Mounjaro Cost With Insurance: Typical Copays by Plan Type

With commercial insurance that covers it, the savings card can bring the copay down to $25 for up to a 3-month fill. If your plan does not cover it, the offer for that case is $499 a month. On Medicare Part D, most people pay $0 to $50 per 28 days.

List price: $1,112.16 per fill
With a savings card: For a fill of up to 3 months, you may pay as little as $25
Medicare: $0 to $50 per 28 days

Two factors set your Mounjaro cost with insurance: the copay on your plan, and whether it covers Mounjaro at all Different rules apply to Medicare, to the savings card, and to the no-coverage offer

Mounjaro basics

Time it remains in the body

Half-life is about 5 days: after 5 d, half is gone, and after five half-lives (25 d), about 3% remains.

Weight loss in the main trial

In SURPASS-1, people with type 2 diabetes lost 7.8 kg over 40 weeks, compared with 1 kg on placebo

Sources: FDA label (DailyMed).

Mounjaro cost with insurance: the price table

Mounjaro prices by route
Route	Who it is for	What you pay	Limits and dates
List price	Before insurance or any discount	$1,112.16 per fill	Not listed
Mounjaro Savings Card	Commercially insured with Mounjaro coverage; government plans excluded	For a fill of up to 3 months, you may pay as little as $25	Savings of up to $150 apply to each 1-month fill. Annual cap of up to $1,950 in any calendar year. Excluded plans: Medicare, Medicaid, along with other government health plans
Mounjaro savings offer if your plan does not cover Mounjaro	commercial plan without coverage	$499 a month	Not listed
Medicare Part D plan	about 8 in 10 Part D patients	$0 to $50 per 28 days	Not listed

Prices checked November 2026. Each price links to the page where that price comes from.

Sources: pricinginfo.lilly.com, mounjaro.lilly.com, GoodRx.

How your copay works with the savings card

If your commercial plan covers Mounjaro, the card can lower your copay to for a fill of up to 3 months, you may pay as little as $25.
For each 1-month fill, the card covers no more than $150. Only part of a copay above the cap is covered.
Once savings total $1,950 in a calendar year, they end.
Government plans, including Medicare and Medicaid, cannot use this offer.
If your plan has no Mounjaro coverage, a different program charges $499 each month.

Source: mounjaro.lilly.com.

Check your plan's coverage

What changes Mounjaro cost

For coupon prices, GoodRx says they often change and vary by pharmacy.

Mounjaro cost with insurance: a pharmacy receipt and a calculator

Source: investors.goodrx.com.

Your cheapest Mounjaro option by coverage

Lowest-cost route for each coverage type
If you have	Cheapest route	You pay
Commercial insurance that covers it	Mounjaro Savings Card	For a fill of up to 3 months, you may pay as little as $25
Commercial insurance that does not cover it	Mounjaro savings offer if your plan does not cover Mounjaro	$499 a month
No insurance	GoodRx: GoodRx coupon price	$1,087.30 per carton
Medicare	Medicare Part D plan	$0 to $50 per 28 days
Medicaid	Your state's Medicaid drug list decides	Mounjaro and Medicaid by state