I’ve been reading about adding coupons to your Kroger plus card from the internet from Softcoin.com. It seems you can use these coupons plus addition paper coupons for the same product.
They have 7 different stores, though Kroger seems to be the most popular and the only one in my area. You can print the list to remember what you have on your card and the expiration dates. There were only a few coupons, but some is better than none.