April 28, 2011 No Comments Free Jamba Energy Drink at Jamba Juice Today Today, Thursday, April 28th at 2pm, Jamba Energy is giving away 100 free cans of Jamba Energy Drinks to the first 100 customers at participating Jamba Juice locations! Locations. Free Jamba Energy Drink at Jamba Juice Today – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.