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  1. Caffeine 
    https://medlineplus.gov/caffeine.html
    ... naturally in more than 60 plants including: Coffee beans Tea leaves Kola nuts, which are used to flavor soft drink colas Cacao pods, which are used to make chocolate products There ...
  2. xmlmplus_topics_2025-04-18.xml 
    https://medlineplus.gov/xml/mplus_topics_2025-04-18.xml
    ... than 60 plants including:</p><ul> <li>Coffee beans</li> <li>Tea leaves</li> <li>Kola nuts, which are used to flavor soft drink colas</li> <li>Cacao pods, which are used to make chocolate products</li> </ ...