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 NL2S b 972 T503 N192 MYLAN 8020 1382 93 3109 E 1217 156 NT 50 e5 110 logo and 2779 EZEM CL PAL 1.5 133 1507 4211 V logo and 4804 F L 50 MYSO LINE A 39 HP 149 497 logo and S10 1000 M PH 043 UT 5 RX3341 ZF 23 AMOXIL 875 WAR 2 T81 54 327 LOTENSIN HCT GG 824 171 WELLBUTRIN XL 150 MYLAN 6202 MDV C43