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Metformin

NDC 70010-491 · Granules Pharmaceuticals Inc.

Generic nameMetformin ER 500 mg
Dosage formTABLET, EXTENDED RELEASE
RouteORAL
Active ingredient(s)METFORMIN HYDROCHLORIDE
Strength500 mg/1
Pharmacologic classBiguanide [EPC], Biguanides [CS]
Marketing categoryANDA

Packages

70010-491-01 — 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (70010-491-01)

70010-491-05 — 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (70010-491-05)

70010-491-09 — 90 TABLET, EXTENDED RELEASE in 1 BOTTLE (70010-491-09)

70010-491-10 — 1000 TABLET, EXTENDED RELEASE in 1 BOTTLE (70010-491-10)

70010-491-18 — 5000 TABLET, EXTENDED RELEASE in 1 POUCH (70010-491-18)

70010-491-19 — 25000 TABLET, EXTENDED RELEASE in 1 CARTON (70010-491-19)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

69367-182 — METFORMIN HYDROCHLORIDE, 69367-381 — Metformin Hydrochloride, 69367-382 — Metformin Hydrochloride, 69367-383 — Metformin Hydrochloride, 69367-412 — METFORMIN HYDROCHLORIDE, 69367-413 — METFORMIN HYDROCHLORIDE, 69452-380 — Metformin Hydrochloride, 70010-063 — Metformin Hydrochloride, 70010-064 — Metformin Hydrochloride, 70010-065 — Metformin Hydrochloride, 70010-492 — Metformin ER 750 mg, 70010-496 — Metformin Hydrochloride, 70010-497 — Metformin Hydrochloride, 70247-018 — Metformin Hydrochloride Extended-Release Tablets, 70247-019 — Metformin Hydrochloride Extended-Release Tablets, 70518-0373 — Glipizide and Metformin Hydrochloride, 70518-1149 — Metformin Hydrochloride, 70518-1951 — METFORMIN HYDROCHLORIDE, 70518-2709 — Metformin Hydrochloride, 70518-2833 — Metformin Hydrochloride, +600 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.

Read from: FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24; CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release). All data sources · How to read the labels