Short answer: Ginkgo biloba is extensively studied but genuinely inconsistent — large dementia-prevention trials were largely disappointing despite its popularity, and it carries a real caution for anyone on blood thinners.
Why Ginkgo's popularity outpaces its evidence
Ginkgo has a long history of traditional use and remains one of the most popular brain-health botanicals — but large, well-designed prevention trials have genuinely not confirmed the dramatic benefits its popularity might suggest.
What "mixed evidence" honestly means here
- Some smaller or shorter-term studies show modest circulation-related benefits
- Larger, longer dementia-prevention trials were largely disappointing
- Genuinely inconsistent results across the body of research, not a clear positive or negative
Why an honest formula still includes it
Rating Ginkgo's evidence as "mixed" rather than omitting it or overselling it reflects an honest middle ground — traditional use and some supportive research exist, without pretending the evidence is as strong as more well-established ingredients.
See Ginkgo's honest rating in Harmo Brain
120mg, rated "mixed evidence" — not overstated.
See the Ingredients