Harvard Health Letter

Caffeine hides in surprising foods and beverages

Caffeine is showing up in non-natural places such as snacks, energy bars, meal replacements, and other processed foods. It’s listed on food labels only when it is added to a food. If it occurs naturally in an ingredient, caffeine will not be listed. That means any food or drink made with coffee, cola, or chocolate will have caffeine. Caffeine can be spotted in products marked by marketing terms on packages such as “energy,” “wired,” or “buzz,” and by labels that list caffeine or caffeine-containing ingredients.
To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »