According to the sources provided, it is recommended to wait at least two hours between taking Advil (ibuprofen) and Ginkgo Biloba.

Advil is a nonsteroidal anti-inflammatory drug (NSAID) that is commonly used to relieve pain, inflammation, and fever [1]. It is important to note that ibuprofen can interact with other medications and supplements, including Ginkgo Biloba.

Ginkgo Biloba is a herbal supplement that is used to improve cognitive function and circulation [3]. The NHS website states that taking Ginkgo Biloba with ibuprofen can increase the risk of bleeding [2].

The Mayo Clinic also warns that Ginkgo Biloba can interact with other medications, including blood thinners, and increase the risk of bleeding [3].

Therefore, it is recommended to wait at least two hours between taking Advil and Ginkgo Biloba to reduce the risk of bleeding. It is also important to consult with a healthcare provider before taking any new medications or supplements, including herbal supplements like Ginkgo Biloba.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.nhs.uk/medicines/ibuprofen-for-adults/taking-ibuprofen-with-other-medicines-and-herbal-supplements/
[3] https://www.mayoclinic.org/drugs-supplements-ginkgo/art-20362032