DEA schedule
Is metformin a controlled substance?
Federal schedule for metformin from the FDA NDC directory, checked against the DEA controlled substances list.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
No. Metformin is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and metformin is not on the DEA controlled substances list.
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Schedule check
| Source | What it lists |
|---|---|
| FDA NDC directory | 449 prescription listings from 85 labelers, none with a DEA schedule |
| DEA controlled substances list | metformin is not on the list |
Metformin NDC listings
| NDC | Product | Form | Strength | Labeler | DEA schedule |
|---|---|---|---|---|---|
| 68012-003 | Glumetza | tablet, film coated, extended release | 1000 mg/1 | Santarus, Inc. | None |
| 68012-002 | Glumetza | tablet, film coated, extended release | 500 mg/1 | Santarus, Inc. | None |
| 68012-004 | Glumetza | tablet, film coated, extended release | 500 mg/1 | Santarus, Inc. | None |
| 50090-6515 | Metformin | tablet | 500 mg/1 | A-S Medication Solutions | None |
| 71610-613 | Metformin | tablet | 500 mg/1 | Aphena Pharma Solutions - Tennessee, LLC | None |
| 50742-634 | Metformin | tablet, extended release | 1000 mg/1 | Ingenus Pharmaceuticals, LLC | None |
| 67046-1584 | Metformin | tablet, extended release | 1000 mg/1 | Coupler LLC | None |
| 70518-4651 | Metformin | tablet, extended release | 1000 mg/1 | REMEDYREPACK INC. | None |
| 50090-6516 | Metformin | tablet, extended release | 500 mg/1 | A-S Medication Solutions | None |
| 50742-633 | Metformin | tablet, extended release | 500 mg/1 | Ingenus Pharmaceuticals, LLC | None |
| 67046-0437 | Metformin | tablet, extended release | 500 mg/1 | Coupler LLC | None |
| 67046-1557 | Metformin | tablet, extended release | 500 mg/1 | Coupler LLC | None |
| 68645-595 | Metformin | tablet, extended release | 500 mg/1 | Legacy Pharmaceutical Packaging, LLC | None |
| 70010-491 | Metformin | tablet, extended release | 500 mg/1 | Granules Pharmaceuticals Inc. | None |
| 70518-4370 | Metformin | tablet, extended release | 500 mg/1 | REMEDYREPACK INC. | None |
| 71335-2354 | Metformin | tablet, extended release | 500 mg/1 | Bryant Ranch Prepack | None |
| 72162-2424 | Metformin | tablet, extended release | 500 mg/1 | Bryant Ranch Prepack | None |
| 82804-147 | Metformin | tablet, extended release | 500 mg/1 | Proficient Rx LP | None |
| 50090-7372 | Metformin | tablet, extended release | 750 mg/1 | A-S Medication Solutions | None |
| 50090-7373 | Metformin | tablet, extended release | 750 mg/1 | A-S Medication Solutions | None |
| 70010-492 | Metformin | tablet, extended release | 750 mg/1 | Granules Pharmaceuticals Inc. | None |
| 71335-2524 | Metformin | tablet, extended release | 750 mg/1 | Bryant Ranch Prepack | None |
| 62207-491 | Metformin ER 500 mg | tablet | 500 mg/1 | Granules India Ltd | None |
| 82009-117 | Metformin ER 500 mg | tablet | 500 mg/1 | Quallent Pharmaceuticals Health LLC | None |
| 62207-492 | Metformin ER 750 mg | tablet | 750 mg/1 | Granules India Ltd | None |
| 82009-118 | Metformin ER 750 mg | tablet | 750 mg/1 | Quallent Pharmaceuticals Health LLC | None |
| 42708-018 | Metformin HCl | tablet | 1000 mg/1 | QPharma, Inc. | None |
| 50090-3579 | Metformin HCl | tablet | 1000 mg/1 | A-S Medication Solutions | None |
| 50090-4892 | Metformin HCl | tablet | 1000 mg/1 | A-S Medication Solutions | None |
| 50090-7750 | Metformin HCl | tablet | 1000 mg/1 | A-S Medication Solutions | None |
| 67877-563 | Metformin HCl | tablet | 1000 mg/1 | Ascend Laboratories, LLC | None |
| 68071-3697 | Metformin HCl | tablet | 1000 mg/1 | NuCare Pharmaceuticals, Inc. | None |
| 71205-548 | Metformin HCl | tablet | 1000 mg/1 | Proficient Rx LP | None |
| 72189-635 | Metformin HCL | tablet | 1000 mg/1 | Direct_Rx | None |
| 72789-189 | Metformin HCl | tablet | 1000 mg/1 | PD-Rx Pharmaceuticals, Inc. | None |
| 80425-0435 | Metformin HCl | tablet | 1000 mg/1 | Advanced Rx of Tennessee, LLC | None |
| 87441-055 | Metformin HCl | tablet | 1000 mg/1 | Unit Dose Solutions, Inc. | None |
| 42708-009 | Metformin HCl | tablet | 500 mg/1 | QPharma, Inc. | None |
| 50090-3064 | Metformin HCl | tablet | 500 mg/1 | A-S Medication Solutions | None |
| 50090-4891 | Metformin HCl | tablet | 500 mg/1 | A-S Medication Solutions | None |
Showing 40 of 449 listings.
Questions
Is metformin a controlled substance?
No. Metformin is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and metformin is not on the DEA controlled substances list.
Is metformin a narcotic?
No. Metformin is not on the DEA controlled substances list, so the DEA does not classify it as a narcotic. Its FDA established pharmacologic class is Biguanide.
Does this page cover state schedules?
No. This page reports the federal schedule only. Some states schedule drugs on their own; check your state board of pharmacy.
More on Metformin
- What is Metformin used for?FDA label uses
- Generic for RiometFDA Orange Book
- Generic for FortametFDA Orange Book
- Generic for Glucophage XRFDA Orange Book
- Generic for GlumetzaFDA Orange Book
- Generic for GlucophageFDA Orange Book
- Biguanides listFDA drug class
- NDC 68012-002Metformin NDC record
- NDC 68012-003Metformin NDC record
- NDC 68012-004Metformin NDC record