While caffeine can provide an often necessary boost of energy, it’s important to remember that it is a stimulant, not a nutrient and too much caffeine is unhealthy. According to the 2015–2020 Dietary Guidelines for America, published by the U.S. Department of Health and Human Services, most of the caffeine consumed in the United States comes from coffee, tea, and soda. Because of our obsession with these drinks, the US has a very high rate of caffeine tolerance and addiction.
