What are the dangers of guarana?

Using guarana in very high amounts by mouth or injected can cause headache, anxiety, nervousness, agitation, pain when urinating, stomach cramps, irregular heartbeats, and it can be dangerous and even fatal.

Who should not take guarana?

Talk to your doctor before using guarana if you have high blood pressure, anxiety disorders, glaucoma, osteoporosis, heart problems, bleeding disorders, diabetes, kidney problems, or liver disease. At least one death has been reported in a young woman with mitral valve prolapse who consumed a guarana containing drink.

What are the side effects of guarana seed extract?

Side effects depend on the dose. At typical doses, the caffeine in guarana can cause insomnia, nervousness and restlessness, stomach irritation, nausea, vomiting, increased heart rate and blood pressure, rapid breathing, tremors, delirium, diuresis, and other side effects.

Is guarana good for kidneys?

Guarana (Paullinia cupana) presents a safe and effective anti-fatigue profile in patients with chronic kidney disease: A randomized, double-blind, three-arm, controlled clinical trial.

Is guarana like caffeine?

Guarana is a climbing plant native to the Amazon whose seeds contain approximately four times the amount of caffeine found in coffee beans. The mix of other natural chemicals contained in guarana seeds is thought to heighten the stimulant effects of guarana over caffeine alone.

Is guarana in Red Bull?

Bombastically named energy drinks such as Full Throttle, Monster, Red Bull and Rockstar all contain the herbal supplement guarana. The compound is also found in over-the-counter weight loss products, and it’s been marketed as an aphrodisiac.

Is guarana good for weight loss?

Interestingly, guarana may have properties that help promote weight loss. First, guarana is a rich source of caffeine, which may boost your metabolism by 3–11% over 12 hours. A faster metabolism means your body burns more calories at rest ( 22 ).

Is guarana worse than coffee?

In general, guarana has the same kind of effects as coffee on the body, and these are typically dose-dependent. According to NYU Langone Medical Center, a typical dose of guarana supplies somewhere in the neighborhood of 50 milligrams of caffeine. A cup of coffee contains approximately twice this amount.