Guarana extract is prepared from the climbing vine, guarana (scientific name Paullinia cupana).
Sapindaceae, native to the Amazon basin and especially common in Brazil. 
It is mainly cultivated in Yunnan, Hainan provinces in China. The fruits of the guarana plant contain twice to thrice the amount of present in coffee beans (approximately 4 percent), xanthine and tannins.
Guarana is reputed to be a stimulant and increase mental alertness, fight fatigue, and increase stamina and physical endurance.In North America, guarana has recently become a popular ingredient in energy drinks and teas.Guarana is one of the richest sources of , containing up to three times the amount of as coffee. Unlike coffee, the amount of  doesn't have to be listed on guarana drinks.In addition to its stimulant properties, guarana is also a popular ingredient in herbal weight loss pills. Some evidence indicates that guarana may suppress appetite and increase fat-burning.

 

(1) Cognition:
Guarana extract Powder has shown prompt results in terms of positive effects in cognition.The high content promotes mental alertness and reduces fatigue. The proponents of guarana seed extract are of the opinion that active ingredient  is released slowly, thus providing stimulative effects for a longer period.

(2) Digestion:
Guarana extract Powder is used for combating digestive problems, particularly irregular bowel movement. The tannin present in this extract help in proper digestion of food and treatment of
 diarrhea. However, do not use guarana extract frequently for reducing digestive problems, as it may become habitual in the long run.

(3) Slimming Figure:
Guarana extract Powder reduces appetite and cravings for food, while stimulating the body metabolic processes. Hence, it helps in burning the accumulated fats and lipids, as an energy
source for the body cells and tissues.

(4) Pain Relief:
Traditionally, guarana seed extract has been used as a treatment for migraine headache,rheumatism and menstrual pain.

1.Weight Control and Heart Health

Guarana is an effective stimulant, with 2.5 times more caffeine than coffee. According to the Herbal Resource website, guarana is a primary ingredient in energy drinks. Many fitness enthusiasts use guarana for its metabolism-boosting effects. It also boosts energy and performance. Many herbal supplements contain guarana to suppress appetite. Guarana is also used to promote cardiovascular health by strengthening and balancing the heart. It also cleanses the blood and prevents clotting.

2.Stress and Pain Relief

The stimulating effect of guarana promotes mental clarity and focus, as well as relieve tension caused by stress. According to the Herbal Remedies website, guarana also relieves minor pains and aches, calms the nerves and reduces nerve pain.

3.Other Uses of Guarana Extract

Native Brazilian tribes used guarana to treat high blood pressure, diarrhea, migraines and fever. Guarana was also used to treat minor digestive problems and arteriosclerosis and fight premature aging. Guarana is also known to prevent heat stroke by lowering body temperature and promoting normal bodily exchange of electrolytes.