| Coffees | Serving size, oz (mL) | Caffeine, mg |
| Coffee, brewed | 8 (235) | 133 (range: 102 to 200) |
| Coffee, generic instant | 8 (235) | 93 (range: 27 to 173) |
| Coffee, generic decaffeinated | 8 (235) | 5 (range: 3 to 12) |
| Espresso | 1 (30) | 40 (range: 30 to 90) |
| Espresso decaffeinated | 1 (30) | 4 |
| Teas | Serving size, oz (mL) | Caffeine, mg |
| Tea, brewed | 8 (235) | 53 (range: 40 to 120) |
| Arizona Iced Tea, black | 16 (470) | 32 |
| Arizona Iced Tea, green | 16 (470) | 15 |
| Nestea | 12 (355) | 26 |
| Snapple, Just Plain Unsweetened | 16 (470) | 18 |
| Snapple, Kiwi Teawi | 16 (470) | 10 |
| Snapple, Lemon, Peach, or Raspberry | 16 (470) | 42 |
| Starbucks Tazo Chai Tea Latte (Grande) | 16 (470) | 100 |
| Soft drinks | Serving size, oz (mL) | Caffeine, mg |
| FDA official limit for cola and pepper soft drinks | 12 (355) | 71 |
| 7-Up, regular or diet | 12 (355) | 0 |
| Barq's Diet Root Beer | 12 (355) | 0 |
| Barq's Root Beer | 12 (355) | 22 |
| Coke, regular or diet | 12 (355) | 35 to 47 |
| Dr. Pepper, regular or diet | 12 (355) | 42 to 44 |
| Fanta, all flavors | 12 (355) | 0 |
| Fresca, all flavors | 12 (355) | 0 |
| Jolt Cola | 12 (355) | 72 |
| Mellow Yellow | 12 (355) | 53 |
| Mountain Dew, regular or diet | 12 (355) | 54 (20 oz = 90) |
| Mountain Dew MDX, regular or diet | 12 (355) | 71 (20 oz = 118) |
| Mug Root Beer, regular or diet | 12 (355) | 0 |
| Pepsi, regular or diet | 12 (355) | 36 to 38 |
| Sierra Mist, regular or free | 12 (355) | 0 |
| Sprite, regular or diet | 12 (355) | 0 |
| TAB | 12 (355) | 46.5 |
| Energy drinks | Serving size, oz (mL) | Caffeine, mg |
| 5-hour ENERGY | 2 (60) | 215* |
| Amp | 8.4 (250) | 74 |
| Cocaine | 8.4 (250) | 288 |
| Enviga | 12 (355) | 100 |
| Full Throttle | 16 (470) | 144 |
| Glaceau Vitamin Water Energy Citrus | 20 (590) | 50 |
| Monster Energy | 16 (470) | 160 |
| Red Bull | 8.3 (245) | 80 |
| Red Bull Sugarfree | 8.3 (245) | 80 |
| Rip It, all varieties | 8 (235) | 100 |
| Rockstar Energy Drink | 8 (235) | 80 |
| SoBe Adrenaline Rush | 8.3 (245) | 79 |
| SoBe Essential Energy, Berry or Orange | 8 (235) | 48 |
| SoBe No Fear | 8 (235) | 83 |
| Spike Shooter | 8.4 (250) | 300 |
| Tab Energy | 10.5 (310) | 95 |
| Frozen desserts | Serving size, oz (mL) | Caffeine, mg |
| Ben & Jerry's Coffee Ice Cream | 8 (235) | 68 to 84 |
| Häagen-Dazs Coffee Ice Cream or Yogurt | 8 (235) | 58 |
| Starbucks Coffee Ice Cream | 8 (235) | 50 to 60 |
| Chocolates/candies/other | Serving size, various units | Caffeine, mg |
| Hershey's Chocolate Bar | 1.55 oz (45 g) | 9 |
| Hershey's Kisses | 41 g (9 pieces) | 9 |
| Hershey's Special Dark Chocolate Bar | 1.45 oz (41 g) | 31 |
| Hot cocoa | 8 oz (235 mL) | 3 to 13 |
| Powdered caffeine | 1/16 tsp | 200 |
