Coffee and tea aren't the only caffeine culprits out there.
By Reina Berger
Ever notice your heart racing and your hands shaking even when you haven't consumed any coffee or tea? Caffeine is sneaking up in all sorts of surprising places these days. If you want to avoid an unwanted buzz, check out our list of the top five surprising foods that have caffeine in them. Too much caffeine can cause anxiety, increased thirst, insomnia, fevers, headaches, irregular heartbeats, and difficulty breathing. Keep this list handy to steer clear of any health problems and ensure your caffeine consumption stays under control.
More: The 7-Day Caffeine Detox
Protein bars are usually synonymous with on-the-go snacking but this healthy treat can also pack a caffeine wallop. Depending on the brand and the flavor, you may be adding a good dose of caffeine to your daily diet without even realizing it. If you see the word ‘energy’ on your protein bar packaging, that’s a good sign that it will give you quite a jolt. Depending on the brand, you may find as much as 50 milligrams of caffeine per bar.