Most CELSIUS cans contain 200 mg of caffeine, while CELSIUS Essentials has 270 mg per can.

In UK/IE stores, a Grande chai tea latte has 52.4 mg caffeine, with Tall at 39.3 mg and Venti at 65.5 mg.

A 20-oz bottle of Coca-Cola Original Taste has 57 mg of caffeine, while a 12-oz serving has 34 mg.

Most C4 Original servings list 150 mg caffeine; other C4 formulas range from 135–300 mg per serving.

Cacao nibs usually land in the low-caffeine range, with many servings coming in around 5–15 mg of caffeine per tablespoon, plus more theobromine.

An 8-oz mug of brewed coffee usually lands around 80–120 mg of caffeine, with bean type, grind, and brew time shifting the final number.

An 8-oz cup usually lands near 40–70 mg in black tea and 20–45 mg in green tea, with leaf style and steep time steering the final number.

A 12-oz glass of unsweetened black iced tea often has 20–50 mg of caffeine, varying with leaf amount and steep time.

A 12-fl-oz (355 mL) can of Pepsi sold in the U.S. lists 38 mg of caffeine.

A standard 12-oz can of Coca-Cola has 34 mg of caffeine, while larger servings scale up with the fluid ounces.