How much caffine contain in coffee concentrate?

Coffee concentrate typically contains around 10-20% coffee solids, including caffeine. The exact caffeine content of coffee concentrate can vary depending on the specific brand or type of coffee used.

- For example, an ounce (30mL) of Starbucks DoubleShot Espresso contains 205 mg of caffeine.

- A can (200mL) of Monster Energy Energy Drink contains 160mg of caffeine.

- A teaspoon of instant Espresso powder usually contains around 50mg of caffeine.