Chocolate Does Not Contain Caffeine

xocoatl.org — There is a persistent urban legend that Chocolate contains caffeine. It would seem that this rumor is based primarily on a confusion between two similar alkaloids: caffeine and Theobromine. Theobromine is the active ingredient in Chocolate and it occurs only in Cacao. The two stimulants are related and have a similar structures Sep 2, 2007 View in Crawl 4