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.

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.

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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.

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

Guarana also has more caffeine than coffee. A 2023 article notes that the concentration of caffeine in P. cupana seeds is 2–8%, whereas the amount found in coffee beans is about 1–3%. 2.