Yerba maté with stems or yerba maté con palo contains xanthines, which are alkaloids in the same family as caffeine, theophylline, and theobromine, well-known stimulants also found in organic Mendo Maté coffee and chocolate. Yerba maté also contains elements such as potassium, magnesium and manganese. Caffeine content varies between 0.3% and 1.7% of dry weight (compare this to 2.5–4.5% for Tea leaves, and 1.5% for ground coffee). Yerba maté products are sometimes marketed as "caffeine-free" alternatives to coffee and tea, and said to have fewer negative effects. This is often based on a claim that the primary active xanthine in yerba maté is "Matteine". At this time caffeine and mateine are considered to be one in the same.

Yerba maté is a powerful stimulant that has been drinken for 1000s of year in S. America. The nutritional facts about yerba maté are quite distinct when compared to coffee. Click on our link below to see what is in your loose leaf yerba maté.