How much Caffeine is there in Coffee,Tea, Colas & Sodas etc.?

Caffeine is the only drug that is present naturally or added to widely consumed foods. Caffeine is a bitter, white crystalline xanthine alkaloid that acts as a stimulant drug. By means of comparison, a 7 oz cup of coffee has the following caffeine (mg) amounts, according to Bunker and McWilliams in J. Am. Diet. 74:28-32, … Read more