Pill Identification by Imprints: WPI 500 Home Pill Identification by Imprints: WPI 500 2 results METFORMIN HCL ER 500 MG TABLET Side 1: WPI 500 Color: Blue Side 2: Shape: Round METFORMIN HCL ER 500 MG TABLET Side 1: WPI 500 Color: Blue Side 2: Shape: Round Other Popular Drug Imprint Climara 0.0375mg/day AN34 1442 NT or EP E 103 G222 1.4 5/500 ANI MP 973 TL508 Posture D D LCE 50 RX 504 STARLIX par 121 M 13 P 400 L321 barr 15 mg ML55 GG 256 Lilly 3227 BUMEX 1 logo and 57 GP325 N022 ML 59 456 AA 13 44-470 256 GG 771 M 63 WATSON 796 logo and 160 P 984 IP 110 WATSON 2404