Jamba Juice has coupons on their smoothies and yogurt drinks, good through Jan. 19, 2012.  These coupons are on the Jamba Juice website:

• $1 for a 12-oz Probiotic Fruit & Yogurt Blends
• $2 for a 16-oz Fit ‘n Fruitful Smoothie
• $2 for a 16-oz Coldbuster Smoothie.

You can get your Jamba Juice coupons from this Jamba Juice website: http://www.jambajuice.com/fruitfulcoupons

About Jamba Juice (from Wikipedia)

Jamba Juice is a restaurant retailer headquartered in Emeryville, California,with over 750 locations operating in 26 states, the Bahamas, Canada, the Philippines, and South Korea. There are approximately 310 company-owned locations and 442 franchise-operated stores, in addition to the over 10 international locations. For the Fiscal Year ending on December 28, 2010 sales were $263 million, which included sales of $255 million from company stores.