A 23-oz can usually lands around 15–18 mg of caffeine, which is light next to coffee and most sodas.

Most AriZona teas land in the low-caffeine range, with many cans sitting in the teens of milligrams, depending on flavor and size.

Cacao contains small caffeine amounts: 1 tbsp powder is about 12 mg, while 1 oz dark chocolate often lands near 20–25 mg.

A 12-fl-oz can of Mountain Dew contains 54 mg of caffeine.

A standard 12-fl-oz can contains 46 mg of caffeine.

A 12-oz can of Coca-Cola contains 34 mg of caffeine in the U.S.

A 12-oz can usually lands under 1 mg of caffeine, since it’s made to be caffeine-free, yet trace amounts can still show up.

An 8-oz brewed coffee often lands around 80–100 mg of caffeine, while 8-oz black tea often sits around 30–50 mg.

A 20 fl oz bottle has 91 mg of caffeine, while a 16.9 fl oz bottle has 77 mg.

One BC® Original Powder contains 65 mg of caffeine, listed on the Drug Facts panel as a pain reliever aid.