| 02460653 | Apo-Metformin ER(Off-Formulary Interchangeable) | 1.3233 | N/A |
| 02300451 | Glumetza(Off-Formulary Interchangeable) | N/A | N/A |
| 02550512 | Mar-Metformin XR(Off-Formulary Interchangeable) | 1.3233 | N/A |
| 02558793 | Metformin ER(Off-Formulary Interchangeable) | 1.3233 | N/A |
| 02547317 | Mint-Metformin XR(Off-Formulary Interchangeable) | 1.3233 | N/A |
| 02565536 | Taro-Metformin XR(Off-Formulary Interchangeable) | 1.3233 | N/A |