Jamba Juice offers a Jamba Juice 16-oz. Fruit & Veggie Smoothie for $2 via this printable coupon. That's among the best coupons we've seen for Jamba Juice in recent months, although last month we saw a coupon for $1 smoothies. Note that this offer isn't valid in Hawaii, or at Safeway, Vons, or Pavilions Jamba Juice locations. Deal ends March 24.