Pill Identification by Imprints: APO 500 Home Pill Identification by Imprints: APO 500 3 results METFORMIN HCL 500 MG TABLET Side 1: APO 500 Color: White Side 2: MET Shape: Oblong METFORMIN HCL 500 MG TABLET Side 1: APO 500 Color: White Side 2: MET Shape: Oblong METFORMIN HCL 500 MG TABLET Side 1: APO 500 Color: White Side 2: MET Shape: Oblong Other Popular Drug Imprint K 400 FLI 7 mg 35 79 logo and Cephalon OS 214 MSD 711 L922 E71 M 445 GG 506 AF M 48 MP 160 M605 S433 200 M164 LMT WATSON 583 ZA07 B 181 EP 139 GG 227 KU 260 93 293 10 or 20 E21 5 2 MEDROL 4 N 08 W 40 SS-1 A-009 15 ZE 49 V20 L 64 M GP2 MYLAN 327 172 PAL 9