| Formetic | Zakłady Farmaceutyczne POLPHARMA S.A. | 5,23 zł | 2,39 zł | 30% | vs Metformax 500vs Avaminavs Zenofor |
| Metformax 500 | Teva Pharmaceuticals Polska Sp. z o.o. | 5,81 zł | 2,67 zł | 30% | vs Formeticvs Avaminavs Zenofor |
| Avamina | Bioton S.A. | 10,66 zł | 3,20 zł | ryczałt | vs Formeticvs Metformax 500vs Zenofor |
| Zenofor | Zentiva, k.s. | 11,75 zł | 3,20 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Siofor 500 | Berlin-Chemie AG (Menarini Group) | 16,27 zł | 3,24 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Metformin Bluefish | Bluefish Pharmaceuticals AB | 4,36 zł | 3,50 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Metformin Medreg | Medreg s.r.o. | 8,49 zł | 3,57 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Zenofor SR | Zentiva, k.s. | 6,66 zł | 5,80 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Diabufor XR | Farmak International Sp. z o.o. | 10,95 zł | 6,03 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| RANMET XR | Ranbaxy (Poland) Sp. z o.o. | 10,95 zł | 6,03 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Symformin XR | Farmak International Sp. z o.o. | 7,80 zł | 6,94 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Siofor XR 500 mg | Berlin-Chemie AG | 7,81 zł | 6,95 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Avamina SR | Bioton S.A. | 8,81 zł | 7,95 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Metformax SR 500 | Teva Pharmaceuticals Polska Sp. z o.o. | 9,35 zł | 8,49 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Glucophage XR | Merck Santé S.A.S | 9,42 zł | 8,56 zł | ryczałt | vs Formeticvs Metformax 500vs Avamina |
| Abmetfina XR | Tarchomińskie Zakłady Farmaceutyczne "Polfa" S.A. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Etform 500 | Sandoz GmbH | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Etform SR | Sandoz GmbH | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Formetic SR | Zakłady Farmaceutyczne POLPHARMA S.A. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Glucophage 500 mg | Merck Sante s.a.s. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| IRUKA | Farmaceutici Caber S.r.l. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Meladine SR | Accord Healthcare Polska Sp. z o.o. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metcrean | Synoptis Pharma Sp. z o.o. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metcrean XR | Synoptis Pharma Sp. z o.o. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metformin hydrochloride Biofarm | Biofarm Sp. z o.o. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metformin hydrochloride Interdos Pharma | Sohan Healthcare sro | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metformin hydrochloride Inventia | Inventia Healthcare B.V. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metformin hydrochloride Sandoz | Sandoz GmbH | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metformin hydrochloride Sandoz GmbH | Sandoz GmbH | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metformin hydrochloride STADA | STADA Arzneimittel AG | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metformin hydrochloride STADA | STADA Arzneimittel AG | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Metformin Vitabalans | Vitabalans Oy | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Normoton | Gedeon Richter Polska Sp. z o.o. | - | - | - | vs Formeticvs Metformax 500vs Avamina |
| Valimar | Fairmed Healthcare GmbH | - | - | - | vs Formeticvs Metformax 500vs Avamina |