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  • Basic Info
Licensed from
Generic: guarana
an herbal product - treats Cognitive enhancement, Mood enhancement, and Weight loss

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WARNING: DISCLAIMER: The below uses are based on tradition, scientific theories, or limited research. They often have not been thoroughly tested in humans, and safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider. There may be other proposed uses that are not listed below.
Aphrodisiac, appetite suppressant, asthma, astringent, chronic diarrhea, cocaine withdrawal, dermatitis, diuretic, dysentery, enhanced athletic performance, fatigue, fever, flavoring agent, headache, heart conditions, lower back pain, malaria, migraine, platelet aggregation inhibition, rheumatism, skin conditions, stimulant, stress (heat), tonic (nerve).Studies have been performed with caffeine, a prominent constituent of guarana, for allergic rhinitis, apnea (pause in breathing) of prematurity, asthma, atopic dermatitis, bronchiectasis (a chronic lung disease), cancer, cardiac disorders, electroconvulsive therapy (a procedure in which an electric current is briefly applied to produce a seizure), exercise, exercise- induced bronchoconstriction, extubation (removal of the breathing tube), fecundability (monthly chance of pregnancy), fertility, fibromyalgia (chronic musculoskeletal disorder), headache, hyperactivity, hyperkinetic pediatrics, hypoglycemia (low blood sugar), kwashiorkor (severe malnutrition), migraines, minimal brain dysfunction, necrotizing enterocolitis (inflammatory disease effecting the intestinal tract), neuroleptic- induced catalepsy (rigidity of the extremities and by decreased sensitivity to pain), pain, Parkinson's Disease, postprandial hypotension (low blood pressure), post- surgery pain, seizure, sore throat, stroke, transcutaneous electrical nerve stimulation (TENS).


Adults (over 18 years old)

There is no proven effective dose for guarana. Teas, capsules and energy drinks are all commercially available. For cognitive enhancement, a single dose of 150 milligrams guarana dry extract, standardized to 11- 13% alkaloid concentration has been used. One gram of guarana up to four times a day has been taken to relieve diarrhea or dysentery. As a diuretic, 486 milligrams of guarana daily has been used. One to two tablets or capsules (200- 800 milligrams guarana extract) before breakfast or lunch, not to exceed 3 grams daily, has reportedly been used for energy enhancement.

Children (under 18 years old)

There is no proven safe or effective dose for guarana in children.

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