Seeds of this climbing plant which is native from the Amazon area and has spread throughout South America are used.It contains alkaloids, xanthines (caffeine 1 to 7%, theobromine 0.01 to 0.2%, and 0.01 to 0.3% theophylline) and tannins. Unproven properties are: nervous stimulant, diuretic, bronchodilator.Indications according to Commission E of the German Health Ministry: noneIndications approved by the European Medicines Agency (EMA) are: states of fatigue and weakness Components appear as a part of many drinking brands, teas, capsules and tablets with energizing and slimming purposes.There are reports on many cases of seizures and cardiac arrhythmias poisoning associated to their consumption. At latest update no published data were found on excretion into breast milk, however, it is well known that xanthines are excreted in the breast milk, so consumption should not exceed an amount equivalent to 300 mg of caffeine a day during lactation. See also info on Coffee and Caffeine when used as medication.