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 PD 156 2368 E 648 110 PARNATE SB RX615 J64 par 029 926 LAN 1301 E1 or P IG271 667 7663 E 799 C181 I 1 7 ALDACTONE 100 14/10 44 382 C223 TL020 S429 250 mg 36 EP 121 L3 MYLAN 512 EA Andrx 710 logo 150 AA 15 93 5293 331 TO Y Y SZ 787 T 10 392 NT 300 F 76