Metformin
Also known as: Glucophage, Glumetza, Riomet.
Wholesale (NADAC) cost for every strength and dosage form — the price pharmacies pay, published weekly by CMS. Not your out-of-pocket price.
Wholesale (NADAC) prices — every strength & form
| Strength | Form | NADAC / unit | Class |
|---|---|---|---|
| 500 MG | (unspecified) ER | $0.278 / unit | Generic |
| 500 MG | Tablet ER | $0.030 / unit | Generic |
| 500 MG | Tablet | $0.014 / unit | Generic |
| 500 MG/5 ML | Solution | $0.424 / mL | Generic |
| 625 MG | Tablet | $12.53 / unit | Generic |
| 750 MG | Tablet | $14.61 / unit | Generic |
| 750 MG | Tablet ER | $0.055 / unit | Generic |
| 850 MG | Tablet | $0.025 / unit | Generic |
| 1000 MG | (unspecified) ER | $0.304 / unit | Generic |
| 1000 MG | Tablet | $0.024 / unit | Generic |
Wholesale (NADAC) — the price pharmacies pay, not your out-of-pocket price. Liquids, creams, and sprays are priced per mL or gram; a typical package may be a bottle or tube (size not set yet).
NADAC week of 2026-07-01 · updated weekly · source CMS
Medicaid & Medicare spending · 2024
In 2024, Medicaid paid $124,587,133 gross for Metformin across 9,574,511 prescriptions (measured, national).
Medicare Part D EST spent an estimated ~$188,056,768 gross (retail pharmacy only; excludes Part B).
Gross program spending, before rebates — not what patients pay out of pocket. Brand net cost is materially lower after confidential rebates; generics are close to net.
Source: Medicaid SDUD 2024 · Medicare Part D 2024 · CMSBuy it with a cash program — no insurance needed
500 MG · Tablet
TrumpRx discount card$4.40 · 30 tablets — $5.13 · 60 tablets — $5.45 · 90 tablets
Amazon Pharmacy (mail)$4.40 · 30 tablets — $7.70 · 90 tablets — $8.30 · 60 tablets
Cost Plus Drugs (mail)$10.57 · 30 tablets — $10.89 · 60 tablets — $11.21 · 90 tablets
850 MG · Tablet
TrumpRx discount card$7.70 · 90 tablets — $8.30 · 60 tablets
Amazon Pharmacy (mail)$7.70 · 90 tablets — $8.30 · 60 tablets
Cost Plus Drugs (mail)$11.35 · 60 tablets — $11.91 · 90 tablets
1000 MG · Tablet
TrumpRx discount card$5.29 · 60 tablets — $5.69 · 90 tablets
Amazon Pharmacy (mail)$7.70 · 90 tablets — $8.30 · 60 tablets
Cost Plus Drugs (mail)$11.39 · 60 tablets — $11.96 · 90 tablets
Fixed program prices at participating pharmacies or by mail. Covered strengths & quantities only; program terms apply. TrumpRx card & mail-order prices as listed on trumprx.gov (updated weekly). Mail orders take days to arrive.