ginkgo improves cognitive and behavioural symptoms of Alzheimer's and dementia

The other day, we wrote about bacopa, one of the most exciting new supplements for memory and Alzheimer’s. But the best, and best researched, herb for memory and Alzheimer’s is still Ginkgo biloba.

Researchers undertook a systematic review and meta-analysis that included nine double-blind, placebo-controlled studies on ginkgo and cognitive impairment or dementia. The nine studies included 2,561 people, all of whom had Alzheimer’s or dementia.

Cognition scores were significantly better for 160mg a day and 240mg a day of ginkgo compared to a placebo. The 240mg a day dose was also associated with significantly better improvement in neuropsychiatric symptoms than placebo.

Seven of the studies also evaluated the effect of ginkgo on activities of daily living. The improvement was significantly greater with 240mg a day of ginkgo than it was with a placebo. Again, 240mg of ginkgo a day was significantly better for neuropsychiatric symptoms.

On global assessments of symptoms and improvement (Clinical Global Impression (CGI) and Clinical Global Impression of Change (CGIC) scales), 240mg of ginkgo a day brought about significantly greater improvement than placebo. And, again, the improvement was also significantly better for neuropsychiatric symptoms.

As a bonus, taking ginkgo was also associated with significantly less dizziness, tinnitus, headaches and angina: results that are not surprising when you look at all the research on this most valuable and versatile herb.

Consistent with tons of prior research, this systematic review shows that 240mg of Ginkgo biloba a day, taken for 22-26 weeks, effectively stabilizes or slows down cognitive decline in people with dementia or cognitive impairment.

Also consistent with earlier research, the ginkgo was shown to benefit function, behaviour and other neuropsychiatric symptoms that accompany dementia and Alzheimer’s.




J Alzheimers Dis 2015;43(2):589-603


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For much more on preventing and treating Alzheimer's disease naturally and on Ginkgo biloba, see our book The Family Naturopathic Encyclopedia.


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 is intended for educational purposes only and is in no way intended for self-diagnosis or self-treatment. For health problems, consult a qualified health practitioner for a comprehensive program.

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