The best replacement for ginkgo is ginseng.

The best alternatives to ginkgo are rated as following:
★★★★★  ginseng
★  gingko
★  ginkgo biloba
★  vinpocetine

Your alternative for ginkgo is not listed? Suggest!
Speaking about ginkgo, one probably shouldn't forget about brahmi.

Other search terms related to ginkgo and their ratings are:
★★★★★ brahmi
You have in mind a companion for ginkgo and it is not yet here? Propose!



Google Trends

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ginkgo
ginseng
gingko