G is for Ginkgo Biloba – how to improve poor circulation

A to Z of vitamins and minerals is a guide by Dr Sarah Brewer who is the Medical Director at wellbeing brand Healthspan and Rob Hobson who is a Registered Nutritionist.

Ginkgo Biloba
 The fan-shaped leaves of Ginkgo biloba.

Ginkgo Biloba isn’t an everyday ingredient in the British diet, but once you understand its properties and how it can help improve circulation to your extremities – and also your brain – you’ll realise why it has been used in natural remedies for thousands of years.

What is it?

Ginkgo supplements are extracted from the  fan-shaped leaves of Ginkgo biloba – one of the oldest surviving tree species, dating back over 270 million years. It is often referred to as a living fossil, and specimens tended by monks in remote parts of China are believed to be several thousand years old.

What does Ginkgo do?

Ginkgo extracts contain unique antioxidants (ginkgolides and bilobalides) that relax blood vessel walls, reduce blood stickiness and increase red blood cell flexibility. Together, these actions improve blood flow to the peripheries, including the brain.

By improving blood flow to the hands and feet, Ginkgo helps to overcome poor circulation, chilblains and Raynaud’s disease.  In people with coronary heart disease, it may also help to increase blood flow through the coronary arteries[i].

By boosting blood flow to the brain, Ginkgo is used to help improve memory, concentration and thought processes.  A growing body of evidence suggests that ginkgo has a protective effect on brain cells (neurones) and can reducing the build-up of amyloid which is associated with some forms of dementia. The results from nine clinical trials, involving over 2,500 people, found that Ginkgo supplements at a dose of 240mg per day were more effective than placebo for improving cognition (ability to think straight). Ginkgo was also able to stabilise or slow the decline in cognition, behaviour and daily function in people with dementia, including Alzheimer’s disease.[ii]  

Beneficial effects on blood flow are also reported in men with erectile dysfunction and in both men and women with low sex drive. In one study, Gingko was 84% effective in treating antidepressant-induced sexual dysfunction – mostly caused by selective serotonin reuptake inhibitors (SSRIs). Ginkgo was found to have a positive effect on desire, excitement (erection and lubrication), orgasm, and resolution (afterglow).[iii]

What can we get it?

Although Ginkgo is classed as a food supplement, it is not widely consumed in a Western diet (I have seen ginkgo nuts as an ingredient in authentic curry). It is mostly obtained in the form of tablet or capsule supplements

How much should I take?

The usual dose is 120 mg to 200 mg equivalent to 6000mg to 10g whole Ginkgo leaves.

Select extracts standardised to provide a known amount of active ingredients (eg flavone glycosides and lactones).

Seek medical advice before taking Ginkgo if you are taking any prescribed drugs, including blood thinning treatments, and antidepressants as interactions can occur.

If you liked G is for Ginkgo Biloba – how to improve poor circulation, you’ll find more in this series of vitamin and mineral guides on our Nutrition channel.


[i] http://www.ncbi.nlm.nih.gov/pubmed/18446847

[ii] http://www.ncbi.nlm.nih.gov/pubmed/25114079

[iii] https://pubmed.ncbi.nlm.nih.gov/9611693/

Tags: , , , Last modified: February 7, 2022

Written by 11:41 am Nutrition, Health • One Comment

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