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You are here: Home / HPRC Blog / What are hidden sources of caffeine?

What are hidden sources of caffeine?

published: 04-26-2011 Journal entry icon

We know about colas, coffee, tea, and chocolate, but caffeine can also be found in some over-the-counter drugs and herbal dietary supplement products. Energy drinks contain caffeine, and some also contain guarana, a plant with high amounts of caffeine. Yerba mate, green tea extract, and kola nuts are also sources of caffeine, and can be found in weight-loss and performance-enhancing dietary supplements. Be sure to read labels for hidden sources of caffeine.