| 0904-6689 | Metformin hydrochloride | Metformin hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-6689 | Metformin hydrochloride | Metformin hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-6689 | Metformin hydrochloride | Metformin hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-6690 | Metformin hydrochloride | Metformin hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-6690 | Metformin hydrochloride | Metformin hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-6690 | Metformin hydrochloride | Metformin hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-6691 | Metformin hydrochloride | Metformin hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-6691 | Metformin hydrochloride | Metformin hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-6691 | Metformin hydrochloride | Metformin hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-7162 | Metformin Hydrochloride | Metformin Hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-7163 | Metformin Hydrochloride | Metformin Hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 0904-7164 | Metformin Hydrochloride | Metformin Hydrochloride | Major Pharmaceuticals | ANDA | Current |
| 10544-133 | Metformin Hydrochloride | Metformin Hydrochloride | Blenheim Pharmacal, Inc. | ANDA | Current |
| 10544-254 | Metformin Hydrochloride | Metformin Hydrochloride | Blenheim Pharmacal Inc. | ANDA | Current |
| 10544-589 | Metformin Hydrochloride | Metformin Hydrochloride | Blenheim Pharmacal Inc. | ANDA | Current |
| 10544-947 | Metformin Hydrochloride | Metformin Hydrochloride | Blenheim Pharmacal Inc. | ANDA | Current |
| 23155-102 | metformin hydrochloride | metformin hydrochloride | Heritage Pharmaceuticals Inc. | ANDA | Current |
| 23155-102 | metformin hydrochloride | metformin hydrochloride | Heritage Pharmaceuticals Inc. | ANDA | Current |
| 23155-102 | metformin hydrochloride | metformin hydrochloride | Heritage Pharmaceuticals Inc. | ANDA | Current |
| 23155-103 | metformin hydrochloride | metformin hydrochloride | Heritage Pharmaceuticals Inc. | ANDA | Current |
| 23155-103 | metformin hydrochloride | metformin hydrochloride | Heritage Pharmaceuticals Inc. | ANDA | Current |
| 23155-103 | metformin hydrochloride | metformin hydrochloride | Heritage Pharmaceuticals Inc. | ANDA | Current |
| 23155-104 | metformin hydrochloride | metformin hydrochloride | Heritage Pharmaceuticals Inc. | ANDA | Current |
| 23155-104 | metformin hydrochloride | metformin hydrochloride | Heritage Pharmaceuticals Inc. | ANDA | Current |
| 23155-104 | metformin hydrochloride | metformin hydrochloride | Heritage Pharmaceuticals Inc. | ANDA | Current |
| 42708-009 | Metformin HCl | Metformin HCl | QPharma Inc | ANDA | Current |
| 42708-009 | Metformin HCl | Metformin HCl | QPharma Inc | ANDA | Current |
| 42708-009 | Metformin HCl | Metformin HCl | QPharma Inc | ANDA | Current |
| 42708-018 | Metformin HCl | Metformin HCl | QPharma Inc | ANDA | Current |
| 42708-018 | Metformin HCl | Metformin HCl | QPharma Inc | ANDA | Current |
| 42708-018 | Metformin HCl | Metformin HCl | QPharma Inc | ANDA | Current |
| 42806-313 | Metformin Hydrochloride | Metformin Hydrochloride | Epic Pharma, LLC | ANDA | Current |
| 42806-313 | Metformin Hydrochloride | Metformin Hydrochloride | Epic Pharma, LLC | ANDA | Current |
| 42806-314 | Metformin Hydrochloride | Metformin Hydrochloride | Epic Pharma, LLC | ANDA | Current |
| 42806-314 | Metformin Hydrochloride | Metformin Hydrochloride | Epic Pharma, LLC | ANDA | Current |
| 42806-315 | Metformin Hydrochloride | Metformin Hydrochloride | Epic Pharma, LLC | ANDA | Current |
| 42806-315 | Metformin Hydrochloride | Metformin Hydrochloride | Epic Pharma, LLC | ANDA | Current |
| 43063-889 | Metformin hydrochloride | Metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-889 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-889 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-889 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-889 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-889 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-889 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-889 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-889 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-898 | Metformin hydrochloride | Metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-898 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-898 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-898 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-898 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-898 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 43063-898 | metformin hydrochloride | metformin hydrochloride | PD-Rx Pharmaceuticals, Inc. | ANDA | Current |
| 45865-517 | Metformin hydrochloride | Metformin hydrochloride | Medsource Pharmaceuticals | ANDA | Current |
| 49999-116 | metformin hydrochloride | metformin hydrochloride | Quality Care Products, LLC | ANDA | Current |
| 50090-0766 | metformin hydrochloride | metformin hydrochloride | A-S Medication Solutions | ANDA | Current |
| 50090-0766 | Metformin hydrochloride | Metformin hydrochloride | A-S Medication Solutions | ANDA | Current |
| 50090-0766 | metformin hydrochloride | metformin hydrochloride | A-S Medication Solutions | ANDA | Current |
| 50090-0766 | metformin hydrochloride | metformin hydrochloride | A-S Medication Solutions | ANDA | Current |
| 50090-0769 | Metformin hydrochloride | Metformin hydrochloride | A-S Medication Solutions | ANDA | Current |
| 50090-0775 | Metformin hydrochloride | Metformin hydrochloride | A-S Medication Solutions | ANDA | Current |
| 50090-3050 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-3050 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-3050 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-3050 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-3064 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-3064 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-3579 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-3579 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-3579 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-3579 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-4891 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-4892 | Metformin HCl | Metformin HCl | A-S Medication Solutions | ANDA | Current |
| 50090-4943 | metformin hydrochloride | metformin hydrochloride | A-S Medication Solutions | ANDA | Current |
| 50090-4973 | metformin hydrochloride | metformin hydrochloride | A-S Medication Solutions | ANDA | Current |
| 50436-9054 | Metformin hydrochloride | Metformin hydrochloride | Unit Dose Services | ANDA | Current |
| 50436-9054 | Metformin hydrochloride | metformin hydrochloride | Unit Dose Services | ANDA | Current |
| 50436-9055 | Metformin hydrochloride | Metformin hydrochloride | Unit Dose Services | ANDA | Current |
| 50436-9056 | Metformin hydrochloride | Metformin hydrochloride | Unit Dose Services | ANDA | Current |
| 50742-154 | Metformin hydrochloride | Metformin hydrochloride | Ingenus Pharmaceuticals, LLC | ANDA | Current |