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 Benefits of Ginkgo Biloba


Below are details and comments on some research studies done to support the benefits of ginkgo biloba in treating various health conditions. For a summary, see our full review on Ginkgo.

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Detailed Evidence of Benefits

See Ginkgo biloba for quick summary of the table below.
 
leaf rating system natural remedies plant benefit side effects
(What' this?)
Improve Memory and Cognitive Function

Many research studies show that this herb improves memory function in healthy older people who show some level of memory problems.

Other studies show that ginkgo improves memory of people who are healthy.

One study done by Elsabagh (2005) showed that, "the acute dose of ginkgo significantly improved performance on the sustained-attention task and pattern-recognition memory task...". But after 6 weeks of treatment, "there were no significant effects of ginkgo on mood or any of the cognitive tests." the researcher suggested that you can become tolerant to its benefits.

Not all results are positive. One randomized, double-blind, placebo-controlled study done by P.R. Solomon et al. (2003) show that ginkgo was not effective when taken for 6 weeks in healthy adults over the age of 60.
 
leaf rating system natural remedies plant benefit side effects Dementia / Alzheimer's Disease (AD)

In Germany, this herb is often prescribed as a treatment for dementia.

A randomized double-blinded placebo-controlled study conducted by researchers M. Mazza et al. (2006) showed that efficacy of G. biloba helping with Alzheimer's Disease was comparable with donepezil (Aricept) a prescription drug.

However, researcher M. van Dongen (2003) found that the, "results do not support the view that G. biloba is beneficial for patients with dementia or age-associated memory impairment."
 
leaf rating system natural remedies plant benefit side effects Increase Coronary Blood Flow

In a randomized placebo-controlled studying involving 80 patients, researchers Wu et al. (2008) showed that G. biloba extract improved the blood flow in the coronary arteries. They showed a significant increase in nitric oxide production, a substance that allows the blood vessels to dilate.

Several other studies also show positive effects in improving coronary blood flow.
 
leaf rating system natural remedies plant benefit side effects Erectile Dysfunction (ED)

One clinical study showed that over half of the men taking this supplement showed improvements in erection.

Click here for a list of other natural remedies can be used to help treat ED.

leaf rating system natural remedies plant benefit side effects Intermittent Claudication / Leg Pain

This herb seems to reduce the pain and increase the distance a person can walk. (Pittler 2005 & 2000, Pokrovskii 2005, Thomson 1990, Bauer 1986).

Pittler (2000) concluded that, "G. biloba extract is superior to placebo [sugar pill] in the symptomatic treatment of intermittent claudication."

Researcher Jacoby (2004) concluded that, "G. biloba, available as an over-the-counter extract, provides symptom relief comparable to pentoxifylline, [a prescription drug]"

As well, researcher Blume (1996) concluded that, 'treatment with G. biloba special extract EGb 761 produces [an]... improvement of the walking performance in trained patients suffering from intermittent claudication."
 
leaf rating system natural remedies plant benefit side effects Raynaud's Phenomenon / Raynaud's Syndrome

Researcher A.H. Muir (2002) showed that G. biloba, "may be effective in reducing the number of Raynaud's attacks per week in patients suffering from Raynaud's disease."
 
leaf rating system natural remedies plant benefit side effects Premenstrual Syndrome (PMS)

Researchers Tamborini (1993) showed that G. biloba, "was effective against the congestive symptoms of PMS, particularly breast symptoms." As well, "neuropsychological symptoms were also improved."
 
leaf rating system natural remedies plant benefit side effects Dyslexia

A study conducted by Donfrancesco (2007) showed that G. biloba can be effective in decreasing dyslexia difficulties.
 
leaf rating system natural remedies plant benefit side effects Elevated Intraocular Pressure (IOP) / Glaucoma

A recent study by Jia (2008) show that this herb significantly lowered steroid-induced intraocular pressure in rabbits.

Researcher Ritch (2005) concluded that G. biloba's, "multiple beneficial actions, including increased ocular blood flow, antioxidant activity, platelet activating factor inhibitory activity, nitric oxide inhibition, and neuroprotective activity, combine to suggest that GBE could prove to be of major therapeutic value in the treatment of glaucoma."
  
leaf rating system natural remedies plant benefit side effects Acute Mountain Sickness / Altitude Sickness

Researchers F.A. Moraga et al. (2007) showed that G. biloba was very helpful in preventing altitude sickness compared to either nothing (placebo) or acetazolamide, a standard prescription medication taken for that purpose.

However, researcher T. Chow (2005) showed that this herb does not work any better than taking a placebo (sugar pill).
 
leaf rating system natural remedies plant benefit side effects Stress Reduction / Blood Pressure Control

In a double-blinded study done by Jezova (2002), taking G. biloba prevented the increase in blood pressure when volunteers were placed under stressful conditions.
 

Tinnitus - Probably Not Effective

Most studies do not support the benefit of using this herb for treating tinnitus. (Rejali 2004, Drew 2001, Holgers 1994)
 

Alzheimer's Disease Prevention - Probably Not Effective

A well-designed clinical study completed in 2008 showed that Ginkgo was not effective in preventing AD in healthy adults over the age of 75. This clinical study was conducted in 5 centers and tracked 3000 volunteer participants over 6.1 years. This is one of the largest study conducted on this herb.

Other studies also show that G. biloba was not helpful in preventing AD. Further studies are being conducted to reveal the benefits of ginkgo biloba for treating this debilitating condition.
 

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Suggested Benefits and Traditional Uses

For a list of all the suggested benefits of ginkgo biloba as well as dosage to use, see our full review on Ginkgo.

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Related Articles and Resources for Benefits of Ginkgo Biloba

Get the FULL Review on the Popular Natural Remedy Ginkgo

Dementia and Alzheimer's Disease - FAQs and Facts




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