Guarana, which contains more caffeine than coffee beans, has a long history as a stimulant. It may have some benefits. However, at least in products widely used today, those benefits are likely ...

Guarana and coffee contain different plant chemicals but share caffeine in common. Caffeine is a stimulant, and having too much of it can cause side effects such as anxiety and palpitations.

Many energy drinks contain guarana to increase their total caffeine content. Caffeine is well-known for stimulating your central nervous system, waking you up, and helping you focus.

Guarana seeds are prepared for consumption in a similar method to coffee, but they have twice the caffeine content of coffee beans, so you should remember that the daily recommended dose of ...

For context, a coffee bean contains about 2% caffeine by weight, but a guarana bean contains more like 4-6%. That’s at least double the amount of caffeine as coffee . No wonder hunters were into it.

It’s naturally found in tea leaves, cocoa beans, coffee beans, guarana, and kola nuts. In addition, people add it to a variety of foods and drinks, including ice cream and energy bars (1, 2, 3).

Guarana is often used as an ingredient in energy drinks, but it does more than energize. Here are 12 science-based benefits of guarana.

Bryan Quoc Le, a food scientist and author of 150 Food Science Questions Answered, says that yaupon tea contains 0.1 to 2 percent caffeine, less than coffee’s 1 to 3 percent.

Most coffee contains caffeine, but products with added yerba mate or guarana will contain even more than usual. Some people make their own version of enzyme coffee at home using lemon juice. Does ...