Tomorrow is $1 Robeks Day. From 3-6 you can get a 12oz smoothie for a buck.
Locations in the District-
2000 Pennsylvania Ave
4523 Wisconsin Av
1707 L Street NW
I recommend the Naturally Light smoothies so that you don’t end up consuming like 600 calories. Naturally Light come in four flavors (yum pineapple-mango) for around 150 calories in a 12oz.