Jamba Juice is serving up some pretty sweet offers on National Smoothie Day.
National Smoothie Day also happens to kick off the first day of Summer, which is June 21.
Jamba Juice plans on giving away $1,500 in gift cards. The first fans to comment on any of the brands 100 Twitter or Instagram posts published that day will win a Jamba Juice gift card.
All comments on those posts will be entered for a chance to win a summer supply of smoothies.
In addition to winning Jamba Juice gift cards, guests who visit a participating Jamba location between June 21 – 28 can upsize any medium smoothie order to a large at no additional charge.
For more information about Jamba Juice, to find a participating location, or for official rules, click here.
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