From 9 am to 11 am local time, participating Jamba Juice locations offer a Jamba Juice 16-oz. Smoothie
. That's $1 under our May mention and the least expensive smoothie we've seen from Jamba Juice since January, when it offered a 12-oz. smoothie for the same price. This offer is valid only in California, Idaho, New Jersey, and New York. Deal ends August 10.