Americans love their coffee. According to a survey cited by Statista, 29% of US coffee drinkers consume two cups of coffee daily, 13% drink three cups, 14% drink four to five cups, and 9% drink more than six. All that coffee consumption equates to high energy levels—but beware, coffee lovers: Caffeine can impair absorption and facilitate excretion of certain vitamins and minerals. Click here to learn more about the five vitamins that interact with caffeine.