smoothie kingOn Sept. 18, Smoothie King is giving a "wake-up call" to potential customers by offering a free taste of their new coffee-based products. The 20 oz. drinks come in caramel, mocha and vanilla flavors, and it's one per customer.

In case this is something you're inclined to forget -- because, presumably, you don't have enough caffeine in your system right now, the Smoothie King Web site has a few ways to remind yourself. You can set up a reminder on your calender or RSVP on Facebook.

If you're concerned about calories, there's also nutritional info on the new concoctions. Mocha is the skinniest, at 260 calories, with the others weighing in around 340.

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