If you are trying to speed up your weight loss then you may want to try adding an egg to your morning coffee as according to a recent study doing so helps. A team of researchers found that many gym-goers use caffeine for a pre-workout boost but adding a raw egg to that cup of tea or coffee may help you more. Here are few reasons why coffee is the healthy brew. However the practice of mixing raw egg and hot black coffee has been common among the Hungarian Scandinavian Vietnamese and even Minnesotan cultures for centuries the Dailystar reported.