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 TOP IMA 100 Forfivo GG 738 HP 71 54 515 233 L 3 W961 JMI D16 par 701 logo and 0303 logo and 500-20 Surfak logo and 069 PD 270 Theo-24 200 mg E 140 A 215 200 E71 210 44 533 L235 Midol GG 336 31 62 N L LC 77 logo 2666 L212 AN 617 MP 446 83 L254 PC 22 M365 SANDOZ 619 M E18 4209