Check the current Grant's Supermarket Ad and don’t miss the best deals from this week's Ad! Browsing the weekly flyers of Grant's Supermarket has never been easier. Now, you can find all weekly sales and ads in one place! Don't miss the offer! On this page, you can see Grant's Supermarket Weekly Ad online. Here it is page 1. Catalogue valid from 09/13 until 09/19/2023.