A standard 250 ml (8.4 fl oz) can of Red Bull contains 80 mg of caffeine, which is roughly equivalent to the caffeine content in a typical cup of coffee

. Red Bull is also available in larger can sizes with proportionally higher caffeine content:

• 12 fl oz (355 ml) can contains about 114 mg of caffeine
• 16 fl oz (473 ml) can contains about 151-160 mg of caffeine
• 20 fl oz can contains about 198 mg of caffeine

This caffeine amount is considered moderate and generally safe for healthy adults when consumed within recommended limits.