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 ZA22 RP133 T 18 P64 A-008 10 WPI 3720 NL 276 GG 506 TN 2 5686 C171 DAN 100 48 10 L554 AB1 IP 101 J 050 M522 AN 441 038 A 41 DAYPRO 445 logo and 3092 barr 15 mg logo and S5 1000 M DIPENTUM 250mg HYPROST FL 1 K-TAB HP 46 M D5 MP 26 49 B 155 PH 32 logo 1000 KU 261 WRF 4 CP 150