| 02305062 | Apo-Metformin ER(Off-Formulary Interchangeable) | 0.6584 | N/A |
| 02268493 | Glumetza(Off-Formulary Interchangeable) | N/A | N/A |
| 02550504 | Mar-Metformin XR(Off-Formulary Interchangeable) | 0.6584 | N/A |
| 02558785 | Metformin ER(Off-Formulary Interchangeable) | 0.6584 | N/A |
| 02547309 | Mint-Metformin XR(Off-Formulary Interchangeable) | 0.6584 | N/A |
| 02552027 | Taro-Metformin XR(Off-Formulary Interchangeable) | 0.6584 | N/A |