Brand-name prescription

Janumet

sitagliptin and metformin

Compare your options

CompareJanumetBrand nameAuthorized genericWithout the Janumet nameRegular genericsitagliptin and metformin
What pharmacies pay$5.28per tabletNot soldLowestfrom$1.76–1.92per tablet
Same as Janumet?The original–Same active ingredientFillers and dyes can differ
Ways to saveMaker’s card–Ask for it by name
With insuranceBrand co-pay, usually the highest–Usually the lowest co-pay

No authorized generic: There isn’t one.

Prices are the average U.S. drugstores pay (source: Medicaid, September 23, 2026). What you pay depends on your plan or the pharmacy.

Check the maker’s page for who can use it.

The maker’s savings card

Rx Maker’s savings card Merck

Merck Cash-Pay Gateway

Janumet’s maker has a savings program. Its page doesn’t list a dollar amount.

Get it on merckcashpaygateway.com

From the maker’s official site, checked September 25, 2026. Check the maker’s page for who can use it.

What pharmacies pay

The average U.S. drugstores pay for each strength (source: Medicaid, September 23, 2026). What you pay depends on your plan or the pharmacy.

StrengthJanumetRegular generic
50-1,000 mg tabletper tablet$5.28$1.76
50-500 mg tabletper tablet$5.28$1.92

Good to know