In particular, research shows that it may increase metabolism, improve exercise performance and boost alertness ( 9, 10, 11). Why Caffeine Intake Matters for SomeĬaffeine consumption can have several benefits for your health. SummaryĬoke and Diet Coke are generally lower in caffeine than other caffeinated beverages, including energy drinks, coffee and tea. Keep in mind, however, that the caffeine content varies for these drinks based on different factors, including brand, ingredients and specific type of beverage. Soft drinks account for a higher proportion of the intake in people younger than 18. SummaryĬaffeine is a natural stimulant found in many products including coffee, soft drinks, energy drinks and over-the-counter medications. While coffee accounts for the majority of caffeine intake across the board, carbonated soft drinks like Coke make up a high proportion of the intake in those younger than 18 ( 5). In fact, it’s estimated that 85% of the US population consumes at least one caffeinated beverage per day, with an average daily intake of 165 mg of caffeine. Nowadays, caffeine tops the charts as one of the most commonly consumed ingredients around the world ( 4). It’s also commonly added to many products, including soft drinks, energy drinks and certain over-the-counter medications. It can be found in the leaves, seeds and fruits of many plants and is especially prevalent in cocoa beans, tea leaves and coffee beans ( 3). Caffeine is a naturally-occurring chemical that acts as a central nervous system stimulant, enhancing alertness and fighting off fatigue.
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