RARE: BOGO Zantac Coupon *PRINT NOW* This post may contain affiliate links. Please see the full disclosure policy here. Posted on January 18, 2016 Written by Mary Leave a Comment RARE New BOGO Zantac Coupon! Grab this new BUY ONE GET ONE FREE Zantac coupon to save BIG! Print this one now. You should be able to grab a great deal with a $9 limit!!