How long does caffeine stay in the body after ingestion?

For example, how long do the caffeine effects of a cup of coffee last? A can of soda? Is it true that people "crash" after a "high" from caffeine?

2007-03-17 13:53:57 · 1 answers · asked by tje 2 in Health ➔ Diet & Fitness

Caffiene only stays in your system for 15 minutes after consumption.

2007-03-17 13:58:40 · answer #1 · answered by karyn 2 · 0⤊ 1⤋

fedest.com, questions and answers