Does Any Herbal Tea Have Caffeine?

Does Any Herbal Tea Have Caffeine? Does any herbal tea have caffeine? Do any herbal teas contain caffeine? Most herbal teas are caffeine-free, but there are a few plants besides the Camellia sinensis plant that provide caffeine once brewed. Yerba mate is the most well-known herbal tea with a caffeine content. Which herbal tea has