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Ginkgo biloba
The largest RCT (GEM, n=3,069) didn't prevent dementia; some European trials saw gains in mild cognitive impairment. Not recommended for prevention.
2/5· Small human trialsEstimated monthly cost: ≈ 12 €
Dose
Not recommended for prevention; as treatment 240 mg EGb 761 with a doctor.
Timing
—
⚠ Cautions
Bleeding risk with anticoagulants; stop 2 weeks before surgery.
What it is
EGb 761 standardised extract; vasoprotective, antiplatelet.
What the evidence shows
GEM (6 years, 120 mg twice daily): no difference in dementia incidence. Cochrane: inconsistent. EGb 761 240 mg RCTs in dementia: small symptomatic gains.
Goals
Brain, memory
Last reviewed: 6 September 2026
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