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 AN 2 MYLAN 6060 445 L546 V logo 222 I85 I 17 West-ward 3141 1335 HP 10 OMEGA-RX MP 183 349 d p u50 144 MYLAN DE 10 EP 133 392 10 MIA logo and 199 ZF 14 V362 RX904 M 424 Nitroglycerin 0.2 mg/hr K9 U41 MPC 600 ADOXA YH 018 WATSON 800 SG 326 T32 ED 400 G 304 54 881 INDERAL LA 160 1G5