Go here and sign-in to your account to load an eCoupon to your Kroger card valid for a FREE Premier Protein Bar or Fiber Bar 2.5 oz. or 1.83 oz.. Keep in mind that this offer is valid to load today only, but the eCoupon doesn’t expire until 8/9/2015. Note that there is a limit of one coupon per item and digital coupons and paper coupons may not be combined on the purchase of a single item.