Data comes from the Berkeley Wellness Letter, the Mayo Clinic Website, and the Stash Tea Catalog.
Except for the espresso, chocolate, and NoDoz, all values are typical for 12-ounce drink servings.
- Herbal Tea: 0 mg
- Decaffeinated Tea: 1-8 mg
- Hot Cocoa: 8 mg
- Decaffeinated Coffee: 4-10 mg
- Milk Chocolate (4 oz.): 4-40 mg
- Dark Chocolate (4 oz.): 20-140 mg
- Soda: 22-55 mg
- White or Green Tea: 30-60 mg
- Oolong Tea: 50-100 mg
- Black Tea: 80-140 mg
- Energy Drinks: 75-160 mg
- Instant Coffee: 90-200 mg
- Espresso (4 oz.): 180-220 mg
- Drip Coffee: 160-300 mg
- NoDoz (2 pills): 200 mg