Caffeine Demystified: How Much Is Too Much? Caffeine is the world’s favorite stimulant. Found in everything from coffee and tea to energy drinks and even chocolate, it’s a part of many people’s daily ritual. But despite its popularity, caffeine is also surrounded by misinformation. Is it bad for your health? How much is too much? And does the source of caffeine—coffee, soda, or energy drink—actually matter? Let’s break down the facts behind caffeine so you can sip smarter. What Is Caffeine, Really?Caffeine is a natural stimulant that works primarily by blocking adenosine receptors in your brain. Adenosine is the chemical that makes you feel tired, so by preventing it from…