Kroger and Affiliates Freebie Friday: One FREE PowerBar! Posted by Harbor Master on 18 August 2017, 10:01 am Tweet Expired This coupon is available to add to your card today (08/18) only. It will not Expire from your card until 09-03-17 Click Here to Add a Coupon to your Kroger Card for One FREE PowerBar Single Bar, any variety (1.41 – 2.29 oz.)