Contraindications And Precautions

Caffeine is no longer a prohibited substance under the Olympic Games antidoping code.

Refer to the following website for further information —

Contraindicated in hypertension and cardiac arrhythmias. Use with caution in anxiety states, hypertension, diabetes, gastric ulcers and chronic headache.

Suspend use of concentrated extracts 1 week before major surgery.


\£/ The use of caffeine-containing preparations should be limited during pregnancy;

therefore, the caffeine content of guarana products should be checked before use.


• Guarana has mild CNS stimulant properties and may increase alertness, cognitive function and possibly mood.

• Current evidence is inconclusive as to whether guarana also enhances physical stamina.

• It has been used in combination with other herbs as a weight-loss aid with some degree of success. However, it is unknown what role guarana played in achieving these results.

• In some sensitive individuals, guarana may produce CNS stimulant-related side-effects, such as elevated heart rate and blood pressure, tremor, restlessness and excitability.

• Guarana also shows antimicrobial and chemoprotective activities in preliminary studies.


What will this herb do for me?

Guarana is a herbal stimulant that Increases alertness, cognitive function and possibly When will it start to work?

Effects are expected 1-2 hours after ingestion, although this will vary depending on the individual and the current level of wakefulness. Are there any safety issues?

Used in small amounts, it is likely to have a degree of stimulant activity and decrease fatigue; however, as with all stimulants, excessive use or long-term use can be detrimental to health. Guarana should be used with caution in people with hypertension, anxiety states, gastric ulcers, diabetes and some types of cardiovascular disease. It may also interact with a variety of medicines and therefore it is recommended to consult your healthcare professional if you are currently taking pharmaceutical medication.

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