Ranitidine as hci 75 mgrelieves heartburn amp acid indigestionfast actingall day or all night relieffor indigestion and heartburnone zantac 75 relief tablet quickly gets to work and goes on working for up to 12 hoursgsk glaxosmithklinezantac and zantac 75 relief are registered trade marks of the glaxosmithkline group of companies