I understand that Ginkgo Biloba can help with my circulation problem but I would like to know how effective it is to treat Raynaud syndrome?

I have clients that tried Ginkgo for their Raynaud and felt about 50% improvement within about 1 month (that is their evaluation).  It kept on improving at a slower rate after the first month, to reach 75% total improvement within about 3 months.  It is harder to evaluate the efficacy during summer, but it would give you a chance to get better before the return of the cold season.