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Ginkgo Biloba Supplements Tested by ConsumerLab.com

Summary

  • What is ginkgo?

    Ginkgo supplements contain leaf extracts of the Ginkgo biloba tree, but there is concern over the quality of extracts due to reported adulteration. (See What It Is).
  • Do ginkgo supplements work?

    Preliminary evidence suggests that ginkgo may modestly improve limited aspects of memory and cognition in healthy individuals, but stronger evidence indicates no significant benefit from ginkgo in preventing or treating Alzheimer's disease or other dementias. Preliminary evidence suggests ginkgo may be helpful in other conditions such as vertigo, intermittent claudication and Raynaud's disease. (See What It Does).
  • What did CL's tests of ginkgo find?

    Only 4 of the 10 popular ginkgo supplements ConsumerLab.com selected for testing were "Approved" in testing. An additional three products tested through CL's voluntary Quality Certification Program were also "Approved."
  • Problems with ginkgo:

    One product was discovered to contain no more than 3% of its listed amount of ginkgo extract. Several others appear to be have been adulterated ("spiked") with compounds from plants other than ginkgo — a common trick to make low-quality ginkgo appear to be higher in quality. (See What CL Found and use the Results table).
  • Best Ginkgo biloba supplement?

    Among the "Approved" products, ConsumerLab chose its Top Pick based on quality, dosage, and value: The product costs only 9 cents per 120 mg dose, while other "Approved" products cost two to thirty times as much for the same amount of ginkgo extract.
  • What to look for in ginkgo supplements?

    Ginkgo biloba (leaf) extracts used in clinical trials are typically standardized to contain 24% flavonol glycosides and 6% terpene lactones -- look for this on labels (but don't trust it unless it's been tested by a reputable 3rd party). (See ConsumerTips™).
  • Safety and side effects of ginkgo:

    Ginkgo is generally safe but can cause mild side effects. However, people with bleeding disorders, on blood-thinners or diabetes medication, and those trying to conceive should not take ginkgo. For details, see Concerns and Cautions.

Make sure you're choosing the best ginkgo supplements approved in our tests!

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Ginkgo supplement brands compared in this review

View Larger Image 6054_small_6054_small_BulkSupplements-Ginkgo-Small-2017.jpg

BulkSupplement.com Ginkgo Biloba

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Doctor's Best Extra Strength Ginkgo

View Larger Image 6056_small_6056_small_GNC-Ginkgo-Small-2017.jpg

GNC Herbal Plus Ginkgo Biloba 120 mg

View Larger Image 6057_small_6057_small_LifeExtension-Ginkgo-Small-2017.jpg

Life Extension Ginkgo Biloba

View Larger Image 6058_small_6058_small_Metagenics-Ginkgo-Small-2017.jpg

Metagenics GinkgoRose

View Larger Image 6059_small_6059_small_NatureMade-Ginkgo-Small-2017.jpg

Nature Made Ginkgo Biloba

View Larger Image 6060_small_6060_small_NaturesWay-Gingko-Small-2017.jpg

Nature's Way Ginkgold

View Larger Image 6061_small_6061_small_NOW-Ginkgo-Small-2017.jpg

NOW Double Strength Ginkgo Biloba

View Larger Image 6062_small_6062_small_Nutrilite-Ginkgo-Small-2017.jpg

Nutrilite Memory Builder

View Larger Image 6063_small_6063_small_ProCaps-Gingko-Small-2017.jpg

ProCaps Laboratories Andrew Lessman Ginkgo Biloba

View Larger Image 6064_small_6064_small_PureEncapsulations-Ginkgo-Small-2017.jpg

Pure Encapsulations Memory Pro

View Larger Image 6065_small_6065_small_SourceNaturals-Ginkgo-Small-2017.jpg

Source Naturals Ginkgo-24

View Larger Image 6066_small_6066_small_TheVitaminShoppe-Ginkgo-Small-2017.jpg

Vitamin Shoppe Standardized Herbs Ginkgo Biloba Extract

You must be a ConsumerLab.com member to get the full test results along with ConsumerLab.com's Top Picks and ConsumerTips on how to choose and use ginkgo supplements. You'll get results for 13 supplements: 10 selected by ConsumerLab.com and three that passed the same testing in our voluntary Quality Certification Program.


You'll get all of the following information about Ginkgo biloba supplements in this comprehensive review:
  • Which ginkgo supplements passed or failed testing, and which is ConsumerLab.com's Top Pick for best quality, dose, and value
  • How ginkgo supplements compare on quality, ingredients, and cost
  • The clinical evidence for ginkgo: what it can and cannot do for your health
  • What to look for on labels, including amounts of key ginkgo compounds (flavonol glycosides and terpene lactones)
  • Ginkgo dosage for memory, intermittent claudication, Reynaud's syndrome, tension glaucoma, and PMS
  • Concerns, drug interactions, and potential side-effects of ginkgo

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Additional Information
Tested through CL's Quality Certification Program prior to, or after initial posting of this Product Review.