I'm not sure what they put in this stuff, but it is amazing. We stumbled across this a few years ago at Ace Hardware in White House, and have looked for it ever since. The library usually stocks some CV coffee, but finally gave up looking for the blueberry and took advantage of the web store advertised at the library coffee shop. I forgot how amazing this coffee is, and will probably have to setup a subscription. Delivery was also blisteringly fast - we live local and had it dropped at our house next day.