Amazon - 25% off select Kellogg's products Cut the grocery bill by a few green backs by shopping at Amazon. Although they're probably not the first place you think of to grocery shop, that's about to change. For an unknown limited time, select Kellogg's food products are 25% off. Shop through the link in this deal to see the discount. Sale's ending is unknown, grab favorite foods right away.Visit The Bargainist for more.