A 12-ounce can of regular Mountain Dew contains 54 mg of caffeine, the same amount found in Diet Mountain Dew.

A 12-ounce can of regular Mountain Dew contains about 54 mg of caffeine, similar to Diet Mountain Dew and less than an 8-ounce cup of brewed coffee.

A standard 1/2 teaspoon serving of MiO Energy contains 60 mg of caffeine, roughly the same as a small cup of coffee.

MiO Energy contains 60 mg of caffeine per standard ½-teaspoon serving, while MiO Original, MiO Vitamins, and MiO Electrolytes are caffeine-free.

A 7.5 fl oz mini can of Diet Coke contains approximately 29 mg of caffeine, based on the standard 46 mg per 12 fl oz serving.

A 7.5 fl oz mini can of original Coca-Cola contains 21 mg.

Milk chocolate contains a small amount of caffeine, typically around 9 milligrams per 1.55-ounce serving — far less than dark chocolate or coffee.

Two caplets of Midol Complete deliver 120 mg of caffeine, roughly equivalent to a standard cup of coffee.

An 8-ounce cup of medium roast drip coffee typically contains about 95 milligrams of caffeine.

A medium latte (14-16 oz) typically contains 150 to 170 mg of caffeine, depending on the coffee shop and how many espresso shots your barista uses.