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 CP 401 AN 627 R471 AX SLOW- MAG DAN 5555 WELLBUTRIN 75 NP 2 229 NT 200 S 741 ATN 50 BP 631 I-Caps IPX066 TV 1003 MYLAN 257 GS F1Y 325 ZC 01 P d GG 141 LBH 20 mg MYLAN FE 67 MYLAN 199 72 NOVO 291 NeevoDHA I 7 IP 116 G 021 R 50 268 mynatal ROCHE ANI logo and 752 LCI 1355 ibr 140mg E 205 TCR