Pill Identification by Imprints: GP400 Home Pill Identification by Imprints: GP400 5 results MAGNESIUM OXIDE 400 MG TABLET Side 1: GP400 Color: White Side 2: Shape: Round MAGNESIUM OXIDE 400 MG TABLET Side 1: GP400 Color: White Side 2: Shape: Round MAGNESIUM OXIDE 400 MG TABLET Side 1: GP400 Color: White Side 2: Shape: Round MAGNESIUM-OXIDE 400 MG TABLET Side 1: GP400 Color: White Side 2: Shape: Round MAGNESIUM-OXIDE 400 MG TABLET Side 1: GP400 Color: White Side 2: Shape: Round Other Popular Drug Imprint WAR 2 1/2 ucb 500 Concept DHA PA 917 GE 320 WAR 7 1/2 44 531 logo and 30 G 325 AC40 341 BAC 10 NL 620 P 40 PD 525 166 LAMICTAL 150 4209 West- ward ICN CL 5 JKI 11 90 T 359 K 57 logo and 667 logo 222 ACTIGALL M 70 SMV U 786 COUMADIN 3 AP211 logo 067 barr 100 mg SP n 356 0111 V 832 100 SANKYO C01