Drinking large amounts of yerba mate (1-2 liters daily) for a long time increases the risk of some types of cancer. This risk is especially high for people who smoke or drink alcohol. This caffeinated beverage contains caffeine. Consuming it can cause side effects such as insomnia, upset stomach, increased heart rate. It is possibly unsafe when taken in large amounts or for long periods of time.
Caffeine content
It contains about 80 milligrams of caffeine per cup, comparable to coffee. Drinking it may provide an energy boost without causing nervousness sometimes associated with coffee. However, research hasn’t confirmed this benefit yet.
Cancer risk
Some studies suggest that drinking about 4 to 8 cups of it daily may increase the risk of some cancers over the long term, especially mouth, throat and lung cancer. This risk may increase more for people who also smoke or regularly drink alcohol.
Preparation
To prepare traditionally, use a gourd and metal straw that strains the leaves. The ideal temperature is 170°F. Boiling water makes it bitter. You can also brew it like loose tea and filter out leaves. Through its rich history to modern convenience, sipping this South American beverage can be a relaxing, stimulating, and healthy ritual.
History and culture
Originally from South America, it has a long history among indigenous peoples. Today it remains culturally important, especially in Argentina and Uruguay. Compared to coffee, it has less caffeine but more theobromine and polyphenols. It tastes somewhat like green tea with tobacco and oak hints.
Safety and side effects
Although generally safe, excessive consumption can cause irritability, insomnia or stomach upset. It’s not recommended when pregnant, breastfeeding or if you have anxiety issues. If you smoke or drink heavily, it may increase cancer risk.