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Isosorbide Mononitrate: what pharmacies actually pay

Prices below are the National Average Drug Acquisition Cost (NADAC) — the federal government's weekly survey of what pharmacies actually pay their wholesalers, as of 07/22/2026. Your pharmacy's cash price includes their markup and dispensing cost, so it will be higher — but if it's many times this number, that's a signal to shop around.

Form & strengthPharmacy costUnitType
ISOSORBIDE MONONIT 10 MG TAB$2.83per tablet/unitGeneric
ISOSORBIDE MONONIT 20 MG TAB$2.93per tablet/unitGeneric
ISOSORBIDE MONONIT ER 120 MG$0.16per tablet/unitGeneric
ISOSORBIDE MONONIT ER 30 MG TB$0.07per tablet/unitGeneric
ISOSORBIDE MONONIT ER 60 MG TB$0.10per tablet/unitGeneric

Rough math: a typical 30-day supply of one tablet/day equals 30× the per-unit cost.

This is pricing information, not medical advice. Talk to your doctor or pharmacist before changing any medication.

Which Medicare plans cover this drug?

Pick your state and county to see every plan there, filtered to this drug — with the tier, prior-authorization status, and estimated copay.

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