Whether we’re pouring it into our cereal bowl, adding it to our coffee, or drinking it straight from the glass, we all have preferences in the type of milk we drink. Perusing the dairy aisle at the local supermarket shows just how many choices we have when it comes to old-fashioned cow’s milk (not to mention lactose-free and non-dairy options like soy, almond, rice, and coconut milks), but most of us don’t spend more than a few seconds deciding which carton to grab.