Guarana, or its alive basic caffeine, should not be taken if formulated with ephedrine in nutrition aids or performance-enhancing supplements. Potentially baleful aberrant heartbeats accept been appear to occur.
Guarana has not been evaluated by the FDA for safety, effectiveness, or purity. All abeyant risks and/or advantages of guarana may not be known. Additionally, there are no adapted accomplishment standards in abode for these compounds. There accept been instances area herbal/health supplements accept been awash which were attenuated with baneful metals or added drugs. Herbal/health supplements should be purchased from a reliable antecedent to abbreviate the accident of contamination.
What is the most important information I should know about guarana?