You pay tax on it. Publication 969 says HSA money withdrawn for anything other than qualified medical expenses "will be subject to income tax and may be subject to an additional 20% tax." The extra 20% doesn't apply after you turn 65, become disabled or die, but the income tax still does.

With an FSA, the plan checks the expense before it pays, so an expense that doesn't qualify is usually just denied. The IRS also warns that a plan that reimburses non-medical expenses can lose its qualified status, which is why administrators are careful with weight-loss claims.

Can You Deduct GLP-1 Costs on Your Taxes?

Possibly, if you itemize. Publication 502 lets you deduct on Schedule A only the part of your total medical and dental expenses that is more than 7.5% of your adjusted gross income. You can't deduct anything you paid with tax-free HSA or FSA money, because that would count the same dollars twice. A tax professional can tell you whether itemizing makes sense for you.

How Does MaxLife Fit In?

MaxLife is a telehealth patient management platform for people paying cash; it is not a pharmacy, drug maker or compounder, and it doesn't take insurance. You complete an online intake in about 2 minutes. A licensed provider reviews your online intake, health history and clinical records, usually within 24 hours, can follow up with questions, and you can ask for a video visit. If the provider decides a compounded GLP-1 is right for you, licensed partner pharmacies prepare and dispense it.

MaxLife's program is for weight management. Prices are flat: compounded tirzepatide is $120/mo and compounded semaglutide is $89/mo, all-inclusive and the same price at every dose, with no membership fee. MaxLife's plans are HSA and FSA eligible; eligibility depends on your plan, so confirm with your plan administrator before you pay, and keep your records as described above. Compounded medicines are not FDA-approved. If your insurance covers a brand GLP-1, the brand may cost you less; our guide to GLP-1 treatment without insurance compares the cash routes, and weight loss drugs covered by insurance covers prior authorization and appeals. If Aetna is your insurer, see does Aetna cover Zepbound?

The Bottom Line

As of November 2026, IRS rules let you use an HSA or a health FSA for a GLP-1 when it is prescribed to treat a diagnosed disease such as obesity or type 2 diabetes. The IRS has treated obesity as a disease since 2002. Weight loss for appearance doesn't qualify, an FSA pays only what your plan allows, and limited-purpose and dependent care FSAs can't pay for it. Compounded medicine follows the same tests but is not FDA-approved, and your administrator has the final say. Keep the prescription, the receipt and the diagnosis, and ask your plan administrator before you pay. For what each route costs, see tirzepatide cost and semaglutide cost.