A 16 oz bottle of Pepsi contains about 50 mg of caffeine, according to official PepsiCo product facts.

A single espresso bean typically contains 6 to 13 milligrams of caffeine, though the exact number varies by bean variety, roast level.

A single 1-ounce espresso shot contains about 63 mg of caffeine, while an 8-ounce brewed coffee contains roughly 95 mg.

A 16 oz latte typically contains 126 to 175 mg of caffeine, depending on the number of espresso shots and the coffee shop.

An 8-ounce cup of hot chocolate typically contains 5 to 20 mg of caffeine, far less than coffee.

For most healthy adults, up to 400 mg of caffeine per day is considered safe as of 2025, equivalent to about four cups of brewed coffee..

An 8-ounce cup of regular coffee contains 70–140 mg of caffeine, while an 8-ounce cup of decaf coffee contains up to 7 mg.

A 16 oz Diet Coke contains about 61 mg of caffeine, based on Coca‑Cola’s official content of 46 mg per 12.

A Grande (16 fl oz) Chai Tea Latte from Starbucks contains approximately 95 mg of caffeine, less than a typical 8-ounce cup of brewed coffee.

A 1-ounce (30-gram) serving of 70-85% dark chocolate typically contains about 23 mg of caffeine.