What is the cleanest form of caffeine?

Online Answer
5 Calorie-Free Caffeine Tips
  • Freshly Brewed Tea Is Tops. If you haven't tried tea lately, give it a second look. There are so many flavorful types available now, even at the grocery store. ...
  • Make Mine Iced. Iced tea is a great summer sipper, as long as it isn't sweetened. ...
  • Pump up the Protein and Calcium.
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