Pill Identification by Imprints: M500 Home Pill Identification by Imprints: M500 5 results GLUMETZA ER 500 MG TABLET Side 1: M500 Color: White Side 2: Shape: Oval METFORMIN HCL ER 500 MG TABLET Side 1: M500 Color: White Side 2: Shape: Oval METRONIDAZOLE 500 MG TABLET Side 1: M500 Color: Blue Side 2: Shape: Oval METRONIDAZOLE 500 MG TABLET Side 1: M500 Color: Blue Side 2: Shape: Oval METRONIDAZOLE 500 MG TABLET Side 1: M500 Color: Blue Side 2: Shape: Oval Other Popular Drug Imprint 54 722 ML 59 logo and A1 West-ward 769 448 AA 99 H5/325 L477 PAR 821 TN 1 ECI NEXIUM 40mg IP33 KEFLEX 750 E 138 CL14 ZA20 EXELON 4.5 mg C* 117 GG 823 832 200 L179 RP P15 IP 103 C 23 D99 EL600 M PD9 USL 8 972 V2 WW 110 74 ZE ASPIRIN -L- O-M 180 or O-M 215 or O-M 250 5011 V BMS 200mg logo and H8