Take dried herb, as 2-4 grams three times per day, . The tincture is typically taken in 2-6 ml doses three times per day.
Eyebright tea made with 1 tablespoon of the dried herb combined with 0.5 liter of water and boiled for ten minutes can be drunk in the amount of two to three cups per day.
Take 120-160 mg of its extract, standardized to contain 6% terpene lactones and 24% flavone glycosides, two to three times per day.
Ginkgo may also be taken as a tincture of 0.5 ml three times daily
