$0.50/1 – Luna Bar or Protein Bar – (mambosprouts.coupons.com) 

The $0.50 Luna Bar coupon has reset on Mambo Sprouts!  Kroger has Luna Bars for $1.39.  If your store doubles, you can pick one up for only $0.39!  Here is how:

Luna Bar $1.39, Regular Price
Use $0.50/1 – Luna Bar or Protein Bar – (mambosprouts.coupons.com) 
Final Price: $0.89 or $0.39 after double

Thanks, Frugal Fritzie