This article is from the Coffee and Caffeine FAQ, by Alex Lopez-Ortiz with numerous contributions by others.
Sources: Physicians Desk Reference and Institute of Food Technologies
from Pafai and Jankiewicz (1991) DRUGS AND HUMAN BEHAVIOUR
cocoa 250mg theobromine bittersweet choc. bar 130mg theobromine 5 oz cup brewed coffee no theobromine tea 5oz cup brewed 3min with teabag 3-4 mg theophylline Diet Coke no theobromine or theophylline
 
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