As we have traveled from coffee shop to shop, sometimes people make reference on how much caffeine is being consumed by what you are drinking, not by how much you are drinking.  For example, it is assumed an espresso is highly caffeinated. We wanted to do some research and see how much caffeine was truly in espresso vs. drip coffee vs. cold brew coffee.

Exploring recent studies related to caffeine concentrations in cold brew coffee vs hot brewed coffee.  Is it true that cold brew coffee has 2-3xs more caffeine?  Let's find out!