The standardized grade of Ginkgo Biloba Extract is 24 percent flavone glycosides, and 6 percent terpenes or ginkgolides.
As a rule, 40 mg tablets are most popular. The following daily dosages are commonly used:
- Early memory loss and signs of impaired mental cognition: 40 mgs, 2-3 times per day
- General prevention of vascular insufficiency and brain function: after 40 to 50 years of age – 40 mg, once per day
- Peripheral artery disease: 40 mg, 3-4 times per day
- Prevention of altitude sickness: 40 mg, 4 times per day
- PMS: 80 mg, twice per day
- Macular degeneration: 40 mg, 3 –4 times per day
- Vertigo (of non-organic origin): 160 mg, twice per day