Daily How Much

A 12-fl-oz can of Diet Pepsi contains 35 mg of caffeine.

A 20-oz bottle of Diet Coke has about 77 mg of caffeine when you scale from the brand’s 12-oz figure; the exact amount can vary by label.

A typical 8-oz cup of masala chai made with black tea lands near 40–70 mg of caffeine, with blends and brewing shifting that range.

A tablespoon of semi-sweet chips has 5–10 mg caffeine; milk chips sit nearer 2–4 mg, while dark chips run higher.

A plain cup of chamomile tea brewed from chamomile flowers has 0 mg caffeine in most nutrition databases, with only trace risk if it’s blended or

A Starbucks chai latte usually lands in the mid range for caffeine, with most standard sizes sitting between about 25 and 70 mg.

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.