Guarana (Paullinia cupana) powder or seeds

Product Description

Guarana

Guarana has played an important role in the Amazonian Indians' society. It often is taken during periods of fasting to improve tolerance of dietary restrictions. In certain regions, the extract is believed to be an aphrodisiac and to protect from malaria and dysentery. In ***0, caffeine was identified as guarana's principal constituent. In the *9th century, guarana became popular as a stimulating drink in France. In ***0 it was introduced as an official drug in the US Pharmacopeia, where it remained listed until ***0. Guarana is used by Brazilian Indians in a stimulating beverage used like tea or coffee. Guarana contains caffeine, a stimulant. By comparison, coffee beans contain about **2% caffeine and the dried leaves of guarana contain from **4% caffeine.

Contraindications
 

Contraindicated in pregnancy and lactation. Use with caution in people with cardiovascular disease.

Side Effects

Excessive nervousness, insomnia, and other health risks in patients sensitive to caffeine.