| Zenofor SR | Zentiva, k.s. | 9,51 zł | 6,62 zł | ryczałt | vs Diabufor XRvs RANMET XRvs Siofor XR 750 mg |
| Diabufor XR | Farmak International Sp. z o.o. | 16,11 zł | 7,14 zł | ryczałt | vs Zenofor SRvs RANMET XRvs Siofor XR 750 mg |
| RANMET XR | Ranbaxy (Poland) Sp. z o.o. | 16,11 zł | 7,14 zł | ryczałt | vs Zenofor SRvs Diabufor XRvs Siofor XR 750 mg |
| Siofor XR 750 mg | Berlin-Chemie AG | 10,92 zł | 8,03 zł | ryczałt | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Symformin XR | Farmak International Sp. z o.o. | 11,26 zł | 8,37 zł | ryczałt | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Metformax SR 750 | Teva B.V. | 11,45 zł | 8,56 zł | ryczałt | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Avamina SR | Bioton S.A. | 12,27 zł | 9,38 zł | ryczałt | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Abmetfina XR | Tarchomińskie Zakłady Farmaceutyczne "Polfa" S.A. | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Etform SR | Sandoz GmbH | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Formetic SR | Zakłady Farmaceutyczne POLPHARMA S.A. | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| IRUKA | Farmaceutici Caber S.r.l. | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Meladine SR | Accord Healthcare Polska Sp. z o.o. | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Metcrean XR | Synoptis Pharma Sp. z o.o. | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Metformin hydrochloride Interdos Pharma | Sohan Healthcare sro | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Metformin hydrochloride Inventia | Inventia Healthcare B.V. | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Metformin hydrochloride Sandoz | Sandoz GmbH | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Metformin hydrochloride Sandoz GmbH | Sandoz GmbH | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Metformin hydrochloride STADA | STADA Arzneimittel AG | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |
| Valimar | Fairmed Healthcare GmbH | - | - | - | vs Zenofor SRvs Diabufor XRvs RANMET XR |