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What you put into your coffee seems to be the main concern of coffee-snobs everywhere. Self-proclaimed connoisseurs may turn their noses up at your sugar and cream but Sinnott says to trust your own taste buds. In fact, he says Americans in general tend to prefer café lattes and cappuccinos. Most common coffee mix-in's aren't caffeinated but every 100 grams of chocolate actually contains 20 milligrams of caffeine.